Compress PDF
Reduce PDF file size right inside your browser. Tune quality vs. size with a slider, then download the smaller file — no server ever involved.
No account needed · zero uploads, verifiable in DevTools
Open DevTools → Network while converting. You'll see zero outbound requests. Every byte stays inside your browser tab.
No. Compression runs entirely in your browser using WebAssembly. Your PDF never leaves your device — you can verify this by opening DevTools → Network while compressing.
Results vary by content. Image-heavy PDFs (scans, brochures, photos) often shrink 40–80%. Text-only PDFs have less room to compress and may only shrink 10–20%.
Yes. A quality slider lets you trade off file size against visual quality before you download. Start at 75 — only go lower if you need to meet a strict size limit.
At moderate settings (70–80), the difference is usually unnoticeable on screen. At high compression (below 50), embedded images may soften slightly. Text and vector graphics are unaffected.
Yes. Because everything runs locally in your browser, sensitive documents never touch any server. Compression is safe for medical records, legal documents, and financial files.
No. Compression targets embedded image data only. All text, fonts, bookmarks, form fields, and document structure remain fully intact.