
IT-ToolsKit.org
All Over Tools
CyberChef
AllDevToolsHub
MxToolBox
JSONLint
devenv
JSON Web Token
Vim Python IDE
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-ToolsKit.org
Vim Python IDENo features have been listed yet.
All Over Tools - Clean, transform, and validate your data with our secure, browser-based tools. No logs, no tracking, just high-performance utilities.
CyberChef - The Cyber Swiss Army Knife
AllDevToolsHub - 135+ free browser-based developer tools โ no signup, private.
MxToolBox - All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.
JSONLint - JSON Lint is a web based validator and reformatter for JSON, a lightweight data-interchange format.
devenv - Fast, Declarative, Reproducible, and Composable dev envs