Compress PDF
Reduce PDF file size while maintaining readability.
Processed locally — files never leave your device
PDF · Max 30MB
Drop a file here, or browse
How it works
Upload your PDF file
Adjust the quality slider — lower means smaller file
Click Compress and download the lighter PDF
About Compress PDF
Reduce PDF file size for email attachments, uploads, or faster sharing. Adjust the compression level to balance between file size and visual quality. Great for scanned documents and image-heavy PDFs. Powered by JustUse.me — free, ad-free, and private. This tool runs entirely in your browser. Your files are never uploaded to any server.
Frequently asked questions
How much can I reduce the PDF size?
Typically 50-80% for image-heavy PDFs. Text-only PDFs may see less reduction since they're already compact.
Will the text still be selectable after compression?
The compression converts pages to optimized images, so text won't be selectable in the output. Best for documents you need to share or archive, not edit.
Is my PDF uploaded to a server when I compress it?
No. Compression runs entirely in your browser. Your PDF data never leaves your device, which is important for confidential or sensitive documents.
Can I compress a PDF to under 1 MB for email?
In most cases, yes. Use the lower quality settings on the slider to achieve the smallest possible file size. Image-heavy PDFs can often reach under 1 MB.
Why JustUse.me for Compress PDF?
Tools like Smallpdf and iLovePDF upload your document to their servers to process it. JustUse.me compresses PDFs directly in your browser, so your file never leaves your device. No account, no watermark, and no risk of your private documents being stored on someone else's server.