
CodeTray.dev
DevsBox
DevToolKit.site
FreeToolkit
WebToolKit.tech
Webtools.takendrabam.com.np
29 free browser-based developer tools — JWT, regex, cron, timestamp converters, CSS generators, security checkers, and content generators. No sign-up required.
Browser Use
Perplexity Comet
Web AI Browser
Browserbase
Dia Browser
Agentic Browser
Scalebrowser
BrowserOS is an open-source agentic browser that runs AI agents locally. Your privacy-first alternative to Perplexity Comet.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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BOS
BrowserOS
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|---|---|---|
| Website | samtoolkit.com | browseros.com |
| Pricing | — | |
| Platforms | — | |
| Company | 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

SamToolkit is a free collection of 29 small, focused developer utilities across 7 categories — converters, debuggers, generators and reference tools. Everything runs client-side in your browser, so nothing you paste or type is ever sent to a server. There is no account, no sign-up and no paywall,...
No description of BrowserOS yet.
What each product offers, as listed by its team.

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

No analysis of SamToolkit yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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Can AI Agents Finally Automate the Web? (BrowserOS Review)
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using SamToolkit and BrowserOS. For example, how are they different and which one is better?
When comparing SamToolkit and BrowserOS, you can also consider the following products.
Fast, free developer tools. JSON formatter, Base64, JWT, Regex and more. Runs 100% in your browser.
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Affordable stealth browser infrastructure and AI agents in one platform.
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Developer tools: JSON/JWT/base64, hash, regex tester, UUID, cron, timestamp, color.
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Comet is a browser that's designed to be a thought partner and assistant for every aspect of your digital life: work and personal.
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19 free browser-based developer tools — no signup, no tracking, everything runs client-side.
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SwiftUI-powered macOS browser featuring native WebKit rendering, local AI using Apple MLX, adaptive tab hibernation, granular privacy controls, incognito mode, comprehensive keyboard shortcuts, ad blocking, secure password management, and built-in d…
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