Micro-tools that solve one engineering problem each.
Decode a token, grade your security headers, price your LLM spend, format the query you're about to ship. Veojson is a toolbox for developers, IT admins and technical founders — free, fast and focused.
Instant, in-browser
The answer you came for loads immediately. No account, no paywall, no waiting.
Your data stays put
Tokens, JSON and queries are processed locally in your browser wherever possible.
One job each
Every tool is a single dedicated page built around one specific problem.
Popular tools
See all 44Utility & Formatting
JSON Formatter & Validator
Beautify, minify and validate JSON with precise error positions.
Developer & API
JWT Decoder & Verifier
Decode header and payload, inspect claims, check expiry.
Developer & API
Base64 Encoder & Decoder
Encode and decode Base64 with full Unicode support.
Developer & API
Regex Tester & Builder
Live match highlighting, capture groups and flags.
Developer & API
Cron Expression Generator
Build cron syntax and preview the next run times.
Developer & API
SQL Query Formatter
Turn one-line spaghetti SQL into readable, reviewable queries.
Tool directory
Developer & API
13
Security & Infrastructure
11
AI & Prompts
4
Business & Ops
7
Utility & Formatting
9