Tool Documentation

Usage guides and examples for every developer tool on DevToolsHub.

Converters

Provide input in one format and the tool converts it to the target format. Copy the output to use elsewhere.

Timestamp Converter

Convert between Unix timestamps and dates.

Number Base Converter

Convert between binary, octal, decimal and hex.

Color Converter

Convert between HEX, RGB, HSL and HSV.

Case Converter

Convert text between casing styles.

JSON → TypeScript

Generate TypeScript interfaces from JSON.

JSON → GraphQL

Generate GraphQL types from JSON.

YAML ↔ JSON

Convert between YAML and JSON.

CSV → JSON

Convert CSV data to a JSON array.

Encoders

Enter text on one side to encode or decode instantly. Encoding is reversible and runs entirely in your browser.

Base64 Encode / Decode

Encode or decode Base64 with Unicode support.

URL Encode / Decode

Percent-encode or decode URLs.

HTML Entity Encoder

Encode or decode HTML entities.

Formatters

Paste your raw input and the tool formats it live as you type. Use the indent options to match your style, then copy or download the result.

JSON Formatter

Format, validate and minify JSON — live.

SQL Formatter

Beautify SQL queries with keyword casing.

HTML Formatter

Beautify and indent HTML.

CSS Formatter

Beautify or minify CSS.

Markdown Editor

Write Markdown with live preview and toolbar.

JSON Validator

Validate JSON and pinpoint errors.

Generators

Configure the options (length, count, strength) and the tool generates output on demand. Use Copy to grab the result.

UUID Generator

Generate RFC4122 v4 UUIDs in bulk.

Password Generator

Generate strong random passwords.

Lorem Ipsum Generator

Generate placeholder text.

Hash Generator

Generate SHA-1/256/384/512 checksums.

Cron Generator

Build and preview cron schedules.

Text Generator

Generate placeholder text in multiple languages.

Inspectors

Run the tool to transform your input. All processing happens in your browser.

JWT Decoder

Decode and inspect JSON Web Tokens.

Regex Tester

Test regular expressions and view matches.

HTTP Status Codes

Reference for HTTP response status codes.

Text Diff

Compare two blocks of text line by line.

API Tester

Send HTTP requests and inspect responses.