Compression

33 Tools · Free Online Tool

• Gzip / Brotli Compressor

  Compress and decompress text with gzip and deflate streams.

• Deflate Compressor

  Deflate algorithm compress/decompress (native CompressionStream).

• Zlib Compressor

  Zlib format (RFC 1950) compress and decompress.

• Raw Deflate Compressor

  Raw Deflate stream without zlib header compress/decompress.

• LZ-String Compressor

  lz-string compress/decompress for short text in URLs/LocalStorage.

• LZUTF-8 Compressor

  LZUTF-8 compress/decompress optimized for UTF-8 text.

• LZMA Compressor

  LZMA/LZMA2 high-ratio compress and decompress.

• LZ4 Decompressor

  Decompress LZ4 frame data fully in the browser (pure JS, no WASM, no upload).

• LZW Compressor

  LZW dictionary compress/decompress (classic GIF algorithm).

• LZ77 Compressor

  LZ77 sliding window compress/decompress for learning.

• Run-Length Encoder

  RLE run-length encoding for data with repeated chars.

• Huffman Encoder

  Huffman coding compress/decompress based on frequency.

• Brotli Decompressor

  Decompress Brotli streams using DecompressionStream.

• Gzip Decompressor

  Decompress Gzip streams using DecompressionStream.

• GZ File Creator

  Package a file into a single .gz archive.

• TAR.GZ Archive Creator

  Package multiple files and gzip-compress to .tar.gz.

• TAR.GZ Archive Extractor

  Extract .tar.gz and list/download inner files.

• Brotli File Creator

  Compress data to a .br file with Brotli.

• ZIP Archive Creator

  Select multiple files to generate a .zip archive.

• ZIP Archive Extractor

  Upload .zip to extract and list/download files.

• ZIP Archive Viewer

  View .zip file list and sizes without extracting.

• TAR Archive Creator

  Package files into a .tar archive without compression.

• TAR Archive Extractor

  Extract .tar archives and list inner files.

• GZ File Extractor

  Decompress a single .gz file to restore content.

• Smaz Short-String Compressor

  Smaz algorithm for compressing short English strings.

• Shoco Text Compressor

  Shoco algorithm for lightweight English text compression.

• Compression Benchmark

  Compare multiple algorithms' ratio and time on same input.

• Text Compressor

  Universal text compression with auto-best-algorithm selection.

• Binary File Compressor

  Compress any binary file and download.

• Archive Inspector

  Auto-detect zip/tar/gz format and show structure.

• File Compressor

  Multi-format (gzip/deflate/brotli) file compressor.

• Minify & Compress Pipeline

  Minify (JSON/JS) then binary-compress for smallest size.

• Compression Ratio Calculator

  Calculate original vs compressed size ratio and savings.