How to compress a PDF offline on iPhone or Android
Make a smaller copy for a size-limited upload or message without sending the PDF to a Papmio processing server.
These steps describe Papmio’s current free app. Tool placement may vary by device. You do not need an account to use the document tools.
Preserve your original PDF
Keep the source file unchanged. Compression can reduce quality and flatten document structure, so work with a separate output.
Open the compression tool
Choose the local document in Papmio and open Compress from the available PDF tools.
Create the compressed copy
Run compression and save the result with a distinct name. A file that is already optimized may not become much smaller.
Inspect the result
Zoom into small print, tables and images. Check every important page. If the document contained forms or annotations, verify the output still suits your purpose.
Compare the size and share when ready
Check the saved file’s size against your destination’s limit. Use a higher-quality source or another output if the text is no longer legible.

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