Compress a PDF online
Compress a PDF online — reduce file size to send by email or share easily. If your PDF is too large for an attachment, choose a compression level and get a lighter document in seconds. Free, no sign-up required.
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Automatic deletion after 1h
Compress a PDF online — Frequently asked questions
What is the maximum PDF size?
On the free plan, the limit is 100 MB per file. The Pro plan allows files up to 2 GB.
What is the difference between compression levels?
Light mode optimizes the PDF with no visible degradation (ideal for archiving). Medium reduces embedded images and fonts (good balance). Strong compresses to the maximum, sometimes with a slight visual quality loss.
My PDF contains forms/signatures. Will they be preserved?
Yes, interactive forms and annotations are preserved in Light and Medium levels. Strong mode may affect some interactive elements.
Is the resulting PDF a real PDF?
Yes, the output file is a standard PDF, compatible with all readers (Adobe Reader, macOS Preview, Windows, etc.).
Are my documents confidential?
Your files are encrypted in transit and automatically deleted from our servers after 1 hour. We never read or share the content of your documents.
How to send a large PDF by email?
Compress your PDF with AwesomeToolkit before sending. Most email clients limit attachments to 10–25 MB. With Medium or Strong compression, you can reduce a 50 MB PDF to under 5 MB in seconds, with no loss of readability.