Compress PDF to 500 KB
Bring your PDF under 500 KB at the highest quality that fits. Everything is processed locally in your browser — no upload.
Drop a PDF file here
or click to browse · PDF files only
Why a 500 KB limit?
Half a megabyte is a common ceiling in professional contexts: procurement and tender platforms, insurance claim uploads, court e-filing systems, and corporate tools that cap attachments per document. It's also a sensible self-imposed limit when a recipient's inbox rejects large mails and you're sending several PDFs at once.
At this size you rarely need to sacrifice much: 500 KB fits a full multi-page scanned document at clearly readable quality. The tool steps through compression levels automatically and stops as soon as your file is under the limit — you get the mildest compression that does the job.
What fits into 500 KB
Around 8–15 scanned pages at solid readability, or practically any length of digital-text document. Some practical notes:
- Mixed documents do well. Reports with text and a few photos usually land comfortably under 500 KB with barely visible quality loss.
- Batch uploads: if a platform caps each file at 500 KB but accepts several files, split your document into logical parts and compress each — the per-part quality will be higher.
- Already-small files: if your PDF is 600 KB of pure digital text, compression to 500 KB rasterizes it for little gain — check whether the platform accepts it as-is first.
How to compress your PDF to 500 KB
- Open your PDF. Drop it into the box above — the current size is shown immediately.
- Compress. The target "Under 500 KB" is already selected. Click Compress PDF.
- Download. Check the before/after size and save the copy. Your original stays untouched.
Frequently Asked Questions
Who typically requires files under 500 KB?
Tender and procurement platforms, insurance claim systems, court e-filing, and corporate document tools. It's also a safe size for email attachments to strict mail servers.
How many pages can 500 KB hold?
Roughly 8–15 scanned pages at clearly readable quality — and far more for digital-text documents.
Is quality visibly worse at 500 KB?
For typical documents, barely. The tool applies the mildest compression that gets under the limit, so short documents keep near-original sharpness.
Are contract scans safe here?
Yes — compression runs entirely on your device. No upload, no server copy, no account.
Is this free?
Yes, completely — funded by unobtrusive ads, with no limits or watermarks.