Use our free Gzip/ZLib Decompress Online tool to quickly decompress Gzip or ZLib compressed strings. This utility is essential for developers, system administrators, and anyone needing to inspect compressed data. Compressed Data Decompression Options Attempt Base64 decode first Decompression Method Auto-detect (recommended) Gzip Zlib Raw Deflate Enable strict mode (reject invalid UTF-8 or short garbage text) When enabled, decompressions that produce invalid UTF-8 or less than 2 readable characters are rejected as invalid.Decompressed text will appear here. Bookmark this tool