PDF Tool · Free · No Upload

Edit PDF Online — Free In-Browser PDF Editor

Add text, highlights, annotations, and comments to any PDF directly in your browser — no software download, no sign-up, and no server upload. Your PDF never leaves your device. The edited file downloads instantly when you're done.

PDF Editor — Coming Soon

The in-browser PDF editor is currently in development. In the meantime, use the tools below for your PDF workflow.

How to Edit a PDF Online in 3 Steps

1

Open Your PDF in the Editor

Click the dropzone or drag your PDF into the upload area. The file loads instantly in your browser — nothing is sent to a server.

2

Add Text, Highlights or Annotations

Click anywhere on the page to add a text box. Use the toolbar to add highlights, strikethroughs, underlines, or sticky note annotations.

3

Save & Download Your Edited PDF

Click Download. The edited PDF is generated client-side using pdf-lib WebAssembly and saved directly to your device.

🔒100% Private: Your files are processed entirely in your browser and never uploaded to any server.

Frequently Asked Questions

Can I edit PDF text online for free?›
Yes. ToolFlow’s PDF editor lets you add text overlays, annotations, and highlights to any PDF directly in your browser — no sign-up and no server upload.
Does editing a PDF change the original file?›
No. The editor works on a copy in your browser. Your original file is untouched. Only the file you download contains the edits.
Can I edit a scanned PDF?›
You can add text overlays on top of scanned PDFs. To edit the underlying scanned text, first convert the PDF to Word using our PDF to Word converter.

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