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InstantTools
PDF · 100% browser-side

PDF Editor

Annotate and mark up PDFs without uploading them anywhere.

Free foreverNo uploadsNo account
Runs locallyYour document is edited in your browser — 0 bytes uploaded
Drop a PDF here or click to browse
Add text, draw, and highlight — then download the edited PDF
Suggested next steps

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Your privacy matters

All files are processed locally in your browser. Nothing is uploaded to our servers, so your documents remain private and secure.

01 · Real-world fits

Common use cases

  • Filling in forms that were sent as flat PDFs
  • Adding names, dates, and notes to contracts before signing
  • Highlighting key passages in reports and papers
  • Marking up drafts with freehand corrections
  • Annotating documents on sensitive matters without uploading them
02 · The honest pitch

Why PDF Editor?

Most online PDF editors upload your document to their servers and watermark or paywall the result. This editor renders the PDF with pdf.js and writes your changes with pdf-lib — all inside your browser, free, with no watermark and no account.

PDF Editor keeps the job narrow: annotate and mark up pdfs without uploading them anywhere. It is built for the small but frequent moments when opening a heavyweight editor, installing a package, or uploading sensitive work to a random service is more friction than the task deserves.

03 · Edge cases

Frequently asked questions

No. Rendering, editing, and saving all happen in your browser. Nothing is transmitted.