Shrink PDF file size for email, sharing, or storage — without sacrificing readability. Fast, private compression that runs entirely in your browser.
Features
Everything you need, nothing you don't.
Smart compression removes redundant data without visible quality loss
Get files under common email attachment limits instantly
Inkwell automatically applies the optimal compression level
Files processed locally — never uploaded to a cloud server
How to use it
No setup. No learning curve. Just results.
Drop the PDF you want to compress onto the tool.
Click compress — Inkwell applies optimal compression automatically.
Your smaller PDF is ready to download in seconds.
FAQ
Everything you need to know.
It depends on the content — image-heavy PDFs can be reduced by 50–80%. Text-only PDFs compress less but still meaningfully.
Inkwell uses lossless compression where possible. Visual quality is preserved for typical documents.
Yes — scanned image PDFs are often the ones that benefit most from compression.
Yes — compress PDFs free up to your plan's daily limit. No credit card required to start.
More tools
All tools. One place. All private.
Free to start. No account needed for basic use. Your files never leave your browser.
Use Compress PDF Files free