Compress PDF to 100KB
Reduce a PDF toward a 100KB target for upload portals and email limits.
About, use cases, and privacy
About Compress PDF to 100KB
Compress PDF to 100KB is built for the specific pdf file to pdf near 100kb workflow, not a generic upload page. Use it for upload limits, email attachments, portals, forms, and document packets that need a smaller PDF.
Processing happens locally in your browser where the selected format is supported, so files do not need to be uploaded for the normal workflow. The tool shows file details, output status, download actions, and practical warnings when a browser cannot safely decode or encode a format such as HEIC, TIFF, AVIF, or encrypted PDF.
Best practice: check the exported PDF before sharing, because scanned PDFs and already optimized files may not shrink much in the browser.
Frequently Asked Questions
The tool rewrites the PDF structure locally with pdf-lib. It does not upload your document to a compression service.