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ImgSmaller

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ImgSmaller is a privacy-first image compression tool that lets you compress JPG, PNG, and WebP images directly in your browser. No data leaves your device thanks to our Zero-Upload Mode. If your browser doesn't support this, the image is temporarily uploaded to our server...

Main Compression Interface (Before Upload)-The main interface of ImgSmaller, where users can drag and drop images for compression. A toggle for "Zero-Upload (100% Privacy Mode)" ensures all processing happens on the user’s device. The user can set target file size, choose from JPG, PNG, WEBP, AVIF formats, and crop before compressing. Clean and minimal layout designed for speed and security.

Cost / License

  • Free
  • Proprietary

Platforms

  • Online
Before vs After Compression Preview-A side-by-side preview showing the original vs. compressed image, demonstrating ImgSmaller’s quality-preserving compression. Users can interact with a slider to compare both versions in real time. At the bottom, users can view size details, download the compressed image, or compress another.
Crop Image Interface-ImgSmaller's advanced cropping tool lets users easily select a specific area of their image before compressing. Features include manual width/height input, aspect ratio lock, rotate, and reset. Designed for precision and ease of use, especially helpful for ID photos and document scans.
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ImgSmaller was added to AlternativeTo by ImgSmaller on and this page was last updated .

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What is ImgSmaller?

ImgSmaller is a privacy-first image compression tool that lets you compress JPG, PNG, and WebP images directly in your browser. No data leaves your device thanks to our Zero-Upload Mode. If your browser doesn't support this, the image is temporarily uploaded to our server and deleted automatically after 30 minutes.

Key features:

💡 Zero-Upload Mode (no data ever sent to server)

🔒 Auto-deletion of files after 30 minutes (fallback mode)

📦 Compresses JPG, PNG, WEBP (AVIF support coming soon)

🖼? No watermark, no account required

🔐 100% privacy-focused — no file tracking, no metadata stored

? Lightning-fast compression with clean UI

? Supports all modern browsers

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