Professional PDF Editor
Directly edit or delete existing PDF text in-place, insert new text, erase areas, draw shapes, and add signatures.
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or drag & drop PDF file directly here
Browse FilesAbout Edit PDF Online — Free PDF Editor & Annotator
KAOpdf Edit PDF is a powerful, free online PDF editor that lets you add text, draw freehand annotations, insert shapes, highlight paragraphs, and place signatures directly onto your PDF documents. Whether you need to fill out non-interactive PDF forms, annotate lecture slides, sign contracts, or mark up architectural plans, our intuitive canvas editor provides all the tools you need directly in your web browser. No expensive software like Adobe Acrobat Pro required. 100% free, private, and easy to use.
How to Use Edit PDF
Upload Your PDF
Select the PDF file you want to edit from your computer, smartphone, or tablet.
Add Text, Shapes & Drawings
Use the editing toolbar to type new text, draw freehand notes, highlight key phrases, or insert custom shapes.
Save & Download Edited PDF
Click "Save & Download" to bake all annotations and text blocks into a clean, permanent PDF file.
Specifications & System Limits
TLS 256-bit Server Encryption
Files are temporarily uploaded to our private microservice via encrypted channels and purged permanently within 2 hours.
Super Fast & No Waiting
Instant high-speed conversion with ultra-low latency. Never wait in arbitrary processing queues.
100% Free & No Watermarks
All PDF tools are accessible free of charge without watermarks, hidden paywalls, or required registration.
Frequently Asked Questions (FAQ)
You can add new text blocks, whiteout/cover outdated text, and place new annotations anywhere on the page without altering the underlying page layout.
No software or plugins are required. KAOpdf Edit PDF runs entirely inside any modern web browser on Windows, Mac, Linux, iOS, and Android.
Yes! You can use the freehand drawing pencil tool to draw your handwritten signature directly onto document signature lines.
Yes. Document rendering and editing happen directly in your browser. We never access, share, or store your document contents.
Yes, or you can use our dedicated Add Page Numbers and Add Watermark tools for automated bulk page processing.
Yes, 100% free with no watermark, no page limits, and no credit card required.
Related PDF Tools
How was your experience using KAOpdf Edit PDF?
Give us a star rating or report any bugs you encountered with this tool.
About Edit PDF Online — Free PDF Editor & Annotator
KAOpdf Edit PDF is a powerful, free online PDF editor that lets you add text, draw freehand annotations, insert shapes, highlight paragraphs, and place signatures directly onto your PDF documents. Whether you need to fill out non-interactive PDF forms, annotate lecture slides, sign contracts, or mark up architectural plans, our intuitive canvas editor provides all the tools you need directly in your web browser. No expensive software like Adobe Acrobat Pro required. 100% free, private, and easy to use.
How to Use Edit PDF
Upload Your PDF
Select the PDF file you want to edit from your computer, smartphone, or tablet.
Add Text, Shapes & Drawings
Use the editing toolbar to type new text, draw freehand notes, highlight key phrases, or insert custom shapes.
Save & Download Edited PDF
Click "Save & Download" to bake all annotations and text blocks into a clean, permanent PDF file.
Specifications & System Limits
TLS 256-bit Encryption
Files are temporarily uploaded to our private microservice via encrypted channels and purged permanently within 2 hours.
Super Fast & Reliable
Instant high-speed conversion with ultra-low latency. Never wait in arbitrary processing queues.
100% Free & No Watermark
All tools on KAOpdf are completely free with no watermarks, no file limits, and no account registration required.
Frequently Asked Questions (FAQ)
Can I edit existing text in a PDF file?+
You can add new text blocks, whiteout/cover outdated text, and place new annotations anywhere on the page without altering the underlying page layout.
Do I need to install any software or browser extension?+
No software or plugins are required. KAOpdf Edit PDF runs entirely inside any modern web browser on Windows, Mac, Linux, iOS, and Android.
Can I sign a PDF using this editor?+
Yes! You can use the freehand drawing pencil tool to draw your handwritten signature directly onto document signature lines.
Are my edited documents kept confidential?+
Yes. Document rendering and editing happen directly in your browser. We never access, share, or store your document contents.
Can I add page numbers or watermarks while editing?+
Yes, or you can use our dedicated Add Page Numbers and Add Watermark tools for automated bulk page processing.
Is this online PDF editor completely free?+
Yes, 100% free with no watermark, no page limits, and no credit card required.