Drop your files here
PDF files
Compress a PDF online — reduce file size for free
Is your file too heavy for an email or a website? Drop it, keep “Recommended” and click Compress. Text stays sharp.
What is it for?
- Email a PDF that is too large.
- Upload a document to a portal with a size limit (often 2 to 5 MB).
- Save space in your folders.
How does it work?
- 1Drop your PDFOne or more.
- 2Keep "Recommended"Or choose Light or Maximum depending on the size you need.
- 3Click Compresspdffusion shows the gain, for example "8 MB → 2 MB".
Why pdffusion?
100% free
No subscription, no credit card, no watermark added to your documents.
No sign-up
No account to create: open the page, drop your files, done.
Your files stay yours
Processed, then deleted right away. We keep neither your documents nor your data.
Every format
PDF, Word, Excel, PowerPoint, OpenDocument, images, EPUB… from a computer or a phone.
Frequently asked questions
Does compression blur the text?
No: text stays sharp. Only images are lightened, very little in Recommended mode.
Why doesn't my PDF get smaller?
It was probably already optimized; pdffusion tells you so.
Is pdffusion really free?
Yes. Every tool is free, with no watermark and nothing locked behind a subscription. No credit card is ever requested.
Do I need an account?
No. No sign-up, no email address: you use the tools right away.
Are my documents kept?
No. Your files are only used for the task you asked for, then deleted. Nobody reads them and they are never shared.
Does it work on a phone?
Yes. pdffusion runs in the browser of any phone, tablet or computer (Android, iPhone, Windows, Mac, Linux), with nothing to install.
Which formats are supported?
PDF, Word (DOCX, DOC), Excel (XLSX, XLS, CSV), PowerPoint (PPTX, PPT), OpenDocument (ODT, ODS, ODP), RTF, images (JPG, PNG, WebP, AVIF, HEIC (iPhone), TIFF, GIF, SVG), EPUB, TXT, HTML and more.
Are there any limits?
You can process up to 500 files at once, and a produced document can have up to 10,000 pages.