PDF Editor
Add text, draw, highlight and annotate any PDF directly in your browser. Fast, private, and free.
Drop a PDF to start editing
Click or drag & drop · PDF only · up to 50MB
ToolSnap's PDF Editor is a free, browser-based tool that lets you annotate and mark up any PDF without uploading it to a server. Add text notes, draw freehand, highlight sections, draw rectangles and circles — all rendered instantly on top of your PDF. When you're done, download the edited PDF with your annotations embedded permanently.
How to Edit a PDF Online
- Drop your PDF file into the editor or click to upload (up to 50MB)
- Choose a tool: Text, Draw, Rectangle, Circle, Highlight, or Eraser
- Pick a color, size, and opacity for your annotations
- Click and drag directly on the PDF to add your annotations
- Use Undo (Ctrl+Z) to remove the last action, or Clear to reset the page
- Navigate between pages using the page controls
- Click "Download Edited PDF" — your annotations are embedded in the file
Frequently Asked Questions
Is the PDF editor free?
Yes. Free users get 2 PDF edits per day with no account required. Pro users get unlimited edits.
What can I do with the PDF editor?
You can add text, draw freehand, add shapes (rectangles and circles), highlight content, and annotate any PDF file.
Is my PDF uploaded to your servers?
No. All editing happens directly in your browser using PDF.js and pdf-lib. Your PDF never leaves your device.
What is the maximum file size?
You can edit PDF files up to 50MB in size.
Can I edit existing text in a PDF?
The editor supports adding new content on top of existing PDFs — text annotations, drawings, highlights, and shapes. For full text editing, upgrade to Pro.
Why Use ToolSnap's PDF Editor?
Unlike traditional PDF editors that require installation or charge per document, ToolSnap's PDF Editor runs entirely in your browser using open-source libraries. Your document is never uploaded to any server — all processing happens locally using PDF.js for rendering and pdf-lib for saving. This means complete privacy, instant performance, and no file size limits on your subscription.