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OneFileConverter
Image

Find the smallest format for an image

Every picture compresses differently. Test the modern formats on yours and keep whichever comes out smallest.

Formats
JPG, PNG, WEBP +5
Max size
100 MB
Price
Free

Drop a file here

or browse your device

JPG, PNG, WEBP, AVIF, HEIC, GIF, BMP, TIFF · up to 100.0 MB per file

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How to find the smallest format for an image

  1. Add one image.
  2. Nothing to set.
  3. Click Compare — see each format's size and download the smallest.
Are my images safe?

Yes. Your images are only used to create your result — they’re never shared and never used to train AI.

Are the formats compared at the same quality?

At comparable settings: JPG and WebP at 80%, AVIF at 62% (which looks similar) and lossless PNG. Results are a fair guide, not a lab measurement.

Why is JPG missing sometimes?

JPG can't store transparency, so it's skipped for images that have transparent areas.