Optimize PDF
Compress Images in PDF
Downsample and recompress embedded images to shrink image-heavy documents.
A conversion provider is required
Compress Images in PDF depends on native engines that cannot run in a browser or on the edge runtime. The provider layer is wired and ready — connect any provider below and this tool activates immediately with automatic fallback between them.
CloudConvert
CLOUDCONVERT_API_KEYCovers the full Office, image, e-book and OCR matrix through hosted LibreOffice, Ghostscript, ImageMagick and Tesseract workers.
Engines: LibreOffice · Ghostscript · ImageMagick · Poppler · Tesseract OCR · Calibre
Adobe PDF Services
ADOBE_PDF_CLIENT_SECRETHighest fidelity for Office round-trips and OCR. Used first for document conversions when credentials are present.
Engines: Adobe PDF Services
Self-hosted worker
PDF_WORKER_URLPoint the platform at your own container running LibreOffice, Ghostscript, qpdf and Tesseract for unlimited on-premise processing.
Engines: LibreOffice · Ghostscript · qpdf · PDFium · Tesseract OCR
How Compress Images in PDF works
- 1
Add your file by dragging them onto the drop zone or picking them from your device.
- 2
Adjust the options on the right until the result matches what you need.
- 3
Press “Run Compress Images in PDF”. Processing happens on your own machine, so speed depends only on your hardware.
- 4
Download the result individually or as a ZIP archive, then run the tool again with new files.
Good to know
- Accepted input: application/pdf
- Maximum file size: 200 MB per file
- One file at a time
- Nothing is stored, logged, or transmitted