Compress PDF
Reduce PDF file size while maintaining readability. Ideal for email attachments and web upload limits.
Upload your PDF to compress
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Compression works by re-rendering pages at optimised resolution. Text remains readable; scanned documents compress best.
How to Use Compress PDF
01
Upload your PDF
02
Choose compression level (low/medium/high)
03
Download the compressed PDF
Why Use This Tool
100% Private
Your data never leaves your browser. Nothing is uploaded to any server.
Instant Results
Modern browser APIs deliver results in milliseconds with no waiting.
Free Forever
No subscriptions, no credits, no paywalls — ever.
Frequently Asked Questions
How much can I compress a PDF?
Typically 20–70% size reduction depending on content. Image-heavy PDFs compress the most.
Will text remain readable?
Yes — text is always preserved at full quality.
Is there a size limit?
Up to 50 MB.
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