Android PDF compressor

Compress PDF to exact KB size

Shrink any PDF to 50 KB, 100 KB, 200 KB, or a custom target. Save, share, and reopen results from History — built for speed and clarity.

Download on Google Play See screenshots

compress PDF PDF to KB reduce PDF size exact target

PDF Resize in KB home screen promo

KB / MB

Preset targets + custom size input

93%

Example reduction shown in History (1.3 MB → 81.7 KB)

Fast

Compress, save, share, and open in a few taps

Built for precise PDF compression

Everything you need to hit upload size limits without leaving Android.

Exact KB targets

Choose 50 KB, 100 KB, 200 KB, 500 KB, 1 MB, or enter a custom size.

Clear before / after

See original vs compressed size, percent smaller, and whether the target was met.

Save & share

Save to Files, share to apps, or open the compressed PDF instantly.

History

Reopen recent compressions and track space saved over time.

Useful defaults

Set default target size, filename behavior, and light / dark / system theme.

Internet for ads

Compression requires network so the free app can stay available with ads.

Real app screenshots

Actual UI from PDF Resize in KB — Home, Processing, Result, History, and Settings.

Home screen — choose PDF and target size — Home

Processing screen while compressing PDF — Processing

Result screen with compressed size — Result

History of compressed PDFs — History

Settings screen — Settings

Store-style preview

History promo graphic

Processing promo graphic

Settings promo graphic

PDF Resize in KB feature graphic

How it works

Step 1

Choose a PDF

Pick any PDF from your device.
Step 2

Set target size

Select a KB/MB preset or enter a custom value.
Step 3

Compress & save

Review results, then save, share, or open the file.

Ready to shrink your PDFs?

Install PDF Resize in KB and hit the size limits your forms, portals, and uploads require.

Get it on Google Play