How do I edit and add text to my PDF file?

Upload your PDF file, click the 'Text' tool in the toolbar, and click anywhere on the page canvas. Type your custom text and adjust font size, color, and positioning.

Can I draw signatures, highlight paragraphs, or redact private info?

Yes! You can use the Draw/Pen tool for freehand signing, the Highlighter tool for translucent text emphasis, the Redaction box for censoring sensitive info, and shape tools (rectangles, circles, lines).

Are my confidential PDF documents uploaded to your server?

Never. All page rendering, annotation layers, and final PDF recompilation take place 100% locally inside your web browser memory using PDF.js and PDF-Lib.

100% In-Browser Privacy • Zero Cloud Uploads

Free Online PDF Editor

Add custom text, draw annotations, highlight paragraphs, redact sensitive data, insert signatures, and save your modified PDF directly in your browser.

Drop your PDF here or Click to Browse

Supports multi-page documents up to 100MB • 100% client-side privacy

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All edits are stored locally in browser memory.

100% In-Browser Document Editing

All canvas annotations, text overlays, digital signatures, and PDF rebuilding execute entirely inside your device RAM. Your contracts and personal files are never uploaded to any cloud server.

How to Edit a PDF Online for Free

Upload PDF File

Drag and drop your PDF document into the editor dropzone.

Annotate & Edit

Add text, draw signatures, highlight paragraphs, or blackout sensitive areas.

Save & Download

Export your completed, annotated PDF instantly with zero watermarks.

Frequently Asked Questions

Yes! Use the page navigation bar or left thumbnail filmstrip to switch between pages. All annotations, text elements, and drawings are automatically saved per page in memory.

No. 360Tools PDF Editor is 100% free with no registration, no watermarks, and no page limits.

Absolutely. Processing runs entirely in your local browser using client-side WebAssembly and PDF.js. Your document bytes are never transmitted to any external server.