bnto
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bnto

Free tools that run in your browser. Compress, clean, convert, rename, or build your own. Free, instant, runs in your browser.

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Image

  • Compress Images
  • Resize Images
  • Convert Image Format
  • Optimize Images for Web
  • Generate Thumbnails
  • Compress & Rename
  • Strip EXIF
  • Watermark Images

Data

  • Clean CSV
  • Rename CSV Columns
  • CSV to JSON
  • Merge CSV
  • Standardize CSV

File

  • Rename Files

Company

  • Privacy
  • GitHub

MIT Licensed. Browser recipes free forever.

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Files
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Configure
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Results

Generate Thumbnails Online Free

Resize images to thumbnail size, convert to WebP, and add a prefix. Free, no signup.

Drag & drop files here

or click to browse · accepts JPEG, PNG, or WebP images