Annotation tools in the PDF editor

  • Text anywhere on the page, with size, colour, bold, italic and underline
  • Highlight and freehand Draw, with an eraser
  • Line, Arrow, Rectangle and Oval
  • Sticky Notes, Stamps and inserted Images
  • Signature — draw it once with your finger and reuse it on any document
  • Select to move or resize what you placed, undo mistakes, then Save & Exit
The PDF editor with the annotation toolbar

Step by step

How to add text or a signature to a PDF

  1. Open Tools → Edit & annotate and choose a PDF — or tap a file and pick Edit from its quick actions.
  2. Pick a tool from the toolbar: Text, Highlight, Draw, a shape, Note, Stamp or Image.
  3. For a signature choose Signature, draw it once and save it; place it on the page and resize it to fit.
  4. Tap Save & Exit. The edited copy is saved in the PDFReader/Edited folder and your original stays untouched.

Good to know

Before you start

How edits are saved

Your annotations are drawn onto the page and saved as a new, flattened PDF that looks the same in any reader. The page text in that copy can no longer be selected.

Annotate, not retype

The editor adds text and markup on top of the page. To change the original wording, convert with PDF to Word, edit it, then convert back.

Works offline

Editing and signing happen on the device. Your document and your saved signature are not uploaded.

Questions

PDF Editor FAQ

Can I sign a PDF on Android with this app?

Yes. Choose the Signature tool, draw your signature with a finger and place it. It is saved for reuse on the next document.

Does editing change my original PDF?

No. Save & Exit writes a new file to PDFReader/Edited and leaves the original as it was.

Can I edit the existing text in a PDF?

The editor adds text, highlights, drawings and images on top of a page rather than rewriting the text already in it. For wording changes, use PDF to Word.

Also in the app

PDF Reader & Viewer

A fast PDF reader and viewer for Android with in-document search, bookmarks, table of contents, night mode and full-screen reading. Free on Google Play.

Learn about PDF Reader & Viewer

PDF to Word

Convert PDF to an editable Word (.docx) document on Android. Text, fonts, tables, images and links are rebuilt on your phone — no upload, no account.

Learn about PDF to Word

PDF Tools

Merge PDF files, split by page range, compress, rotate and reorder pages, and lock or unlock PDFs with a password — all on your Android phone.

Learn about PDF Tools

Get PDF Reader on Google Play

Reader, editor, scanner and converter in one free Android app. Requires Android 8.1 or later; supported by ads; no account needed.