Edit PDF Online Free

PDFCharm's free online PDF editor lets you annotate, highlight, add text, and draw on any PDF document directly in your browser. Whether you need to fill out a form, mark up a report, or add comments to a contract, this tool handles it all without uploading your file to any server. Your documents stay completely private on your device.

How to edit a PDF online for free

  1. Click "Choose PDF" or drag your PDF file onto the upload area.
  2. Use the toolbar to add text boxes, shapes, freehand drawings, or highlights.
  3. Click "Download" to save the annotated PDF directly to your device.

Frequently asked questions

Can I edit text in a PDF for free?
Yes. You can add new text boxes on top of existing content at no cost. PDFCharm overlays edits as a transparent layer without modifying the original text encoding.
Does editing a PDF upload it to a server?
No. All processing is done locally in your browser using PDF.js and pdf-lib. Your file never leaves your device.
What file size limit is there?
There is no hard file size limit. Very large PDFs may take longer to render depending on your device's available memory.
Does the PDF editor work on mobile?
Yes. PDFCharm works on modern mobile browsers including Chrome and Safari on iOS and Android.
Do I need to create an account?
No account or sign-up is required. Open the page, upload a PDF, edit it, and download — that's it.

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