Reduce the size of your PDF so it is easy to email and upload — without destroying quality.
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application/pdf · up to 20 MB · max 10 files
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Large PDFs are a hassle: they bounce off email size limits and upload slowly. Compressing a PDF reduces its file size so it is portable while staying readable.
Toolkit compresses PDFs locally by optimizing embedded images and removing redundant data, all without sending your file anywhere.
It depends on the content. Image-heavy PDFs shrink the most. Text-only PDFs are already small.
Yes — compression runs in your browser; files are never uploaded.