Compress PDF files instantly and reduce PDF size offline — fast, private, and easy to use.

PDF Compressor helps you compress PDF files directly on your Android device without uploading them to the cloud. If your PDF file is too large to upload, email, or share, this app lets you shrink PDF documents in just one tap.

Compress PDF Instantly

Select any PDF file and compress PDF instantly

Reduce PDF size to save storage space

Smaller PDFs upload and download faster

Perfect to compress PDF for email, WhatsApp, and sharing

Choose Compression Level

Best Quality – keeps visuals nearly identical

Balanced (Recommended) – best size-quality ratio

Smallest Size – maximum compression

You stay in full control of how much you want to reduce PDF size.

Private PDF Compressor – 100% Offline

Works completely offline

No internet connection required

No cloud upload

No data tracking

This app lets you compress PDF offline, keeping your files safe and private. Your documents never leave your device, making it a trusted private PDF compressor for personal and business use.

More PDF Tools Included

Compress PDF files offline

Merge multiple PDFs into one

Split PDFs into separate files

Convert PDF pages to images

Preview PDFs before sharing

Manage compressed files easily

All tools work offline on your phone.

Why Use PDF Compressor?

Fast and lightweight PDF compressor app for Android

Simple and clean interface

No sign-in required

No watermark

Works on all Android devices

This app also works as a powerful PDF size reducer, helping you shrink large PDF documents without losing readability.

Frequently Asked Questions

How to compress PDF and reduce file size?

Open PDF Compressor

Select a PDF file

Choose a compression level

Compress and save instantly

Is this PDF compressor app safe to use?

Yes, this PDF compressor works fully offline

Your files are never uploaded to any server

How does a PDF size reducer work?

Optimizes images

Removes unnecessary data

Re-encodes content while keeping it readable

Download PDF Compressor – Reduce Size today and compress PDF files offline with speed, privacy, and complete control.