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Drag & drop PDF file here
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PDF · processed in your browser, never uploaded
How it works
- 1Select the PDF you want to shrink.
- 2Click Compress — each page is re-encoded at a smaller size.
- 3The smaller PDF downloads instantly.
When this helps
- Reduce an attachment that exceeds a mail or form-upload size limit.
- Shrink a scan created with the Notes or Files app before sharing it.
- Save storage when an image-heavy PDF is much larger than it needs to be.
Tips for a clean result
- Compression helps scans and photo-heavy PDFs most; text-only documents may already be compact.
- Keep Safari open during processing because large PDFs need more time and device memory.
Frequently asked questions
How much smaller will it be?+
It depends on the content; scanned and photo-heavy PDFs shrink the most. If we can't beat the original, you get the original back.
Will the text stay selectable?+
Compression re-encodes pages as images, so text becomes part of the image. Use it when small size matters most.