Embedded images are downsampled and recompressed as JPEG. Text and vectors stay intact. Best results on scan- or photo-heavy PDFs.
Drop PDFs to compress
or click to browse PDF files
Files stay on this device
Compress PDF Online
Reduce PDF file size by downsampling embedded images. Text stays selectable. No uploads.
Keep selectable text
Only embedded images are downsampled and recompressed. Text stays searchable and copyable.
Choose a quality preset
High, Medium, or Low controls target DPI and JPEG quality so you can balance clarity and size.
Private by design
Compression runs locally in your browser. PDF contents are never uploaded to a server.
PDF compression questions
Answers about file size, selectable text, privacy, and what this tool can compress.
From the PixelShift blog
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