100% free · No watermarks · No premium feature gates
Free, private PDF editing

Wake up your PDFs.
Keep them yours.

Edit PDFs now in your browser, or use the desktop app for offline OCR and larger workflows. Free, with no watermark or subscription.

No account · No upload in the web editor · No feature gates
proposal.pdf
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Project proposal
A calmer way to
work with documents.

Private files should stay private. Make the changes you need, then save a fresh searchable copy.

Processed locally in the desktop app.
Desktop stays local0 document uploads
FREE · AI-READYOCR · TXT · Markdown
Free foreverBrowser-local web editorNo watermarksSource available under AGPL

One focused workspace.
No upgrade screen.

Every shipped PDF feature is available to every user. Advertising and disclosed affiliate sponsorship—not locked tools—support development.

01

Edit native PDF text

Correct text, add notes, highlight details, whiteout content, and preview the finished result without a watermark.

02

Organize every page

Merge documents, split page ranges, rotate pages, remove what you do not need, and export a fresh copy.

03

Extract for AI

Use bundled offline OCR to turn scans into focused TXT or structured Markdown without sending the document to an AI provider.

04

Convert and compress

Convert images and PDF pages or shrink image-heavy documents using the desktop app and your own hardware.

Give AI the useful text.
Leave out the clutter.

Extract scanned PDFs locally into reusable text or Markdown, remove repeated page noise, and estimate document size before using the AI tool you prefer.

  • Bundled offline OCR—no separate setup
  • Plain text and structured Markdown exports
  • Repeated header, footer, and page-number cleanup
  • No PDF content shared with advertisers
Cleaner input can reduce unnecessary token usage. Actual token counts vary by model.
AI-READY EXPORTProcessed locally
annual-report.pdf86 pages
SELECTED14 pages
CLEAN TEXT18,420 words
ESTIMATED INPUT≈ 25,000 tokens
✓ Headers removed✓ Page numbers removed✓ .md or .txt

$0. Every feature.
No catch in the export.

The Caffeinate is moving to a public-source, ad-supported model so useful PDF tools remain accessible without subscriptions.

OPEN SOURCE

AGPL v3

For the next PyMuPDF build

  • Corresponding source for every distributed build
  • Public build scripts and dependency manifests
  • Community inspection and contribution
  • No proprietary premium layer
Repository publication in progress
SUPPORTED RESPONSIBLY

Ads + affiliates

Clearly labeled

  • Web ads stay away from editing controls
  • Desktop uses direct sponsor placements
  • No document-based ad targeting
  • No click required to export
Sponsor the project

Two local modes.
One clear promise.

The desktop app processes documents on your computer. The web editor runs MuPDF inside your browser tab. Neither mode sends your selected PDF to The Caffeinate.

Desktop stays localPDFs, OCR, edits, and exports remain on your computer.

Web stays in your browserThe web editor processes PDFs in this browser tab without uploading them to us.

No document targetingAds never receive filenames, extracted text, page images, or editing history.

Open-source directionThe next PyMuPDF build ships under GNU AGPL v3 with corresponding source.

Read the privacy policy

Open. Edit. Preview. Save.

1Open locally

Choose a PDF from your computer.

2Edit natively

Correct text and organize pages.

3Preview first

Review the finished document.

4Save anywhere

Export a fresh searchable copy.

Small utilities.
Serious privacy.

PDF is the first utility in a family of focused free tools designed to respect your files and attention.

USE IT NOW

Web PDF Editor

Edit locally in your browser—no upload required.

DESKTOP BETA

PDF Desktop

Offline OCR and deeper document workflows.

COMING NEXT

Images

Resize, convert, compress, and clean up images locally.

Your PDF workspace is ready.

The current Windows beta is free. The new PyMuPDF-powered AGPL build will replace it after source publication and release verification.

The Windows beta is unsigned, so Windows may show a warning. Keep backups and review exported files. Mac is coming after signing and notarization.
MACOS · APPLE SILICONMac version coming soonSigning and notarization pending
SOON
FOR 64-BIT WINDOWSDownload current free betaWindows 10 or 11 · OCR included

By downloading, you agree to the beta terms. Need help? hello@thecaffeinate.com