Edit your PDF

Drop a PDF here, or click to choose a file.

Everything stays on your device.

How to edit a PDF for free

Kopitiam is a free online PDF editor that runs entirely in your browser. Open a PDF and add text, draw, highlight, insert images, sign it, and fill in form fields — then download the result. There is no install, no watermark, and no sign-up needed.

  1. Open the PDF editor and drop your PDF onto the page (or click to choose a file).
  2. Pick a tool from the toolbar — add text, draw, highlight, insert an image, or sign.
  3. Click on the page where you want the change and edit it directly.
  4. Use the auto-fill button to detect and complete form fields automatically.
  5. Click Download to save your edited PDF to your device.

Frequently asked questions

Is this PDF editor really free?
Yes. Every tool is free with no paywall, no “pro” tier and no watermark on your files.
Do I need to install anything to edit a PDF?
No. Kopitiam works in any modern browser — open a tab, drop your PDF, and edit.
Are my files uploaded anywhere when I edit them?
Everything runs in your browser — your file never leaves your device and is never uploaded to a server. It is completely free, with no watermark and no sign-up needed.
Can I sign a PDF and fill in forms?
Yes — you can draw or place a signature, and the auto-fill tool detects form fields so you can complete them quickly.