How to use Compress PDF
- Choose a PDF.
- Run lossless optimization.
- Compare sizes and download the smaller file.
Processed on your device
Compress PDF
Reduce unnecessary PDF structure without changing page appearance: streams are recompressed and unused objects removed. You see the exact before and after sizes — and if the file isn't smaller, you're told so and keep your original.
Your files stay on your device. No account. No upload.
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Files you choose stay on this device.
Your file stays on your device
Compress PDF runs entirely in this browser tab. The PDF is read from your device, processed here, and saved back to your device. It is not uploaded, and LittleOrMore never receives it. How privacy works
Questions
Are my files uploaded?
The file is read and processed by this browser tab. It is never uploaded to LittleOrMore or anyone else.
Why didn't my file get smaller?
Lossless optimization cannot shrink files that are already well optimized, or files whose size is mostly photos. You'll be told plainly, and offered your original.
Does it reduce quality?
No. Text, vectors and images are kept exactly as they are; nothing is rasterized or downsampled.