Dev Utilities tools
Regex tester, diff viewer, cron builder, HTTP status reference, .env parser, code minifiers, escape helpers and other small utilities developers reach for daily.
24 tools in this category
Regex Tester
Test regular expressions with live match highlighting.
Cron Expression Builder
Build cron expressions visually with a human-readable description.
Env File Parser
Convert .env files to JSON, YAML, or shell exports.
String Escaper
Escape and unescape strings for JSON, JS, HTML, XML, SQL, RegExp, and shell.
Text to Slug Case
Convert identifiers between camelCase, snake_case, kebab-case, and more.
JS/CSS Minifier
Conservatively strip comments and whitespace from JS or CSS.
HTTP Request Builder
Build a request and generate curl, fetch, axios, and more.
UUID Validator
Validate and inspect UUIDs, including version and timestamp.
cURL to Fetch Converter
Convert a curl command into JavaScript fetch() code.
JavaScript Object to JSON
Convert a JS object literal into strict, valid JSON.
Git Command Cheatsheet
Searchable reference of common git commands with copy buttons.
Dockerfile Linter
Lint a Dockerfile for common best-practice issues.
Package.json Validator
Validate package.json fields, semver ranges, and scripts.
Semver Checker
Compare versions and test semver ranges (^, ~, >=).
Code Diff Merger
Side-by-side line diff of two code snippets with stats.
Line Sorter & Deduper
Sort, dedupe, and filter lines with regex include/exclude.
Regex Cheatsheet
Searchable regex syntax reference with examples and copy buttons.
Chmod Calculator
Unix permission calculator: checkboxes, octal, and symbolic.
SQL Formatter
Format and indent SQL queries for readability.
YAML Validator
Validate YAML and preview it as JSON.
.htaccess Redirect Generator
Generate Apache .htaccess redirect and rewrite rules.
GraphQL Query Formatter
Format and indent GraphQL queries and mutations.
Code Comment Stripper
Remove comments from JS, HTML, Python, or SQL source.
Tabs to Spaces Converter
Convert indentation between tabs and spaces.