PDF Editor — Free Online Editing Tools

Edit and enhance your PDF files with 25+ editing tools. Compress, rotate, crop, add watermarks, and much more — all in your browser.

All PDF Editing Tools

PDF Editor

Annotate, highlight, redact, comment, add shapes/images, search, and view PDFs.

Compress PDF

Reduce the file size of your PDF documents while maintaining the best possible quality.

Rotate PDF

Turn pages in 90-degree increments.

Crop PDF

Trim PDF margins and adjust page size visually.

Duplicate & Organize

Duplicate, reorder, and delete pages.

Delete Pages

Remove specific pages from your document.

Add Watermark

Stamp text or an image over your PDF pages.

Header & Footer

Add text to the top and bottom of pages.

Page Numbers

Insert page numbers into your document.

Background Color

Change the background color of your PDF.

Text Color

Change text color

Invert Colors

Create a "dark mode" version of your PDF.

Add Blank Page

Insert an empty page anywhere in your PDF.

Reverse Pages

Flip the order of all pages in your document.

Divide Pages

Divide pages horizontally or vertically.

Remove Annotations

Strip comments, highlights, and links.

Remove Blank Pages

Automatically detect and delete blank pages.

Extract Pages

Extract specific pages from a PDF and save them as individual files or a ZIP archive.

Extract Attachments

Extract all embedded files from PDF(s) as a ZIP.

Extract PDF Tables

Extract tables from PDF files and export as CSV, JSON, or Markdown.

N-Up PDF

Arrange multiple pages onto a single sheet.

Rotate by Custom Degrees

Rotate pages by any custom angle.

PDF to Greyscale

Convert all colors to black and white.

Why Use ZentoPDF PDF Editor Tools?

No Uploads

100% client-side, your files never leave your device.

Forever Free

All tools, no trials, no paywalls.

Lightning Fast

Process PDFs instantly, without waiting or delays.

No Signup

Start instantly, no accounts or emails.

Frequently Asked Questions

Are my font styles preserved when adding text?

Yes, you can choose from standard web fonts to add text to your PDF, ensuring a clean and professional appearance.

Can I remove or redact sensitive information?

Yes, you can use the drawing tools to blackout text or use the remove annotations tool to clear out existing comments.

Is it safe to edit confidential documents here?

Absolutely. Since ZentoPDF is a client-side application, your confidential documents never leave your computer.

Why is the editor completely free?

We run processing locally on your device rather than expensive cloud servers, allowing us to offer these tools completely free.