
TinyPNG
Screaming Frog SEO Spider
WordCounter.net
cleanmyseo
Countwordsfree
Craft and Rank
FullStackToolkit
31 free SEO and web tools: 301 redirect generator, image optimizer, word counter, sitemap crawler, schema markup and more. No signup, mostly in-browser.

CyberChef
DevToys
JSON-Formatter.app
CodeTray.dev
CodifyFormatter.org
Devrian.in
DuskTools.app
Fast, private developer tools in your browser. JSON formatter, Regex tester, Cron generator, and 17 more.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | pure-seo.com | codeutil.dev |
| Pricing | ||
| Company | 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


PureSEO bundles the small jobs that come up every week when you run a website into one place, with no account, no paywall and no daily limits. Technical SEO: 301 redirect generator (exact-match .htaccess rules, Nginx location blocks or PHP, single or bulk), XML sitemap generator with a crawler...
CodeUtil.dev is a collection of 20+ browser-based developer tools. JSON formatter & validator, regex tester, cron expression generator, Base64 encoder/decoder, JWT debugger, URL parser, hash generator, and more. Everything runs client-side — no data leaves your browser. No sign-up needed,...
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 Pure-SEO yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Pure-SEO and CodeUtil.dev.
CodeUtil.dev's answer:
CodeUtil.dev runs entirely in the browser — all processing happens on your device, so your data never touches a server. It bundles 20+ tools (JSON, regex, Base64, JWT, cron, hashing, and more) under one roof with zero sign-up. Just open the page and start working.
Share your experience with using Pure-SEO and CodeUtil.dev. For example, how are they different and which one is better?
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Make your website faster and save bandwidth. TinyPNG optimizes your PNG images by 50-80% while preserving full transparency!
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The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links...
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A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
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Count words, sentences, paragraphs etc.
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json-formatter.app is a free online tool that offers one-click copying, direct file conversion, and downloads. With open-source code and multilingual support, it features JSON beautification and parsing, as well as conversion to other formats like XM
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