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Frequently Asked Questions
Answers to common questions about file compression
How much can a file be compressed?
On average, an image-heavy PDF shrinks 2-5x. Mostly-text documents compress less - there's already little redundancy.
Will the text remain readable after compression?
Yes. Compression is applied to embedded images with carefully picked quality. Text and fonts stay unchanged.
How does it differ from a zip archive?
An archive compresses the entire file and must be unpacked before viewing. PDF compression optimizes internal resources - the output opens directly in any viewer.
Which compression level should I pick?
For email - medium. For archiving - maximum. For printing, leave the quality high.