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Zapixal icon

Zapixal

Fast, 100% offline, privacy-first image compressor and HEIC/WebP converter running locally in your browser via WebAssembly.

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Cost / License

  • Free
  • Open Source

Application type

Platforms

  • Online
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Features

Properties

  1.  Privacy focused
  2.  Lightweight
  3.  User friendly

Features

  1.  Batch Editing
  2.  Portable
  3.  Hardware Accelerated
  4.  Works Offline
  5.  Dark Mode
  6.  Batch Rename Files
  7.  Live Preview
  8.  No registration required
  9.  No Tracking
  10.  Image Optimizer
  11.  Client-side
  12.  Web-Based
  13.  Image Conversion
  14.  Image Processing

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AlternativeTo Categories

Photos & Graphics, System & Hardware, File Management

GitHub repository

  •  1 Stars
  •  0 Forks
  •  0 Open Issues
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What is Zapixal?

Zapixal is a free, privacy-focused online image compressor and format converter designed to process your files entirely inside your browser.

Unlike traditional cloud-based image converters that upload your images to remote servers, Zapixal leverages WebAssembly (WASM) and Web Workers to process all files 100% locally on your machine. Your sensitive photos, documents, and designs never leave your browser.

Key Features: 100% Client-Side Processing: Zero server uploads—complete data privacy and security.

Fast Compression & Conversion: Batch process images instantly with hardware-accelerated WebAssembly.

Multiple Format Support: Convert HEIC, WebP, PNG, JPEG, and AVIF formats seamlessly.

Works Offline: Once loaded, you can compress and convert images even without an active internet connection.

No File Size Limits: Process high-resolution images without restrictive server quotas or registration requirements.

Zapixal is a fast, lightweight, and private alternative to server-based converters like TinyPNG, ILoveIMG, and Convertio.