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120 free browser-based developer utilities. No sign-up required.

Which is more popular?
Based on our record, Squoosh seems to be more popular. It has been mentioned 203 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | devtoolstack.io | squoosh.app |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of DeveloperToolStack yet.
Overall verdict
Why this product is good
Recommended for
Web developers, designers, bloggers, and anyone needing to optimize images for the web, particularly those concerned about maintaining image quality while reducing file size.
Walkthroughs and reviews on video.
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DeveloperToolStack and Squoosh. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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The only negative thing about this web app, is that it's not clear which formats are supported in which browsers.
Recommendations tracked on public social media and blogs since March 2021.


Tracking DeveloperToolStack since Aug 2026.
Use Squoosh for an interactive local comparison, your CMS's image pipeline, or a hosted tool such as TinyImage. Choose the processing model that fits the image and your workflow. - Source: dev.to / about 1 month ago
WebP/AVIF over PNG/JPG: Converted all icons to WebP (using Squoosh) – average size reduction of ~60% (e.g., a 40KB PNG icon became 15KB WebP). - Source: dev.to / about 1 month ago
It often comes down to compat, and developer requests. Personally I find in-browser encoding for images inadequate, because it doesn't expose enough options. When we built https://squoosh.app/, we exposed the browser encoders for... - Source: Hacker News / 3 months ago
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