PDF Compressor
Got a PDF too big to email? Shrink it right here — your file never leaves your device, and the smaller PDF downloads instantly.
What is the PDF Compressor?
PDFs have a habit of ballooning. A scanned document, a report full of photos, or a slide deck exported at print quality can easily hit 30 or 50 MB — and then email rejects it, upload forms refuse it, and messaging apps crawl. Most of that weight is embedded images stored far larger than any screen needs.
The MuftTools PDF Compressor re-encodes those images at sensible quality levels while leaving text razor-sharp, typically cutting file size by 40–80%. You choose the trade-off: light compression for near-original quality, or maximum for the tiniest file. And because the whole process runs inside your browser, private documents — contracts, medical records, IDs, financial statements — are never uploaded to any server. No watermarks are added, no account is needed, and it is free.
How to use the PDF Compressor
- Drop your PDF into the tool, or click to browse your files.
- Choose a compression level: light, recommended, or maximum.
- Click Compress and wait a few seconds.
- Download the smaller PDF — before/after sizes are shown for comparison.
Key features
- 100% in-browser compression — your files are never uploaded
- Three compression levels for full size-vs-quality control
- Text stays perfectly sharp while images are smartly optimized
- No watermarks or branding added to your document
- Works on phones, tablets, and desktops alike
- Free with no sign-up and no hidden limits
Frequently asked questions
Is my PDF uploaded to a server during compression?
No. The entire compression process runs locally in your browser using JavaScript. Your document never leaves your device, which makes it safe for confidential files.
How much smaller will my PDF get?
It depends on content: image-heavy PDFs typically shrink 40–80%, while text-only PDFs — already small — compress less. The tool shows exact before/after sizes.
Will compression ruin my document’s quality?
Text remains perfectly crisp at every level since only embedded images are re-encoded. Choose “light” if you want near-original image quality.
Is there a maximum file size?
The only real limit is your browser’s memory. Everyday documents, scans, and reports compress without any trouble.