How-To

How to Compress a PDF on iPhone — Free, No App Needed

July 3, 2026  ·  3 min read  ·  Fourmeld Blog

You can compress any PDF on iPhone directly in your browser — no app, no software, completely free.

1

Open Fourmeld in Safari

On your iPhone, open Safari and go to fourmeld.com.

2

Tap the tool you need

Tap PDF Tools, Image Tools or File Converter from the home page.

3

Tap Upload and choose your file

Tap Upload. Select from Photos, Files or iCloud Drive.

4

Process and save

Tap Compress/Convert. When done, tap Download and save to your Files app or Photos.

Tips

FAQs

Do I need to install an app on my iPhone?

No — Fourmeld works entirely in your browser. No download or installation needed.

Does this work on iPhone?

Yes — Fourmeld is fully compatible with iPhone in Chrome, Safari and other browsers.

Is this free?

Yes — completely free, no signup, no watermark on results.

Try Fourmeld on iPhone — Free

Compress, merge, split, sign and edit PDFs — 100% free, no signup.

Try Fourmeld PDF Tools Free →