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KitWren

Edit PDF

Edit PDF files free in your browser: change existing text, add text, images and signatures, highlight, white-out, draw and redact.

  1. Choose your PDF
  2. Tap a tool, then tap or drag on the page
  3. Save and download your PDF
Runs in your browser. Your data and files never leave your device.

About the Edit PDF

A full PDF editor that runs in your browser — no upload, no account, no watermark. Change the existing text, add new text in any language, highlight, white-out mistakes, draw, add boxes and circles, insert images and sign.

Everything you add stays editable until you save: tap it to move, resize, recolour or delete it, and undo any step.

Tips

  • Use “Edit text” for small corrections; for big rewrites, convert with PDF to Word, edit, and convert back.
  • Zoom your browser in for fine positioning.
  • Redactions are permanent only when you keep “Permanently remove redacted content” ticked.

Guides

Frequently asked questions

Can I change the existing text in a PDF?

Yes. Choose “Edit text” and tap a line: the original is covered with white and replaced by your text in a matching size and similar font. For scanned pages (photos of paper) there’s no text to select — use White-out and Add text instead.

Does it work on my phone?

Yes. Every tool works with touch — tap to place text, drag to draw boxes, and sign with your finger.

Is my PDF uploaded to a server?

No. The PDF is processed by your browser on your own device and never leaves it. Closing the page discards everything.

Is there a file size limit?

Files up to 200 MB are accepted. Very large documents depend on your device’s memory; on phones, files under about 50 MB work best.