Developer Tools
JSON, regex, SQL, API, markdown, and more coding utilities.
JSON
Populardeveloper
JSON Formatter
Paste raw JSON to instantly format, validate, or minify it. Includes syntax highlighting, inline error detection with line numbers, and one-click copy. Perfect for debugging API responses or config files.
jsonformattervalidator
developer
JSON Path Finder
Click on any value in a JSON tree to get its path. Supports dot and bracket notation.
jsonpathfinder
developer
JSON Schema Generator
Generate JSON Schema from a JSON sample. Supports nested objects, arrays, and all data types.
jsonschemagenerator
developer
JSON to TypeScript
Generate TypeScript interfaces from JSON data. Handles nested objects and arrays.
jsontypescriptinterface
developer
JSON Diff & Merge
Compare two JSON objects side-by-side, see added/removed/changed keys, and merge them.
jsondiffmerge
API
This tool is coming soon. Stay tuned!
BetaProdeveloper
API Playground
A browser-based HTTP client for testing REST APIs. Set methods, headers, body, and query params, then inspect full responses with status codes, timing, and formatted JSON. No installs needed — like a mini Postman.
apihttprest
developer
API Response Formatter
Paste a cURL command or raw API response to see formatted, highlighted output.
apicurlresponse
This tool is coming soon. Stay tuned!
BetaProdeveloper
OpenAPI Viewer
Transform raw OpenAPI 3.0 or Swagger 2.0 specs into beautiful, interactive API documentation. See endpoints grouped by tags, explore parameters, request bodies, and response schemas — all in your browser.
openapiswaggerapi
Newdeveloper
HTTP Status Reference
Searchable guide to all HTTP status codes with descriptions, categories, and quick lookup.
httpstatuscodes
Markdown
Updateddeveloper
Markdown Preview
A split-pane Markdown editor with live preview. Write GitHub Flavored Markdown on the left and see it rendered in real time on the right. Supports tables, task lists, strikethrough, and auto-linking.
markdownpreviewgfm
developer
Markdown Table Generator
Build markdown tables visually with a spreadsheet-like editor.
markdowntablegenerator
Code Tools
developer
Cron Expression Parser
Parse and explain cron expressions in human-readable format with preset examples.
cronschedulerparser
Populardeveloper
Diff Viewer
Paste two versions of text to instantly see additions, deletions, and modifications highlighted side by side. Switch between line-level and word-level diff modes. Great for reviewing code changes, config updates, or document revisions.
diffcomparetext
This tool is coming soon. Stay tuned!
BetaProdeveloper
Env Manager
Paste two .env files to instantly see which keys are missing, which values differ, and which are identical. Generate .env.example templates with sensitive values stripped. Mask secrets for safe screen sharing.
envenvironmentdotenv
developer
SQL & MongoDB Query Toolkit
Format SQL/MongoDB queries, access command cheatsheets, and use an interactive generic logic builder.
sqlmongodbnosql
Populardeveloper
Regex Toolkit
A comprehensive regex toolkit combining three powerful tools. The Tester lets you write and test expressions with real-time match highlighting and captured groups. The Library provides a curated collection of battle-tested patterns for emails, URLs, dates, and more. The Builder offers a visual drag-and-drop interface to construct complex regex without memorizing syntax.
regexregular-expressiontester
Newdeveloper
Git Command Builder
Build Git commands interactively — select a command, toggle options, and copy the result. No more memorizing flags.
gitcommandbuilder
Newdeveloper
Pomodoro Timer
Boost your productivity with the Pomodoro Technique. Focus for 25 minutes, take a 5-minute break, and repeat. Every 4 sessions, take a longer 15-minute break. Track your sessions, total focus time, and stay motivated.
pomodorotimerfocus
This tool is coming soon. Stay tuned!
BetaProdeveloper
DB Schema Designer
Design database schemas visually — add tables, define columns with types and constraints, draw foreign key relationships, then export production-ready SQL. Supports PostgreSQL, MySQL, and SQLite dialects.
databaseschemasql
Newdeveloper
Password Strength Checker
Analyze password strength with entropy calculation, time-to-crack estimates, and security checks.
passwordsecurityentropy