
IT Admin Utils
All Over Tools
AllDevToolsHub
devenv
DuskTools.app
DNSChecker.org
FreeToolPoint
Hasare
IT-ToolsKit.org
All Over Tools
CyberChef
AllDevToolsHub
MxToolBox
JSONLint
devenv
JSON Web Token
ToolsKit is a free collection of browser-based utilities built for developers, sysadmins, and network engineers. Every tool runs entirely in your browser โ nothing is sent to any server.
Tools include: Subnet Calculator, JSON Formatter, Base64 Encoder/Decoder, Password Generator, IP Lookup, Hash Generator (MD5, SHA-256, SHA-512), URL Encoder/Decoder, Timestamp Converter, WHOIS Lookup, DNS Lookup, Regex Tester, Binary Converter, JWT Decoder, UUID Generator, and Cron Expression Parser.
No sign-up required. No data collection. No paywalls. Just open a tool and use it.
IT Admin Utils
IT-ToolsKit.orgAll Over Tools - Clean, transform, and validate your data with our secure, browser-based tools. No logs, no tracking, just high-performance utilities.
AllDevToolsHub - 135+ free browser-based developer tools โ no signup, private.
CyberChef - The Cyber Swiss Army Knife
devenv - Fast, Declarative, Reproducible, and Composable dev envs
DuskTools.app - 150+ free browser-based developer tools - no sign-up, no tracking, no backend. JSON formatter, Base64 encoder, regex tester, JWT decoder, UUID generator, HTTP status lookup, MIME types, port reference, cron builder & more. Everything runs locally in
MxToolBox - All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.