PixPDF is a collection of fast, secure PDF tools for everyday productivity. Compress, merge, split, convert, sign and edit PDFs right in your browser — no sign-up, no install.

Annotate PDF

Q: Do annotations become part of the PDF?

Yes — strokes and highlights are written into the page content when you download, so they display in every viewer and survive printing.

Q: Can I remove an annotation?

Before downloading, undo any stroke you don't want. After saving, annotations are part of the file — keep the original if you might need a clean copy.

Q: Is my document uploaded for annotation?

No — annotation runs entirely in your browser. The file stays on your device.

Q: Is PixPDF safe to use?

Yes. Most tools process files directly on your device, so nothing is uploaded. Conversions to and from Office formats run on our server and files are deleted immediately after. Files are never kept permanently or shared.

Q: Do I need to download PixPDF to use it?

No. Every tool runs in your browser. Just open the page, drop your file, and download the result. You can also install PixPDF as an app if you prefer.

Q: What can I do with PixPDF?

You can convert files to and from PDF, merge, split, compress and organize pages, edit text, fill forms, sign, watermark, run OCR and extract text.

Q: What file formats does PixPDF support?

PixPDF works with PDF files, common image formats like JPG and PNG, and Office documents — DOC, DOCX, XLS, XLSX, PPT and PPTX.

Q: Can I edit PDFs directly in my browser?

Yes. The Edit PDF tool lets you rewrite text already on the page and save a new copy without installing any software.

Highlight what matters and sketch right on the page — no printing, no uploading.

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How to use

Drop in the document you want to mark up — every page renders for annotation.
Choose your tool and color — a freehand pen for drawing, a highlighter for marking passages.
Sketch freehand or drag over the text you want to highlight. Undo any stroke until the markup looks right.
Save a new copy with your markup baked in — the original file stays untouched.

Why users choose

33+ PDF Tools in One Place
Access 33+ PDF tools in one simple interface, from PDF conversion and editing to document management. Save time switching between tools and keep your workflow smooth and productive.
Fast & Accurate PDF Processing
Complete your PDF tasks in just 3–4 simple steps with PixPDF online — no download or setup needed. Convert and edit files quickly while preserving their original content and layout.
Seamless Experience, Anywhere
Enjoy a consistent PDF experience across 4 platforms: desktop, tablet, mobile web, and the PixPDF app. Get help from our support team whenever you need guidance with your documents.
Your Files Stay Private
Your files are protected with encrypted transfers throughout processing. We don't store them permanently, helping keep your documents private even after your task is complete.

33+ PDF Tools in One Place
Access 33+ PDF tools in one simple interface, from PDF conversion and editing to document management. Save time switching between tools and keep your workflow smooth and productive.
Fast & Accurate PDF Processing
Complete your PDF tasks in just 3–4 simple steps with PixPDF online — no download or setup needed. Convert and edit files quickly while preserving their original content and layout.
Seamless Experience, Anywhere
Enjoy a consistent PDF experience across 4 platforms: desktop, tablet, mobile web, and the PixPDF app. Get help from our support team whenever you need guidance with your documents.
Your Files Stay Private
Your files are protected with encrypted transfers throughout processing. We don't store them permanently, helping keep your documents private even after your task is complete.