How to Reduce PDF File Size on Android and iPhone
Learn how to compress and reduce PDF file size on Android and iPhone directly in your browser, for free and with complete privacy powered by WebAssembly.
## The Challenge of Large PDF Files on Mobile Devices Nowadays, most administrative procedures, job applications, and document submissions are handled directly from our smartphones. However, scanning documents using your phone's camera or saving high-resolution exports often results in PDF files that exceed 5MB or 10MB. This excessive file size causes failures when uploading to government portals, corporate job boards, or email systems that enforce strict size limits such as 1MB, 500KB, or even 200KB. ## Traditional Methods vs. In-Browser Mobile Compression Historically, solving this issue on
