
TinyPNG
Screaming Frog SEO Spider
iLoveIMG
Sitechecker
ImageOptim
Lumar
My File Tool
Free online tools for developers and site owners: compress and convert images to WebP/AVIF, PDF to images, text checker and a 400-point SEO audit. No sign-up.

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 | app-kit.dev | squoosh.app |
| Pricing | ||
| Company | 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


App-Kit is a set of free web tools for developers and site owners. Compress JPG, PNG and GIF to WebP or AVIF, convert HEIC, resize and crop, turn PDF pages into images, check a text for readability and keyword stuffing, and run a 400-point SEO audit that returns a 0-100 score and a PDF report. No...
No description of Squoosh yet.
What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of App-Kit.dev 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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Jumbo Squoosh-o’s Review! #SLIMESTAGRAM #JumboSquooshos
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using App-Kit.dev 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 App-Kit.dev since Oct 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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