How it works: the tool re-renders every page as an optimized image, which
dramatically shrinks photo-heavy presentations. The trade-off: the text on each page
becomes part of the image, so it is no longer selectable or searchable in the output.
For decks you send by email, that is usually fine.
Drag your PDF files here
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Compression level
What this tool does
- It shrinks PDF files (typically photo-heavy presentations) so they fit through email.
- Each page is re-rendered as an optimized image (JPEG format), then the pages are reassembled into a new PDF.
- Three levels to choose from: "Light" (the smallest, recommended for email), "Balanced", "High quality".
- You can process several PDFs at once; multiple files come back bundled in a ZIP.
- The text becomes an image. After compression, the pages' text is no longer selectable or searchable. For a presentation to send, that is usually acceptable; for a document whose text must be copied, this is not the right tool.
- Image quality drops slightly ("lossy" compression). The preview of page 1 shows you the result before downloading.
- The original is never modified. The produced file bears a distinct name (e.g. mydeck-compressed-2026-07-18.pdf).
- Nothing is silently fixed. A page that cannot be converted is reported and listed; a password-protected file is refused with a clear message; if the result is heavier than the original (already-optimized presentation), it says so.
- Rule-of-thumb "too big for email" threshold: 10 MB. Many mail servers refuse anything larger; some accept up to 20–25 MB.