Input
The case uses the same generated image sample set as the benchmark pages so the file sizes can be reproduced.
No visitor image is used, uploaded or stored for this case study.
case-study · reduce product image size case study
Reduce a Product Image from 1.37 MB to 346 KB
This case shows a measured path for reducing a product-style image while keeping a usable web result.
Case result
- Input: photo-style JPEG at 1.37 MB.
- Steps: compare JPEG quality and WebP quality outputs.
- Output: WebP q80 at 346 KB.
- Limit: product texture still needs visual review.
Input, steps, output and limits
| Stage | Setting or check | Measured result | Decision | Limit |
|---|---|---|---|---|
| Input | JPEG q100 photo-style sample | 1.37 MB | Needs compression | Too large for many product grids |
| Step | JPEG q80 | 303 KB | Good fallback | JPEG only |
| Step | WebP q80 | 346 KB | Modern web candidate | Check platform support |
| Output | Choose WebP q80 or JPEG q80 | 346 KB or 303 KB | Pick by destination | Visual review required |
Steps
The workflow records the original format and size, tests one or more output settings, checks the visible result and keeps the smallest result that still fits the task.
The related benchmark link explains the format or quality setting behind the choice.
Output
Input: photo-style JPEG at 1.37 MB.
Steps: compare JPEG quality and WebP quality outputs.
Output: WebP q80 at 346 KB.
Limit: product texture still needs visual review.
Limits
This is a measured task example, not a guarantee for every file.
Images with more texture, transparency, text, animation or platform rules can need different settings.
Updated October 8, 2026 · Source checked: 2026-10-08
- Source type
- Project benchmark model and browser compression tests
- Review scope
- Checked the reference ranges against sample categories such as photos, screenshots and mixed web graphics.
- Use with this limit
- Numbers are planning ranges, not guaranteed output for every image or browser version.
Related tools and benchmarks
JPEG Quality Benchmark
Compare JPEG quality 100, 90, 80, 70 and 60 on the same photo-style sample.
WebP Quality BenchmarkCompare WebP quality 90, 80, 70, 60 and 50 on the same photo-style sample.
Compress Image OnlineCompress JPG, PNG, WebP and AVIF images in your browser. Reduce image file size privately with adjustable quality and instant downloads.
Convert JPG to WebPConvert JPG images to WebP in your browser for smaller web-ready files. No upload required.
Compress JPG OnlineCompress JPG photos locally in your browser with quality and width controls. No uploads, accounts or watermarks.