Base64 for Files: Data URIs, Binary Transport & the 33% Overhead
What types of files you can send as Base64, how much Base64 size overhead costs, when to use data URIs, and Base64 vs binary for storing and sharing documents.
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All articles about documents: 2 practical guides and tutorials from our free, privacy-first online tools.
Compress PDF for Email: Hit the Right File Size
Learn how to compress PDFs for email attachments with practical size targets, preset choices, quick validation steps, and common mistakes to avoid.
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