
DevTools Advanced
FullStackToolkit
DevFinanceTools
JSON Formatter & Validator
AllDevToolsHub
Boop
DeveloperTools.Tech
120 free browser-based developer utilities. No sign-up required.
TwelveLabs
Gemini
Chat with your videos. A conversational video AI to find scenes, turn video to text, generate captions/metadata, and export highlight clips — fast.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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VA
Valossa Assistant
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|---|---|---|
| Website | devtoolstack.io | valossa.com |
| Pricing | — | |
| Listed in |
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Free, no-signup developer tools for technical SEO: robots.txt, sitemap.xml and .htaccess generators, plus practical guides. Everything runs in your browser.
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Gemini, formerly known as Bard, is a generative artificial intelligence chatbot developed by Google. Based on the large language model (LLM) of the same name, it was launched in 2023 in response to the rise of OpenAI's ChatGPT.
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Free, no-signup calculators for the money side of building software and freelancing
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The JSON Formatter was created to help with debugging.
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