PDF Compressor: Editor & Tools

No uploads. No popup ads. No compromises. Compress, merge, split & protect PDFs entirely on your iPhone — 100% offline, 100% private.

PDF Compressor & Photo Optimizer — Everything on your iPhone, nothing in the cloud.

Shrink PDFs and photos by up to 95% while you blink eyes. No internet required. No uploads. Your files never leave your device.

WHAT YOU CAN DO

COMPRESS PDF Reduce PDF file size with adjustable quality levels. Perfect for email attachments, web uploads, and freeing up storage.

COMPRESS PHOTOS Shrink JPEG, PNG and HEIC images while keeping them sharp and shareable.

SELECT & SPLIT PAGES Pick only the pages you need from any PDF using a visual thumbnail grid.

MERGE & JOIN PDFs Combine multiple PDFs or images into a single document in seconds.

PASSWORD LOCK & UNLOCK Protect sensitive PDFs with a password or remove password from encrypted files — all on-device, no cloud key storage.

RECENT FILES Instantly access and re-share your recently compressed or edited files.

ADD SIGNATURE Append signature to your PDFs and share them instantly

WHY CHOOSE PDF COMPRESSOR

100% on-device - your documents never leave your iPhone or iPad No account, no subscription required to get started Works offline - compress on a plane, in a meeting, anywhere Supports Files app - open and save directly from iCloud, Dropbox and more iPad & Mac (Apple Silicon) ready

Perfect for students, professionals, lawyers, and anyone who handles PDFs regularly.