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DOCUHEX
Runs in your browser

Edit PDF Online Free

Add text, whiteout, drawings, shapes, images and signatures — visually, in your browser.

Most online PDF editors ask you to hand over the document before you can place a single word on it. This one opens your file inside the tab, renders every page with the same engine your browser uses to display PDFs, and lets you place text, whiteout boxes, highlights, drawings, shapes, images and signatures directly on the page. Because the text is laid out by your browser, Arabic, Urdu, Hindi, French and Spanish render with correct shaping, ligatures and accents — and exactly what you see is what gets baked into the downloaded file.

Drop a PDF to start editing

Add text in any language, whiteout, drawings, shapes, signatures and images.

Files stay on this device — nothing is uploaded.

Processing Happens in Your Browser

Processing happens locally on your device. Your file does not need to be uploaded to our processing server.

Works offline after load No account, no storage

How it works

  1. 1

    Open your PDF

    Drop the document in — pages render locally, with zoom and page controls.

  2. 2

    Pick a tool

    Text, whiteout, draw, highlight, shapes, signature or image, then click or drag on the page.

  3. 3

    Adjust

    Move and resize anything, restyle text, undo or redo, rotate, delete or insert pages.

  4. 4

    Download

    Your edits are painted onto the original pages and saved straight to your device.

Features and benefits

  • True multi-language text

    Arabic, Urdu and Devanagari are shaped by your browser's own text engine, with an RTL toggle and Google Fonts built in.

  • Whiteout and redact

    Cover sensitive content with opaque boxes that are baked into the exported file.

  • Draw, highlight and shape

    Freehand pen and highlighter with adjustable size and opacity, plus rectangles, circles, lines and arrows.

  • Sign your way

    Draw a signature, type one in a handwriting font, or upload an image of it, then place and resize it anywhere.

  • Page control

    Rotate, delete or insert blank pages while you edit, with full undo and redo.

  • Nothing leaves the tab

    Rendering and export both run locally, so the document and your signature stay on your device.

Supported formats and limits

Any unencrypted PDF. Signature and image stamps accept PNG, JPG and WebP. Fonts include Noto Sans, Cairo, Amiri, Noto Nastaliq Urdu and Noto Sans Devanagari.

Everything runs inside your browser tab, so the practical ceiling is your device's available memory rather than an upload limit. Documents up to roughly 100 MB work comfortably on a modern laptop; very large files are best handled a few at a time, and closing the tab clears all of it instantly.

Frequently asked questions

Related tools

Keep your documents on your own device

Every tool here works the same way: local processing, no upload, no account. Browse the full set or read exactly how the in-browser engine works.

Browse all toolsHow the technology works