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ailternative

Best fflate Alternatives ranked by AI · updated Aug 2026

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fflate is a compact JavaScript compression library supporting ZIP, GZIP, and DEFLATE operations in browsers and Node.js. It targets developers who prioritize speed, small bundles, and synchronous or asynchronous compression.

Developer: 101arrowz Price: Free 🎯 github.com/101arrowz/fflate
🔓 Open Source 💻 JavaScript Compression zip

Top 6 fflate alternatives

1

Jszip

Stuart Knightley and contributors

JSZip is a JavaScript library for creating, reading, and modifying ZIP archives in browsers and Node.js. It is aimed at web developers...

Pros

  • Runs in browsers and Node.js without native dependencies
  • Mature API with broad adoption and extensive documentation
  • Supports creating, reading, and modifying ZIP archives

Cons

  • Uses more memory than streaming-focused ZIP libraries
  • Slower than fflate for many compression workloads
  • Does not provide the strongest streaming support for very large archives

Free

Alternatives to Jszip → Visit site
2 Streamsaver.net logo

Streamsaver.net

Jimmy Wärting

StreamSaver.js is a JavaScript library for saving large streams directly to a user's filesystem from a web browser. It is aimed at...

Pros

  • Streams large files without requiring the complete payload in browser memory
  • Supports progress reporting and abortable downloads
  • Works with generated data and server responses through standard web streams

Cons

  • More complex to integrate than Blob-based download libraries
  • Depends on browser support for service workers and writable streams
  • Requires serving the library's service worker from an appropriate origin

Free, open source

Alternatives to Streamsaver.net → Visit site
3

Archiver

MacPaw

Archiver is a macOS utility for creating, browsing, splitting, encrypting, and extracting archive files. It is designed for users who want a...

Pros

  • Combines archive browsing with creation and encryption
  • Provides a more complete workflow than The Archive Browser
  • Supports splitting large archives and previewing contents

Cons

  • Paid, whereas The Unarchiver and Keka offer free options
  • Mac-only
  • Less suitable for command-line automation than 7-Zip

One-time purchase

Alternatives to Archiver → Visit site
4

zip.js

Gildas Lormeau

zip.js is a JavaScript library for reading and writing ZIP archives in browsers and JavaScript runtimes. It is designed for large files...

Pros

  • Stronger streaming support than JSZip for large archives
  • Supports Web Streams, workers, and random-access readers
  • Provides encryption and ZIP64-related capabilities

Cons

  • API is more complex than JSZip's for basic archive tasks
  • Larger conceptual and configuration footprint
  • Some advanced features require understanding different reader and writer types

Free

Alternatives to zip.js → Visit site
5

client-zip

Touffy

client-zip is a browser-focused JavaScript library for generating ZIP files from files, blobs, and streams. It is aimed at download interfaces that...

Pros

  • Designed specifically for efficient browser-side ZIP downloads
  • Can stream archive output with low memory usage
  • Small API focused on creating archives rather than editing them

Cons

  • More limited than JSZip for reading or modifying existing archives
  • Primarily targets browser-side ZIP creation
  • Provides fewer archive manipulation features

Free

Alternatives to client-zip → Visit site
6

ADM-ZIP

cthackers

ADM-ZIP is a Node.js library for creating, reading, updating, and extracting ZIP archives. It is aimed at server-side scripts and applications that...

Pros

  • Simple API for common Node.js ZIP operations
  • Supports creating, extracting, and updating archives
  • Requires no external binary ZIP utility

Cons

  • Node.js-focused rather than browser-compatible like JSZip
  • Synchronous operations can consume substantial memory
  • Less suitable for large archives or high-concurrency servers

Free

Alternatives to ADM-ZIP → Visit site

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