#developer
Explore 11 ToolHub utilities tagged “developer”. Each tool is built to run in your browser whenever possible.
Tools
Base64 Encode/Decode
developer
Unicode-safe Base64 encode/decode for text and files locally.
- base64
- encode
- decode
- developer
Cron Explainer
developer
Turn cron expressions into readable schedules.
- cron
- scheduler
- developer
- devops
Diff Checker
text
Line-level text diff with inline and side-by-side views.
- diff
- text
- compare
- developer
JSON Formatter
json
Format, validate, and minify JSON locally in your browser.
- json
- formatter
- validator
- developer
JSON Minifier
json
Minify JSON locally into a compact single-line string.
- json
- minifier
- compress
- developer
JSON Validator
json
Validate JSON locally with clear syntax error messages.
- json
- validator
- syntax
- developer
JSON YAML Converter
json
Convert JSON and YAML both ways in your browser.
- json
- yaml
- converter
- developer
Markdown Preview
text
Live GFM preview with sanitized, XSS-safe rendering.
- markdown
- text
- preview
- gfm
Query String Parser
developer
Parse and build URL query strings safely, client-side.
- url
- query-string
- parser
- developer
Regex Tester
developer
Test regex patterns with flags, highlights, and safe timeout protection.
- regex
- developer
- pattern
- replace
URL Encode/Decode
developer
URL percent-encoding with component and URI modes locally.
- url
- encode
- decode
- percent-encoding