PDF reader for Android
Lark PDF Reader
Simple & Fast
Open PDFs from WhatsApp, email or Drive in a blink. Read, highlight, sign, fill and edit, all on your phone, with no ads and no account.
- Free
- No ads
- No account
At a glance
Light, private and free
- All featuresFree
- AdsNone
- AccountNot needed
- Documents uploadedNever
- Languages18
- Android9 and up
Screens
See it in action






Highlights
Every PDF tool in one app
Scan documents
Paper to PDF with your camera
Highlights, notes and shapes
Mark up right on the page
Signatures
Draw, type, photo or digital (PAdES)
Fill in forms
Saved straight to the original file
Recognize text (OCR)
Make scans searchable
PDF to Word
Plus merge, split and compress
Security
Your documents stay yours
Safe from malicious PDFs
Every PDF opens in an isolated process run by Lark Engine, our PDF engine, with no permissions at all. A malicious PDF stays trapped there, away from your data.
No ads, no trackers
No ads or trackers, only an anonymous count of active devices that you can turn off. All processing, including OCR, runs on your phone; documents are never uploaded.
Lark PDF Reader: Simple & Fast
Open, sign and edit PDFs on your phone. Free, no ads, no account.