Lumin: PDF Editor, Edit, Sign, Merge, Share and Print PDFs

Tracking since Apr 21, 2026.

Changelog

• May 6, 2026
  description

  The PDF extension that actually extends: with Lumin you can read, sign, edit and print PDFs straight from your Chrome browser.
  
  Lumin puts all the PDF editing tools you need in one place, so you can make more impact with less admin.
  
  Join over 100 million users worldwide to access shortcuts for your favourite tools: 
  
  EXTENSION FEATURES:
  - edit PDFs
  - merge PDFs
  - eSign or send PDFs for signature
  
  Lumin is cloud-based and fully integrated with Google Workspace, so you can edit PDFs from your mobile, tablet or desktop.
  
  HOW TO GET STARTED:
  1. Download the Lumin extension for Chrome 
  2. Drag and drop any PDF into your browser to read it instantly
  3. Sign in to select and use the tools you need easily
  
  Night owls, we see you! You can turn on dark mode to read in comfort.
  
  Lumin is designed to be user-friendly, so using these tools should feel like second nature. If it doesn’t, let us know! We’re always trying to improve.

  Lumin PDF Editor is a free Chrome extension that turns your browser into a full PDF workspace. Open any PDF in Chrome and Lumin loads it automatically. No account needed to get started.
  
  100 million people use Lumin every day to read, mark up, edit and sign PDF files. Here is everything you get:
  
  NO ACCOUNT NEEDED
  Open any PDF in Chrome and start working right away.
  - Highlight, annotate, and comment on any PDF
  - Draw or type directly onto the page
  - Save your changes without signing in
  - Build fillable forms with text fields, checkboxes, and signature fields
  - Sign any PDF or send it to others for signature
  
  FREE WHEN YOU CREATE AN ACCOUNT
  Upload to Lumin storage and unlock these tools for free.
  - Merge multiple PDFs into one file
  - Compress a PDF to shrink its file size
  - Convert PDF to Word, Excel, PowerPoint, JPG, and more
  - Convert images and Office files into PDF
  - Access your files from any device, anytime
  
  7 DAY FREE TRIAL
  Try the full toolkit free when you sign up.
  - Edit text and images inside any PDF
  - Redact sensitive content permanently
  - Lock a PDF with a password or unlock a secured file
  - Connect to Google Drive and Google Workspace
  
  WHAT'S NEW
  - Annotate PDF files in Chrome without an account
  - Lumin automatically replaces the default Chrome PDF viewer
  - Open PDF files from your computer directly in Lumin

Permissions & access

Permissions

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Host access

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Screenshots

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