Compress PDF to 100KB
Compress PDF files online free. Reduce file size. Browser-based, private.
Drop a PDF here to compress — nothing leaves your browser.
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Compress PDF to 100KB
Compress a PDF to about 100KB for the strictest limits. Best for text scans and simple docs.
Why it matters: Smaller files are simpler to share, upload, and store — and working in the browser avoids server upload limits.
How to Compress PDF to 100KB
- Open the Compress PDF to 100KB tool and add your PDF (drag-and-drop or browse — it never leaves your device).
- Pick Tiny (aggressive) to get closest to the target size, or Smaller for a balance of size and quality.
- Click Compress PDF. Pages are re-rendered as optimized images, so the lighter file downloads instantly.
- Download the result — everything runs in your browser, nothing is stored or sent.
Frequently Asked Questions
Pick the lightest level; text-light files get closest to 100KB. Compression happens entirely in your browser, so the PDF never leaves your device. You can choose the compression level depending on your size and quality needs.
Some old portals cap at 100KB — this targets that strict ceiling. Compression happens entirely in your browser, so the PDF never leaves your device. You can choose the compression level depending on your size and quality needs.
Heavily photographic pages may not fit 100KB cleanly; text docs shrink best. Compression happens entirely in your browser, so the PDF never leaves your device. You can choose the compression level depending on your size and quality needs.
Yes, fully browser-side. Compression happens entirely in your browser, so the PDF never leaves your device. You can choose the compression level depending on your size and quality needs. The compressed PDF is ready to download immediately.
Yes. There is no charge, no account, and no watermark on the output. Compression happens entirely in your browser, so the PDF never leaves your device. You can choose the compression level depending on your size and quality needs.
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