Compress PDF without uploading to any server
Reduce PDF file size directly in your browser with WebAssembly. No sign-up, no size limit.
100% Private
Your PDF never leaves your device. Powered by WebAssembly.
No size limit
No limit imposed. Only your device RAM.
Smart compression
Compresses images inside the PDF while keeping text and vectors intact.
Preguntas Frecuentes
Does CompressWizard upload my files?▼
No. Everything is processed in your browser using WebAssembly.
How much can I reduce a PDF?▼
PDFs with JPEG images can be reduced by 40-80%. Text-only PDFs have less margin.
Does it work offline?▼
Yes. Once the page loads, you can disconnect.
Is there a file size limit?▼
No limit imposed by us. Only your device RAM.
Does it reduce text quality?▼
No. Only embedded images are compressed. Text and vectors remain intact.
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