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Saor Comhbhrúiteoir PDF

Comhbhrúigh comhaid PDF chun a méid a laghdú. Gan aon chaillteanas cáilíochta, gan teorainn le méid comhaid.

Gan teorainn méid comhaidFanann comhaid príobháideachNíl gá le logáil isteachSaor in aisce go deo

Buail comhaid anseo, nó cliceáil chun brabhsáil

PDF gan teorainn méid comhaid

Brabhsáil comhaid

Ní fhágann do chomhaid do ghléas riamh. Tarlaíonn gach próiseáil go háitiúil i do bhrabhsálaí.

💡 Scanned or image-heavy PDFs shrink the most with the image options. Text-only PDFs are usually already small — if nothing helps, we’ll tell you the file is already optimized rather than hand you a bigger one.

Optimize for your platform

Compress PDF for EmailCompress PDF for UploadCompress PDF for ArchivingCompress PDF for SharingCompress Legal PDF Documents

Conas a Oibríonn sé

Most "free PDF compressor" sites silently upload your PDF to their servers. Here, compression happens entirely in your browser using pdf-lib — a popular JavaScript library that reads and rewrites PDF files locally.

  1. 1
    You drop a PDF
    The file is read into your browser's memory as a byte array. Nothing leaves your device.
  2. 2
    pdf-lib parses the PDF structure
    PDFs are essentially containers of fonts, images, and instructions. pdf-lib reads the structure and identifies which embedded images can be re-encoded at lower quality to reduce size.
  3. 3
    Images are re-encoded at your chosen quality
    You choose the quality level. Embedded JPEG images are re-encoded with that quality setting. The lower the quality, the smaller the output PDF — but text and vector content remain unchanged.
  4. 4
    A new PDF is written and offered for download
    pdf-lib reassembles the PDF with the compressed images and writes the result to a new in-memory file. Click Download to save it locally.

Safe for contracts, tax returns, medical records, anything sensitive. Your PDF and its contents never reach our server — there is no server in this workflow.

Cén fáth ár gceann a úsáid?

✓Completely free — no hidden costs, ever
✓No account, email, or login required
✓Files stay on your device — processing happens in your browser
✓Works on any device — phone, tablet, desktop
✓No watermarks on any output
✓Browser memory limits may apply for very large files

Uirlisí Gaolmhara

Treocht
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Cumasc PDF

Cumaisc comhaid PDF i gceann amháin. Tarraing chun leathanaigh a athordú.

Bain triail asFanann comhaid go háitiúil
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Íomhá go pdf

Tiontaigh íomhánna go pdf. Athordaigh na leathanaigh, socraigh méid agus corrlaigh.

Bain triail asFanann comhaid go háitiúil
Treocht
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PDF Redactor

Black out sensitive text in a PDF for good. Pages are flattened to images so the hidden content is permanently destroyed — not just covered. Runs entirely in your browser.

Bain triail asFanann comhaid go háitiúil
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