Micro Xerox / Mini Print
Multi-Sheets per Page · N-Up Imposition
or drop PDF, Word, or Bulk Images (JPG, PNG, WebP) here
100% In-Browser & Privatedocument.pdf
30 Pages • Original formatting locked
Enter page numbers or ranges separated by commas (e.g. 1-20, 25, 40-48)
Automatically chooses layout with zero or least blanks when document is uploaded
Arranges pages sequentially so printing duplex and folding along the center line produces a bound booklet with pages in exact reading order.
Preview updates automatically with your chosen grid, borders, and margins. Download and print controls are located directly beneath the live preview sheet.
Rendering Imposed Layout...
Original: 5 pages → Now: 2 sheets
Precision Mini-Print Layout Without Quality Degradation
Imposing multiple document pages onto a single sheet involves calculating precise spatial coordinate matrices and page aspect ratios. When scaling multi-page PDFs down for student pocket study notes, clinical quick-references, or workshop handouts, maintaining crisp font vectors and accurate millimetric margins is essential.
NiKopy uses native vector transformation matrices rather than downsampling to low-resolution bitmap rasters. Font outlines, equations, and diagrams remain razor-sharp even at 8-up or 16-up density. All calculations execute directly in your web browser with 100% privacy and zero server uploads.
KEY CAPABILITIES OF THE MINI-PRINT ENGINE
How to Create Mini-Print in 4 Simple Steps
Simple, client-side workflow that takes only seconds to complete.
Upload Your Document
Drag and drop your PDF, Word DOCX, or batch photos onto the canvas area or click to browse files.
Choose N-Up Grid Density
Select 4-Up (2×2) for slides, 8-Up (4×2) for syllabus notes, or 16-Up (4×4) for pocket pocket study notes.
Verify Margins & Lines
Enable dashed scissor guidelines and adjust binding gutter millimeters to protect text from stapling.
Process and Save
Click "Download Mini-Print PDF" or print immediately at 100% scale with zero quality loss.
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Frequently Asked Questions About Mini-Print & N-Up Imposition – Fast, Free & High Quality
Clear answers regarding specifications, file constraints, and browser privacy.
Does mini-print imposition make font text blurry or unreadable?
What is the difference between 2-up, 3-up, 4-up, 6-up, 8-up, and 16-up layouts?
Can I convert photos and camera phone scans into mini-prints?
How should I set my printer for mini-print sheets?
Is there a limit on how many pages I can process?
Lock PDF with Password
Protect confidential PDFs with standard 128-bit encryption. 100% private in-browser.
or drop PDF here
100% In-Browser & Privatedocument.pdf
1.2 MB
Required whenever anyone opens the PDF.
Restricts editing or removing the password.
locked_document.pdf
Ready & password protected
Precision PDF Encryption Without Third-Party Cloud Exposure
PDF encryption scrambles the internal document object hierarchy and stream dictionaries using cryptographic ciphers so that anyone opening the file must provide the authorized user password. An optional owner permissions password prevents unauthorized printing, copying of text, or modifying pages.
Unlike web tools that force you to upload private contracts, financial balance sheets, and tax filings to remote cloud servers, NiKopy executes 100% locally in your web browser using WebAssembly. Your files never touch a remote network socket.
KEY CAPABILITIES OF PDF LOCK & ENCRYPTION
How to Password Protect a PDF in 4 Simple Steps
Simple, client-side workflow that takes only seconds to complete.
Upload PDF Document
Drag and drop your file into the zone or click "Use Loaded Document" if you were imposing earlier.
Specify Open Password
Enter the secret password that recipients must enter to decrypt and view document pages.
Set Permissions (Optional)
Define an owner password to block printing, prevent highlighting/copying, and lock form edits.
Encrypt and Download
Click Encrypt & Download. The file is encrypted in milliseconds and ready for safe distribution.
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Frequently Asked Questions About Protect & Lock PDF – Fast, Free & High Quality
Clear answers regarding specifications, file constraints, and browser privacy.
Is my document truly private and safe from server interception?
What is the difference between an Open Password and an Owner Password?
Can an encrypted PDF be recovered if I forget the password?
Will this encrypted PDF open on phones and standard software?
Merge PDF Files Online
Combine multiple PDF documents into one single file in your desired sequence.
or drop multiple PDF files here
100% In-Browser & Privatemerged_document.pdf
42 pages combined
Precision PDF Merging With Zero Quality Degradation
PDF merging binds multiple independent documents into one seamless, unified publication. NiKopy reconstructs the cross-reference tables, preserves embedded font vectors, and synchronizes document outlines without compressing text or rasterizing pages into blurry bitmaps.
Unlike online web utilities that bottleneck your workflow with upload wait times and privacy risks, NiKopy stitches your documents locally within your browser. Combine invoices, chapters, resumes, or portfolios in milliseconds with complete confidence.
KEY CAPABILITIES OF PDF MERGING
How to Merge PDF Files in 4 Simple Steps
Fast, browser-based workflow that requires no registration or software installation.
Upload PDF Files
Drag and drop two or more PDF documents into the drop zone or choose files from your device.
Arrange Order
Use the Up and Down arrow buttons to arrange documents in the exact order you want them combined.
Click Merge PDFs
Press "Merge All PDFs". The client-side assembler stitches objects and pages in milliseconds.
Download Merged PDF
Save your newly unified document immediately with original vector resolution and hyperlinks intact.
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Frequently Asked Questions About Merge PDF – Fast, Free & High Quality
Clear answers regarding specifications, file constraints, and browser privacy.
Can I merge PDFs with different page sizes and orientations?
Is there a limit on file sizes or page numbers when merging?
Are bookmarks, hyperlinks, and vector sharpness retained?
Can I rearrange specific pages inside a document?
Split PDF Online by Page Number
Extract custom page ranges (e.g. 1-5, 8), split into 1-page files, or split in intervals.
or drop PDF here
100% In-Browser & Privatedocument.pdf
24 total pages
Separate page numbers and ranges with commas (e.g. 1-5, 8, 11-14 or All).
Precision PDF Splitting With Complete Content Integrity
PDF splitting extracts specific pages from a master document and creates new, standalone ISO-compliant PDF documents containing only the selected chapters, sheets, or schedules. NiKopy preserves font embeds, vector paths, and media resolution with 100% exact fidelity.
Operating entirely in your browser using local WebAssembly, you can split massive 200+ page eBooks, financial statements, and contracts without waiting for server uploads or risking confidential business data.
KEY CAPABILITIES OF PDF SPLITTING
1-5, 8, 12-20 with automatic parsing.
How to Split a PDF in 4 Simple Steps
Rapid, browser-native page separation with zero uploads or installations.
Upload PDF File
Drag and drop your document or click "Use Loaded Document" to inspect page counts instantly.
Select Splitting Mode
Choose Custom Ranges, Extract All Pages, or Interval splitting according to your goal.
Configure Page Numbers
Type the exact page numbers or interval sizes you wish to isolate (e.g. 1-4, 7).
Download Extracted Files
Download the isolated PDF or download an organized ZIP archive of all individual pages.
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Frequently Asked Questions About Split PDF – Fast, Free & High Quality
Clear answers regarding specifications, file constraints, and browser privacy.
How do I specify custom page ranges to extract?
1-4, 7, 10-15. You can also reverse or cherry-pick specific pages, and NiKopy will assemble them losslessly into your new PDF.
Does splitting reduce visual quality or alter font rendering?
What does "Extract Every Single Page" do?
Can I split large documents with 300+ pages?
Compress PDF Without Losing Quality
Shrink oversized PDF files with clean binary stream packing and visually lossless retina graphics.
or drop PDF here
100% In-Browser & Privatedocument.pdf
8.4 MB original
Precision PDF Compression With Razor-Sharp Vector Clarity
NiKopy reduces oversized megabyte PDF documents down to lightweight files suitable for email attachments, university submissions, job portals, and online forms. Modern binary stream deflating repacks uncompressed object descriptors, merges duplicate font maps, and resamples bloated photos.
Unlike cloud compression services that downsample text into blurry JPEG artifacts, NiKopy leaves typography and line geometries completely intact as vector commands, running 100% locally in your browser with absolute confidentiality.
KEY CAPABILITIES OF PDF COMPRESSION
How to Compress a PDF in 4 Simple Steps
Instantaneous optimization to beat strict portal size restrictions.
Upload PDF File
Drop your heavy PDF into the drop zone or choose from your device or active workspace.
Select Preset
Choose Smart Balanced (recommended), 100% Lossless, or Email Compact.
Click Compress
Press "Compress PDF". Watch the instant byte savings counter calculate the reduction.
Download Compressed PDF
Save your lightweight document immediately, fully compliant with email attachment caps.
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Frequently Asked Questions About Compress PDF – Fast, Free & High Quality
Clear answers regarding specifications, file constraints, and browser privacy.
How does NiKopy compress PDFs without blurring text?
What is the difference between Smart Balanced and 100% Lossless?
Why did my PDF only shrink by a small percentage?
Are my compressed PDFs stored or scanned anywhere?
PDF to Word Converter
100% In-BrowserConvert any PDF document to an editable Microsoft Word document (.docx). Extracts structured text, headings, and formatting without uploading anything to the cloud.
or drop PDF here
100% In-Browser & Privatedocument.pdf
Ready to convert
Converting PDF to WORD...
Please wait while your document is being converted...
PDF has been converted to an editable WORD document!
Your download started automatically.
Client-Side PDF to Word Conversion With True Editable Layouts
Turn non-editable PDF documents, reports, CVs, and essays into fully editable Microsoft Word .docx files with clean paragraph flow and typography preservation. NiKopy analyzes glyph sequences, word groupings, and font weights directly inside your browser tab.
No registration, no waiting in email queues, and no limits. Your legal briefs, salary slips, and academic theses stay 100% private on your machine without being harvested by online cloud converter databases.
KEY CAPABILITIES OF PDF TO WORD
How to Convert PDF to Word in 4 Simple Steps
Effortless transformation into editable office documents.
Upload PDF File
Drag your PDF into the upload area or click to select from your file manager.
Verify Details
Check document name and size. Select preferred formatting options if available.
Click Convert to Word
Our in-browser parser parses paragraphs, tables, and styles into OpenXML structure.
Download .DOCX File
Save your editable Word document and start editing immediately in Word or Google Docs.
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Frequently Asked Questions About PDF to Word Converter
Clear answers regarding specifications, file constraints, and browser privacy.
Will the converted file be fully editable in Microsoft Word?
.docx archive containing standard paragraph blocks, text runs, and font styling that you can freely edit, reformat, and restyle in Microsoft Word, Google Docs, Apple Pages, and LibreOffice.
Does it work on scanned documents and photographs of pages?
Do I need to sign up or provide an email address?
Are my confidential PDF contents saved or transmitted?
Image to PDF
100% In-BrowserConvert JPG, PNG, WEBP, and GIF photos into a single, beautifully organized PDF document. Fast, private, and customizable.
or drop images (JPG, PNG, WebP) here
100% In-Browser & PrivateBatch Image to PDF Conversion With True Retina Quality
Batch convert smartphone camera photos, scanned receipts, artwork, and diagrams into a clean, unified PDF with customizable margins, orientation, and paper sizes. NiKopy preserves original photo resolution and color spaces without compression artifacts.
Supports single or multiple images simultaneously, automatic landscape vs. portrait orientation, configurable border margins, and standard paper formats (A4, US Letter, Fit to Image) running completely private in your browser.
KEY CAPABILITIES OF IMAGE TO PDF
How to Convert Images to PDF in 4 Simple Steps
Combine photographs and graphic assets into a neat document.
Upload Images
Select one or multiple JPG, PNG, WEBP, or GIF photos from your gallery or computer.
Reorder & Configure
Reorder page sequence. Select page size (A4, Letter, Fit) and margin thickness.
Click Convert to PDF
High-resolution raster streams are formatted instantly into standard PDF pages.
Download Unified PDF
Download your multi-image compilation PDF ready for submission, printing, or sharing.
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Frequently Asked Questions About Image to PDF Converter
Clear answers regarding specifications, file constraints, and browser privacy.
Does converting images to PDF reduce their sharpness or resolution?
What happens if some photos are portrait and others are landscape?
What image formats are supported?
Can I print the created PDF directly?
Word to PDF Converter
100% In-BrowserConvert Microsoft Word documents (.docx) directly into clean PDF documents locally in your browser.
or drop WORD documents here
100% In-Browser & Privatedocument.docx
Ready to convert
Converting WORD to PDF...
Please wait while your document is being converted...
WORD file has been converted to PDF!
Your PDF is ready for download.
Client-Side Word to PDF Conversion With Locked Layouts
Transform Microsoft Word files (.docx) into universal, print-ready PDF documents without altering font layout, line spacing, or formatting. Converting Word to PDF freezes layout and typography into an ISO-standard format readable anywhere.
NiKopy unzips DOCX XML trees and renders them into vector PDF containers entirely inside your browser. Your private manuscripts, business plans, and invoices are never sent to remote servers.
KEY CAPABILITIES OF WORD TO PDF
How to Convert Word to PDF in 4 Simple Steps
Publish your Word files into immutable PDF documents.
Upload .DOCX
Drag your Microsoft Word .docx file into the drop box or click to select from storage.
Check Document
Verify the document file name and size before starting the vector layout compilation.
Click Convert
The engine parses XML text nodes, table rows, and typography rules into PDF pages.
Download PDF
Save your generated PDF file, perfectly formatted and ready to distribute safely.
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Frequently Asked Questions About Word to PDF Converter
Clear answers regarding specifications, file constraints, and browser privacy.
Will my fonts and line breaks look the same in the PDF?
Does Word to PDF require Microsoft Word to be installed?
Are legacy .doc (Word 97-2003) files supported?
.docx format (standard since Microsoft Word 2007). If you have an older binary .doc file, simply open and re-save it as .docx in any modern editor before converting.
Are my converted Word files secure and private?
PDF Page Organizer
Reorder · Rotate · Delete · Add Pages
or drop PDF here
100% In-Browser & Privatedocument.pdf
0 pages
Visual Thumbnail Grid for Instant Page Rearrangement
When scanning physical documents or compiling research, pages often get scanned upside down, rotated sideways, or fed out of order. NiKopy gives you a visual interactive thumbnail grid to inspect every page and fix sequence or orientation without re-scanning.
Quickly perform Rotate All 90°, Rotate All 180°, or Reverse Order (ideal for back-to-front scans). Individual pages can also be rotated independently or discarded with one click.
KEY CAPABILITIES OF PAGE ORGANIZER
/Rotate flag losslessly without rasterizing or degrading text.
How to Organize & Rotate PDF Pages in 4 Simple Steps
Reorder, rotate, and eliminate unwanted sheets in a snap.
Upload PDF
Drag your document into the drop zone. High-fidelity thumbnail cards render for every page in seconds.
Drag & Rearrange
Use directional arrow buttons or drag thumbnails to swap and re-order sheets into their rightful place.
Rotate & Delete
Click rotate buttons on sideways pages, or discard redundant blank separator sheets with a single click.
Download PDF
Click "Download Reordered PDF" to assemble your updated sequence into an optimized PDF ready to share.
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Frequently Asked Questions About PDF Page Organizer
Clear answers regarding specifications, file constraints, and browser privacy.
Does rotating a page change the underlying PDF quality?
/Rotate 90). NiKopy adjusts this rotation flag without re-rendering or altering any vector text, shapes, or high-res photos.
Can I rotate only one page while leaving the rest untouched?
What does the "Reverse Order" button do?
Can I restore a deleted page before downloading?
Watermark & Page Numbering
Live Vector PreviewStamp custom text watermarks ("CONFIDENTIAL", "DRAFT") and dynamic page numbering with customizable angle, opacity, and positioning.
Click to choose or drag & drop a PDF file
Instant client-side stamping with live preview
document.pdf
0 pages
Add Custom Text Watermarks and Dynamic Page Numbering
Watermarking inserts semi-transparent vector text over or under document content to assert intellectual property rights or document confidentiality. Bates and page numbering ensure index integrity across court exhibits and academic manuscripts.
NiKopy features a dual-pane live canvas that renders font size, diagonal rotation (-45°, 0°, +45°), opacity (10% to 80%), and position dynamically so there is zero guesswork.
KEY CAPABILITIES OF WATERMARK & NUMBERING
2-.
How to Watermark & Number PDF in 4 Simple Steps
Brand and catalog your files with permanent vector stamps.
Upload PDF
Drag your document into the drop zone. The preview canvas loads page 1 immediately.
Set Text & Angle
Type custom text or choose presets like "CONFIDENTIAL", dialing opacity and angle.
Configure Numbers
Enable header/footer page numbers and pick numbering formats and target pages.
Download Stamped
Export your finalized watermarked PDF file with all stamps permanently rendered.
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Frequently Asked Questions About PDF Watermarking & Numbering
Clear answers regarding specifications, file constraints, and browser privacy.
Will the watermark obscure or hide my document's text?
Can I add page numbers without adding a watermark?
Can I skip watermarking or numbering the cover page?
2- or 2-10 instead of All. NiKopy will leave the title or cover page completely pristine and begin stamping from page 2 onwards.
Does watermarking increase file size significantly?
Metadata Cleaner & Privacy Sanitizer
ConfidentialityInspect hidden author names, software tool fingerprints, editing timestamps, and wipe all identifying traces with 1 click.
Click to choose or drag & drop a PDF file
Audits hidden tracking metadata locally • Zero server uploads
Metadata Identifiers Detected
This document contains embedded author information, creator software fingerprints, and creation timestamps.
Inspect and Wipe Tracking Identifiers Before Sharing Documents
Every PDF created in Word, Adobe Acrobat, or Canva embeds hidden information tags: user account name, operating system, exact creation date, software serial, and internal file path. Anyone opening File Properties can view your identity.
NiKopy completely flushes the Document Information Dictionary (Info dict) and XMP metadata streams, replacing them with clean empty blocks so no personal identification leaks.
KEY CAPABILITIES OF METADATA CLEANER
How to Sanitize PDF Metadata in 4 Simple Steps
Wipe private tracking fingerprints from any PDF file.
Upload PDF
Drag your document into the drop zone for instant in-browser metadata extraction.
Review Audit
Examine the audit table showing creator usernames, software tools, and timestamps.
Choose Strategy
Select 1-Click Scrub Everything or assign a generic anonymous title.
Download Clean
Export your sanitized PDF file with zero identifying metadata traces.
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Frequently Asked Questions About PDF Metadata Sanitization
Clear answers regarding specifications, file constraints, and browser privacy.
What specific metadata fields does NiKopy remove?
/Title, /Author, /Subject, /Keywords, /Creator, /Producer, /CreationDate, /ModDate) as well as embedded Extensible Metadata Platform (XMP) XML streams.
Does clearing metadata affect visible page content or formatting?
Can recipient software recover the original author name?
Is my PDF uploaded to any third-party privacy service?
Poster Tiler (Multi-Sheet Imposition)
Large Format PrintEnlarge and divide large posters, engineering schematics, charts, and artwork across standard printer paper with overlap glue margins and cut lines.
Click to upload or drag and drop
Select a photo (JPG, PNG), artwork, or PDF poster to tile
Dashed lines show sheet boundaries & cut lines
Single Standard Photo
Too small to display across a room, event booth, or living room wall.
Precision Sliced Grid
Calculated overlap tabs (5-20mm) and alignment markers eliminate white gaps.
Massive Wall Mural
Tape sheets on reverse side. Hang anywhere with stunning gallery impact!
1. Print all sheets at 100% ("Actual Size", no scaling) on your standard desktop printer.
2. Trim the white margins on the right/bottom along the dashed cut guidelines.
3. Apply glue or double-sided tape along the shaded overlap tabs and press together.
Print Huge Posters on Multiple A4 or US Letter Pages
Instead of paying commercial print shops hundreds of dollars for large-format plotters, NiKopy slices your large graphic into a grid of standard A4 or Letter sheets (2×2, 3×3, 4×4) with calibrated glue tabs and alignment coordinates (e.g., [Row 1, Col 2]).
Configurable 5mm to 20mm overlap seams ensure you don't lose a single pixel when gluing adjacent sheets together. Cut marks show exactly where scissors or rotary cutters should slice.
KEY CAPABILITIES OF POSTER TILER
How to Tile a Poster in 4 Simple Steps
Enlarge graphics across standard office paper sheets.
Upload Graphic
Upload your high-res PDF image or diagram to render in the interactive canvas.
Select Grid Matrix
Choose 2×2, 3×3, 4×4 sheets, or set custom row and column configurations.
Configure Overlap
Set 10mm overlap glue tabs and enable cut guides and coordinate markings.
Print & Assemble
Print pages at 100% scale, slice margins along cut lines, and glue together.
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Frequently Asked Questions About Poster Tiling
Clear answers regarding specifications, file constraints, and browser privacy.
How do glue overlap tabs prevent gaps between sheets?
How large is a 2×2 or 3×3 tiled poster when assembled?
How do I know which page goes where during assembly?
[Row 1, Col 2]) in the trimming margin of every sheet so assembly is foolproof.
Does the poster quality degrade when enlarged?
8-Page Mini Zine Generator
1-Sheet Origami BookletImpose an 8-page document onto a single sheet with inverted top rows and center slit line. Fold into an instant 8-page pocket booklet without any glue or staples!
Click to upload or drag and drop
Upload an 8-page PDF document, artwork, or photos
- Fold the sheet in half lengthwise (hot dog fold).
- Fold the sheet in half widthwise, then fold in half again to make 8 equal creases.
- Cut along the red dashed center slit line (only across the middle 2 panels).
- Push the outer ends together so the center opens into a plus sign (+), then fold flat into an 8-page book with Page 1 on front!
Top row inverted 180° for folding • Scissors mark center slit
8 Panels on 1 Sheet
Top row is automatically inverted 180° so pages align upright when folded.
1 Snip & Origami Push
Fold in half, snip center slit, push the two ends inward into a 4-point cross.
8-Page Pocket Zine
Cover on front, back on rear, 6 interior pages ready to read. Zero binding required!
8-Page Mini Zine Generator: 1-Sheet DIY Foldable Booklet
A classic indie DIY publishing format: by printing 8 miniature pages on one side of a single piece of paper, making one slit cut with scissors in the center, and folding, you create a complete 8-page pocket booklet without any staples, bindings, or glue.
Proper zine folding requires pages 1, 8, 7, and 6 along the top row to be inverted 180° upside-down so they read upright once folded. NiKopy calculates this imposition rotation automatically.
KEY CAPABILITIES OF MINI ZINE GENERATOR
How to Make a Mini Zine in 4 Simple Steps
Create folded pocket booklets from a single piece of standard paper.
Upload 8 Pages
Upload an 8-page PDF document (Page 1 = Front Cover, Page 8 = Back Cover).
Select Paper Format
Choose ISO A4 or ANSI Letter paper and configure optional border guides.
Print Single-Sided
Download your 1-sheet imposed PDF and print at 100% scale on standard office paper.
Cut & Fold
Make the single center cut with scissors and fold into an origami pocket booklet!
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Frequently Asked Questions About Mini Zines
Clear answers regarding folding mechanics, cut positions, and page ordering.
Why are some pages inverted upside-down on the sheet?
Where exactly do I cut the slit?
Can I make a zine from a document with fewer than 8 pages?
Does the zine require double-sided printing?
PDF to Image
Lossless In-Browser RasterizerConvert PDF pages into ultra-sharp 150 or 300 DPI PNG or JPEG image files and package them into a downloadable ZIP archive locally on your machine.
or drop PDF here
100% In-Browser & PrivateConvert PDF Pages to High-Resolution PNG & JPEG Images
When inserting PDF pages into slide decks, social media carousels, web articles, or portfolios, standard standalone image files are essential. NiKopy transforms every page of your PDF into crisp 150 DPI or 300 DPI graphics packaged in an organized ZIP archive.
Choose lossless PNG for razor-sharp vector text and line diagrams, or optimized JPEG for photography and smaller file footprints. All rendering runs 100% client-side in your browser for total privacy.
KEY CAPABILITIES OF PDF TO IMAGES
How to Convert PDF to Images in 4 Simple Steps
Render vector pages into standalone images in seconds.
Upload PDF
Drag and drop your PDF file or load from your active NiKopy document.
Choose Format & DPI
Pick PNG or JPEG format, and choose standard 150 DPI or 300 DPI high resolution.
Set Page Range
Convert all pages or specify page numbers like 1-5, 8 to target key slides.
Download ZIP Archive
Download your neatly packaged ZIP folder containing all extracted image files.
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Frequently Asked Questions About PDF to Images
Clear answers regarding formats, resolution standards, and privacy.
Should I choose PNG or JPEG for extracting pages?
What is the difference between 150 DPI and 300 DPI?
Can I export specific pages rather than the whole PDF?
1, 3, 5-8, and only those pages will be rendered and included in the ZIP.
Are my pages uploaded to any cloud server to create the ZIP?
Grayscale & Toner Ink-Saver
Eco Ink OptimizationCut expensive printer toner usage by up to 40% with smart draft lightening, clean monochrome black-and-white, and smooth grayscale filters.
or drop PDF here
100% In-Browser & PrivateCompare original color document with optimized output
Using Grayscale mode stops color ink consumption on monochrome or office laser printers that draw CMYK composite black. Eco-Draft mode additionally lightens solid fills for study outlines, class notes, and draft proofing.
Grayscale & Eco-Draft Ink Saver: Cut Toner Costs Up to 40%
Printing saturated lecture presentations, colored textbooks, and heavily styled PDFs burns through expensive color and black toner cartridges rapidly. Furthermore, many inkjet printers mix expensive cyan, magenta, and yellow ink to simulate dark grey tones.
NiKopy's Grayscale & Toner Ink-Saver strips unnecessary color channels and applies smart luminance lightening. Solid backgrounds, dark banners, and colored graphics are optimized into light, readable shades that preserve cartridge life while keeping text 100% crisp.
KEY CAPABILITIES OF TONER INK-SAVER
How to Save Printer Toner in 4 Simple Steps
Convert color slide decks to eco-friendly monochrome prints in seconds.
Upload Heavy Color PDF
Drag and drop lecture slides, dark PDFs, or active NiKopy documents.
Choose Toner Mode
Select Eco-Draft, Standard Grayscale, or High-Contrast Pure B&W.
Tune Lightening Level
Slide from 10% to 50% lightening and verify the live side-by-side preview.
Download & Print
Download your toner-saving PDF or print directly at 100% scale.
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Frequently Asked Questions About Toner & Ink Saving
Clear answers regarding toner economy, draft modes, and privacy.
How does Eco-Draft mode save up to 40% ink?
What is "composite black" and why does it drain color ink?
When should I use High-Contrast B&W instead of Grayscale?
Can I adjust the lightening strength before downloading?
Bro, are u sure?
Unsaved file in progress
You are in the middle of working with files in this tool. If you switch to another tool or leave now, your uploaded files and current settings will be reset.
Page Inspector
Original High-Resolution Vector Rendering
NiKopy Studio Center
Documentation, Privacy, Legal & Contact
Frequently Asked Questions
Everything you need to know about NiKopy's client-side PDF tools.
Are my files ever uploaded to a remote server?
Never. NiKopy runs 100% inside your local web browser using WebAssembly and pure client-side JavaScript. Your files, documents, passwords, and photos never leave your device.
What is Mini-Print Imposition (N-Up)?
Imposition arranges multiple original pages (2, 4, 8, or 16 pages) onto each single sheet of standard paper (A4, Letter, A3, etc.). This cuts paper usage by up to 87.5% and is ideal for mini-prints, pocket study notes, pocket notes, study guides, and bound booklets.
How does Lock PDF protect my files?
Lock PDF applies standard 128-bit AES password encryption compatible with all major PDF readers (Adobe Acrobat, Chrome, Preview). You can configure a user password (required to open) and an owner password (restricts editing and copying).
Can I reorder files when merging PDFs?
Yes! In the Merge PDFs tool, simply use the ↑ and ↓ buttons to arrange the files in your preferred sequence before clicking "Merge Files".
What is the difference between Lossless and Smart Balanced compression?
Lossless Stream Packing strips orphaned metadata, re-compresses text streams, and removes duplicate font descriptors with 0% image degradation. Smart Balanced additionally optimizes bulky scanned pictures to 160 DPI retina quality for smaller email attachments.
Privacy Policy
Effective Date: January 1, 2026
1. Zero-Server Architecture
NiKopy operates strictly as a local, client-side web application. When you select, drag, or process documents, images, or passwords, all mathematical transforms, imposition calculations, encryption routines, and file concatenations occur solely in your computer's memory (RAM) via browser JavaScript and WebAssembly.
2. No Data Collection or Storage
We do not operate backend file intake servers, and we never transmit your document content, metadata, file names, or passwords across the internet. There is no user account registration, database logging, or remote caching.
3. Local Browser Storage
NiKopy utilizes standard browser localStorage exclusively to preserve your chosen visual theme preference (Light or Dark Mode). No personal identifiers or document contents are stored.
4. Third-Party Trackers
NiKopy does not utilize commercial advertising cookies, cross-site trackers, or behavioral profiling services. Your document workspace remains entirely confidential and unmonitored.
Terms of Use
Rules and conditions for utilizing NiKopy Studio.
1. Acceptance of Terms
By accessing or utilizing NiKopy Studio, you agree to comply with and be bound by these Terms of Use. If you disagree with any portion of these terms, please discontinue use of the service.
2. Document Ownership & License
You retain 100% ownership and copyright of all documents, images, and texts processed through the application. NiKopy claims zero intellectual property rights or licensing over your files.
3. Permitted Usage
You may use NiKopy for personal, educational, non-profit, or commercial printing purposes free of charge. You agree not to reverse engineer, disrupt, or launch automated abusive requests against the hosting infrastructure.
4. Disclaimer of Warranties
NiKopy is provided on an "AS IS" and "AS AVAILABLE" basis without warranties of any kind, whether express or implied. While we strive for extreme mathematical precision in sheet imposition, you are advised to verify print previews prior to high-volume commercial print runs.
Legal Use & Copyright Notice
Guidelines for lawful and compliant document handling.
1. Copyright & Intellectual Property
Users are solely responsible for ensuring they possess lawful authorization, ownership, or fair-use exemptions for all materials, publications, books, or images processed through NiKopy. Do not reproduce, impose, or distribute copyrighted materials without express permission from the copyright holder.
2. Cryptographic Export Compliance
The PDF locking tool implements standard AES password encryption algorithms. Users must comply with applicable regional and international encryption export and import regulations.
3. Lawful Purpose
You agree not to use NiKopy for any unlawful, deceptive, or defamatory purposes, including but not limited to forging official legal notices, removing authorized digital rights management seals without permission, or producing misleading documents.
Contact & Support
Have questions, feedback, or a print shop inquiry? Reach out to our team.
About NiKopy PDF Studio
Crafted for privacy, precision, and zero-compromise speed.
NiKopy was engineered to solve a common, frustrating hurdle: professionals, students, and educators needed powerful imposition tools to print pocket summaries, mini-print notes, pocket study notes, study booklets, and multi-page handouts, but existing online tools require uploading private documents to untrusted cloud servers.
By combining client-side WebAssembly, high-precision vector transformation mathematics, and modern web standards, NiKopy performs document imposition, password encryption, merging, splitting, and compression entirely inside your local browser.
Our Core Principles:
- Zero Data Exfiltration: Zero server uploads. Absolute privacy.
- Precision Geometry: Accurate millimetric margins, binding gutters, and fold lines.
- Instant Productivity: No logins, paywalls, or artificial limits.
- Universal Accessibility: Crafted for creators, students, and professionals worldwide.