Slate PDF
Files never leave your device

Every PDF task,free and private.

Merge, split, compress, convert, edit and sign documents in your browser. No uploads, no sign up, no watermarks and no limits.

Browse every tool
No sign up No uploads No limits 100% private
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PDF Tools
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Files Converted
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Free Forever
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Featured

PDF Workspace

Open one document and do everything to it in one sitting. Rewrite the text, black out what should not be seen, reorder the pages, sign it, stamp it, then lock it — each step picks up exactly where the last one left off, and you can download the file at any point.

Open the workspace
  1. 1Edit
  2. 2Redact
  3. 3Pages
  4. 4Sign
  5. 5Stamp
  6. 6Adjust
  7. 7Protect
  8. 8Download
Scan to PDF with your phone cameraA full document scanner in your browser: it finds the page, captures it when you hold steady, straightens it and removes shadows. Book, ID card, business card and whiteboard modes, signatures and searchable text — no app.Start scanning

The Free PDF Toolkit That Runs in Your Browser

Unlike traditional PDF software that requires installation and expensive subscriptions, Slate PDF processes your files locally — meaning your documents never leave your device.

38 Professional Tools

Merge multiple PDFs, split large files, compress without quality loss, convert between formats, add signatures, and password-protect documents.

Works Everywhere

Whether you are a student combining research papers, a professional preparing contracts, or anyone who works with PDFs regularly — it all runs in your browser.

Truly Free. Forever.

No sign-up required, no watermarks added to your output, no file size limits, and no hidden fees. Use every tool as many times as you want.

Why Slate PDF?

Built for speed. Designed for privacy. Trusted by millions.

Your Files Stay Private

All processing happens on your device. Your documents never touch our servers — not during processing, not after. Perfect for confidential and sensitive work.

Instant Processing

No waiting for uploads. No server queues. Your PDF is processed the moment you hit the button — even large files handle in seconds.

No Limits. No Watermarks.

Use every tool as many times as you want. No file size restrictions. No watermarks added to your output. Completely free, forever.

Works in any modern browser No account required No data collection

How Slate PDF Compares

See how we stack up against the most popular online PDF tools.

FeatureSSlate PDFSmallpdfiLovePDF
Files uploaded to serversX
No account requiredXX
No file size limitsXX
No watermarks on outputXX
Completely free foreverXX
Offline / local processingXX
PDF editing & signing

Smallpdf and iLovePDF are registered trademarks of their respective owners.

HM

Written and reviewed by Hamza M., PDF Workflow Editor

Every guide is written from hands-on experience and independently fact-checked. Nothing here is auto-generated — see how we keep content accurate on the About page.

Frequently Asked Questions

Everything you need to know about Slate PDF.

Slate PDF is a free, browser-based PDF toolkit that lets you merge, split, compress, convert, edit, sign, and secure PDF files. All processing happens locally in your browser — your files never leave your device.