benchmark · AVIF quality benchmark
AVIF can become very small, but aggressive quality settings need careful review.
Benchmark notes
| Quality | Output size | Change from q70 | Useful first test | Caution |
|---|---|---|---|---|
| 70 | 380 KB | Baseline | High quality AVIF | Support must be checked |
| 60 | 287 KB | -24% | Balanced AVIF | Check browser and CMS |
| 50 | 133 KB | -65% | Small web image | Review texture |
| 40 | 40 KB | -89% | Aggressive target | Visible loss likely |
| 30 | 6 KB | -98% | Stress test only | Too low for many photos |
ImgShrink generated four repeatable samples with sharp: a photo-style gradient, a UI screenshot, a transparent graphic and a flat color illustration.
Each output was encoded with the stated format and quality setting, then measured by byte size before being rounded for the table.
Photo sample: 1600x1067 pixels. Screenshot sample: 1365x768 pixels. Transparent sample: 512x512 pixels. Flat graphic sample: 1200x800 pixels.
WebP used quality 78 for the cross-format table, AVIF used quality 50, and JPEG baselines used quality 90 unless a quality row states otherwise.
Quality 50 reached 133 KB.
Quality 40 dropped sharply to 40 KB.
Quality 30 was tiny but mainly useful as a stress test.
These values are benchmark results for the sample set, not a promise for every uploaded file.
Real images vary by noise, detail, transparency, dimensions, browser encoder and the target platform's accepted formats.
No. They are measured sample results that help choose a first setting to test.
No. They use generated samples and browser-style encoding assumptions.
Updated October 8, 2026 · Source checked: 2026-10-08
Compare measured JPEG, WebP and AVIF output sizes for photo, screenshot, transparent and flat graphic samples.
WebP Quality BenchmarkCompare WebP quality 90, 80, 70, 60 and 50 on the same photo-style sample.
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