Your files stay on your device Open a Zstandard file Open a .zst file. Zstandard fileDrop a file hereNothing is uploadedChoose file Decode only, on purpose: this build ships the zstandard decoder and no encoder: nothing half-ships. The magic bytes (28 B5 2F FD) are checked before the decoder runs, so wrong files fail with a name, not a crash. More PDF & file tools - Gzip files (/files/gzip) - Brotli files (/files/brotli) All PDF & file tools (/files) Canonical HTML: https://nutter.tools/files/zstd/ Markdown version: https://nutter.tools/files/zstd/index.md Plain-text version: https://nutter.tools/files/zstd/index.txt Agent index: https://nutter.tools/llms.txt