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Text Compressors

Compress text payloads using GZIP and LZ-String for localStorage, cookies, and URL query parameters — entirely in your browser. Reduce storage overhead and URL length without server-side processing.

Text Compressors

2 tools

Text Compressor (GZIP)
Compress any plain text using GZIP via the browser CompressionStream API — shows compressed size and ratio, outputs Base64-encoded GZIP string. Free online GZIP text compressor.
URL Compression Tool
Compress long URLs by encoding data payloads in GZIP + URL-safe Base64 query parameters — shows before/after URL length. Free online URL compression tool, no signup required.