Developer Tools

Tools for developers and programmers

24 tools in this category

Base64 Tools

Encode and decode Base64

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JSON Formatter

Format and validate JSON

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JavaScript Minifier

Minify and format JavaScript code

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CSS Minifier

Minify and format CSS code

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SQL Formatter

Format and beautify SQL queries

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Regex Tester

Test and debug regular expressions

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JWT Decoder

Decode JWT headers and payloads instantly

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Text Diff

Compare text and code line by line

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UUID Generator

Generate and validate UUIDs in bulk

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Cron Parser

Build cron expressions and preview schedules

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URL Encoder

Encode and decode URL-safe strings

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HTML Entities

Escape and decode HTML entities safely

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CSV to JSON

Convert CSV rows into formatted JSON

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Markdown Preview

Write Markdown and preview rendered output

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Country Info

Look up country facts, flags, and currencies

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Public Holidays

Find holiday calendars for countries and years

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NPM Package Inspector

Inspect package metadata, versions, and dependencies

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DNS Lookup

Resolve DNS records for domains

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String Case Converter

Convert text into camel, snake, kebab, title, and more

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HTML to JSX

Convert HTML snippets into React-friendly JSX

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List Converter

Turn line lists into JSON arrays, CSV, SQL, and more

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YAML JSON TOML Converter

Convert config snippets between YAML, JSON, and TOML

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CSS Unit Converter

Convert px, rem, em, %, vw, and vh values

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JavaScript Keycode Info

Get keyboard event key, code, and keyCode

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