Reduce your PDF file size with three compression levels: Low (best quality), Medium (balanced), and High (smallest file). See a before-and-after comparison showing exactly how much space you saved. All processing happens in your browser — your files never leave your device.
Drop a PDF file here or click to upload
Upload your PDF to ConvertFree's PDF Compress tool, select a compression level (Low, Medium, or High), and click Compress PDF. The compressed file will be ready to download instantly. No sign-up or payment needed.
The amount of compression depends on the PDF content. PDFs with embedded fonts, metadata, and redundant objects can see significant reductions. The tool strips unnecessary metadata and uses object streams for smaller files.
The Low and Medium compression levels preserve all visual content. High compression removes metadata like author, title, and subject fields but keeps the visual content intact. Image quality within the PDF is not altered.
Yes. ConvertFree processes everything in your browser using JavaScript. Your PDF files never leave your device and are never uploaded to any server. Your data stays completely private.
Three levels: Low (best quality, strips minimal data), Medium (balanced -- removes producer/creator metadata, uses object streams), and High (smallest file -- strips all metadata fields and uses object streams).
No. The tool works entirely in your web browser with no downloads or plugins needed. It runs on Chrome, Firefox, Safari, Edge, and mobile browsers.