WriteGenius
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PDF Editor

Upload a PDF, edit existing text, add annotations, highlight or erase content, then download.

Free plan: 2 free downloads remaining.
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Drop a PDF here or click to upload

PDF files only — processed entirely in your browser

Free Adobe-Style PDF Text Editor Online

Our PDF editor uses the same text-detection approach as professional desktop tools. Click any detected text to edit it directly — the original text is automatically whited out and replaced with your new content when you download. You can also erase regions, add new text annotations, and highlight areas. All processing happens locally in your browser.

Powered by PDF.js for rendering and text extraction, and pdf-lib for saving. Your files never leave your device. get unlimited downloads.

Editor Features

Edit Existing Text

Click any detected text to edit it in place. The original is whited out and replaced in the saved PDF — like Adobe Acrobat.

White-Out (Erase)

Draw a rectangle over any area to cover it with solid white in the final PDF — great for redacting content.

Add New Text

Click any empty area to drop a new text annotation. The text is embedded at the correct position in the output PDF.

Highlight

Draw a semi-transparent yellow rectangle to highlight any area of a page.

Undo & History

Full undo history lets you step back through changes. Press Ctrl+Z or use the Undo button.

100% Private

All processing happens in your browser. No uploads, no server, no data collection.

How to Edit a PDF

1

Upload

Drop your PDF or click to browse. Each page is rendered and all text is detected automatically.

2

Choose a Tool

Use "Edit Text" to click and modify detected text, or pick Erase, Add Text, or Highlight.

3

Edit

Click text to edit it in place, or click and drag for erase/highlight regions.

4

Download

Click "Download Edited PDF" — all edits are embedded into the file.

Do it all with WriteGenius

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Frequently Asked Questions

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