Compress PDF to 500KB
Compress a PDF to 500KB or less while keeping it sharp. A good balance of quality and size for forms, email and e-filing.
- 100% free, unlimited
- No signup
- No watermark
- Files never leave your device
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Frequently asked questions
Everything about compressing PDFs, sizes and privacy.
How do I compress a PDF to 500KB?
Drop the PDF into the tool at the top of this page. The target is already 500KB. The compressor finds the highest quality version under 500KB and gives you a download link in seconds.
Can a PDF look good at 500KB?
Yes. 500KB is enough for most text documents of any length and for roughly ten to fifteen scanned pages at clearly readable quality.
How big is 500KB compared to 1MB?
1MB equals 1024KB, so 500KB is about half a megabyte. If a website says the maximum is 0.5MB, compressing to 500KB is safe.
Can I compress a PDF to 500KB on my phone?
Yes. Open this page in your phone's browser, tap Choose PDF files, pick the document and download the result. It works the same on iPhone, iPad and Android.
Is it really free and unlimited?
Yes. There is no file size limit, no daily limit, no number of files limit, no signup and no watermark. Compression runs on your own device, so there is nothing to pay for and nothing to cap.
Are my files uploaded anywhere?
No. Your PDF is compressed inside your browser and never leaves your device. That makes it safe for ID cards, contracts, bank statements, medical records and anything else you would not want on a stranger's server.