New file formats, tools, and updates on TrueFileSize https://truefilesize.com/changelog en-us Fri, 02 May 2025 00:00:00 GMT Searchable glossary of encoding, compression, image, video, audio, web, and security terminology with A-Z navigation. https://truefilesize.com/glossary Fri, 02 May 2025 00:00:00 GMT New Tool Interactive compatibility table for 29 formats across 6 browsers with auto-detection. https://truefilesize.com/browser-support Fri, 02 May 2025 00:00:00 GMT New Tool File security checklist, zip bomb prevention, image formats cheat sheet, Cypress/Playwright testing, and 7 error fix guides. https://truefilesize.com/blog Thu, 01 May 2025 00:00:00 GMT New Content Search MIME types by extension or string with copy button, magic bytes, and sample file links. https://truefilesize.com/tools/mime-type-lookup Thu, 01 May 2025 00:00:00 GMT New Tool Measure download speed with CDN files from 1MB to 100MB. Speed gauge, history, tier comparison. https://truefilesize.com/tools/speed-test Thu, 01 May 2025 00:00:00 GMT New Tool AVIF, HEIC, FLAC, MKV, TAR.GZ, TAR.BZ2, TTF/OTF/WOFF2, EPUB, Markdown, YAML, TOML, SQLite, Parquet, Log, HTML, and corrupted test files. https://truefilesize.com/changelog Wed, 30 Apr 2025 00:00:00 GMT New Format