Zero Cloud Footprint
Documents are processed entirely in browser memory. No third-party AI models or servers ever inspect your confidential files.
Edit, convert, compress, and organize documents directly on your device. No server uploads, no accounts, no watermarks, and no artificial daily quotas.
No platform-imposed size limit. Practical limits depend on your device and browser memory.
Full Local Toolbox
Combine PDF files in the exact order you choose.
ReadySeparate pages into clean, individual PDF files.
ReadyMake a new PDF from only the pages you need.
ReadyTurn every page left, right, or upside down.
ReadyDelete unwanted pages with clear range controls.
ReadyDrag page thumbnails into the exact order you need.
ReadyTurn JPG and PNG images into one tidy PDF.
ReadyMake a PDF from one or more JPG images.
ReadyPreserve PNG clarity inside a shareable PDF.
ReadyChoose a visual quality level and compare the result.
ReadyAdd clear text across every page of a PDF.
ReadyNumber pages neatly for a finished document.
ReadySelect pages and export crisp JPG images.
ReadySelect pages and export lossless PNG images.
ReadyPreview, copy, and download selectable PDF text.
ReadyDraw, type, or upload a signature and place it visually.
ReadyComplete standard PDF fields with a guided form panel.
ReadyAdd text, highlights, shapes, and freehand notes.
ReadyRecognize text in scanned pages on your device.
ReadyAdd an invisible searchable text layer to scans.
ReadyTurn Markdown and AI answers into a polished PDF with live layout preview.
ReadyExtract an editable, AI-ready Markdown document from a PDF.
ReadyCreate a private extractive summary with adjustable length and live review.
ReadyConvert DOCX documents into clean PDFs with a live layout preview.
ReadyTurn selectable PDF text into an editable Word document.
ReadyRecognize image text locally and create an editable DOCX.
ReadyConvert photographed or scanned JPG text into editable Word content.
ReadyTurn JPEG image text into an editable Word document with private OCR.
ReadyRecognize text from PNG screenshots and export an editable DOCX.
ReadyConvert iPhone HEIC photos to compatible JPG images.
ReadyConvert HEIC photos to crisp PNG files entirely in your browser.
ReadyCombine one or more HEIC photos into a private PDF.
ReadyConvert PNG to compact JPG with quality and background controls.
ReadyConvert JPG photos into lossless PNG images with live review.
ReadyConvert JPEG images to PNG while preserving visible quality.
ReadyTurn JPEG images into one PDF with browser-local processing.
ReadyConvert WebP images to compatible JPG files with adjustable quality.
ReadyConvert WebP images to PNG with live visual comparison.
ReadyCombine WebP images into a shareable PDF without uploads.
ReadyReduce image size with a live quality and size comparison.
ReadyResize images to common web widths and preview exact dimensions.
ReadyTrim white margins or crop every page by exact amounts.
ReadyLock filled form fields and annotations into page content.
ReadyFlip the page order of a PDF in one click.
ReadyConvert modern AVIF images to universally supported JPG.
ReadyConvert AVIF photos to lossless PNG in your browser.
ReadyCombine AVIF images into one private PDF.
ReadyRasterize vector SVG files to crisp PNG images.
ReadyExtract GIF frames as still PNG images.
ReadyExtract Windows icon files into full-size PNG images.
ReadyTurn plain text files into clean, paginated PDFs.
Architecture, not just a promise
Traditional online converters upload your confidential PDFs to third-party cloud servers. PrivatePDF downloads the execution engine to your browser once, then processes all file bytes inside an isolated Web Worker on your CPU.
Your browser reads file bytes locally into memory. Zero network requests transmit your document.
PDF manipulation, OCR, and format conversions execute inside client-side Web Workers and WebAssembly.
The resulting document is assembled into a verified Blob and downloaded directly to your disk.
Security architecture reviewed:
Why PrivatePDF Stands Out
Chained workflows made easy
Documents are processed entirely in browser memory. No third-party AI models or servers ever inspect your confidential files.
Powered by modern WebAssembly and multi-threaded Web Workers for near-instant rendering, OCR, and compression.
Full keyboard navigation, screen-reader support, 16 international languages with RTL layout, and zero paywalls.
Frequently Asked Questions
No. All PDF, Word, and image processing operations execute 100% locally inside your browser using dedicated Web Workers and WebAssembly (WASM). Your source files, form entries, signatures, and converted outputs never leave your computer or phone. The server only delivers static application code, never document contents.
Traditional cloud converters incur massive server hosting and bandwidth bills to transcode files on remote server clusters. Because PrivatePDF harnesses your device's CPU and WebAssembly engine to perform the heavy lifting, our infrastructure costs are negligible. We pass these savings directly to you with 51 permanently free, watermark-free tools.
Yes. PrivatePDF provides superior data sovereignty compared to traditional cloud tools. Because files never transmit across the public internet or rest in temporary cloud queues, there is zero risk of data breaches, accidental leaks, or third-party AI model ingestion. It is inherently compliant with HIPAA, GDPR, and CCPA standards.
Yes. PrivatePDF is configured as an offline-first Progressive Web App (PWA) with Service Worker caching. Once loaded in your browser, you can disconnect your Wi-Fi, enable Airplane Mode, or work in air-gapped corporate environments with full access to all conversion, OCR, and editing features.
PrivatePDF supports 51 tools covering PDF, Microsoft Word (.docx), HEIC, AVIF, WebP, JPG, PNG, SVG, GIF, ICO, TXT, and Markdown (.md). You can convert between formats, reorder/reverse pages, compress file sizes, sign, annotate, crop, and make scans searchable.
We integrate client-side Tesseract.js compiled to WebAssembly. The OCR engine parses image pixels and rasterized PDF layers directly in your browser's background thread, recognizing text across 24 international languages without transmitting a single character across the network.
There are no platform-enforced file size limits, hourly quotas, or queue throttles. The only ceiling is your device's available RAM and processor capacity. Modern desktop and mobile browsers can easily handle PDFs with hundreds of pages or large high-resolution image batches.
Never. All documents are exported in their original native resolution and vector fidelity without any promotional watermarks, stamps, or quality degradation.