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DevToolsHub

Available Tools

Essential utilities to boost your productivity.

JSON Formatter

Beautify and validate your JSON data with custom indentation.

Base64 Encoder & Decoder

Encode and decode Base64 strings easily.

URL Encoder & Decoder

Encode and decode URL-safe text and query strings.

Diff Checker

Compare text side by side and highlight added, removed, and changed lines.

UUID Generator

Generate UUID v4 values instantly

JWT Decoder

Decode and inspect JSON Web Tokens locally.

Unix Timestamp Converter

Convert timestamps to readable dates and back.

Hash Generator

Generate SHA-1, SHA-256, and SHA-512 hashes securely.

Regex Sandbox

Test and debug regular expressions visually with real-time highlighting and capture groups.

API Tester

A lightweight, no-fuss client to send REST API requests and instantly inspect JSON responses.

JSON Model Generator

Convert JSON into TypeScript interfaces and Dart classes.

Cron Expression Generator

Build, validate, and understand cron expressions with a visual editor and plain English explanations.

QR Code Generator

Generate QR codes from text or URLs instantly.

Text Case Modifier

Convert text between UPPERCASE, lowercase, Title Case, camelCase, PascalCase, snake_case, and kebab-case.

Text ↔ Binary Converter

Convert plain text to binary (0s and 1s) and binary back to readable text instantly.

Number Base Converter

Convert numbers between Decimal, Binary, Hexadecimal, and Octal in real time.

Lorem Ipsum Generator

Generate customizable Lorem Ipsum placeholder text by words, sentences, or paragraphs.

Color Converter

Convert colors between HEX, RGB, HSL, and CSS named formats with a live preview.

Gitignore Generator

Generate a customized, production-ready .gitignore file based on the technology you use.

Markdown Preview

Live preview your Markdown as HTML with real-time rendering and sanitized output.

Curl to Fetch

Convert curl commands into JavaScript fetch requests.

JSON ↔ CSV Converter

Convert JSON arrays to CSV and CSV data back into JSON instantly.

YAML ↔ JSON Converter

Convert YAML to JSON and JSON to YAML instantly in your browser.

Password Generator

Generate secure random passwords with customizable length and character options.

Password Strength Checker

Evaluate password strength locally with instant feedback and clear improvement suggestions.

HTML Live Preview

Preview HTML instantly with safe browser-side rendering.

SQL Formatter

Beautify your raw SQL queries with clean spacing and line breaks automatically.

XML Formatter

Format and validate XML with clean readable output.

CSS Unit Converter

Convert between px, em, rem, %, vw and vh units.

CSS Clamp Generator

Generate responsive CSS clamp() expressions with live preview.

Color Palette Generator

Generate beautiful color schemes with different harmonies and export them, or create multi-stop CSS gradients.

CSS Grid Generator

Visually configure CSS Grid layouts and generate copyable CSS with live preview.

CSS Gradient Generator

Generate CSS gradients visually with live preview and exportable CSS code.

CSS Animation Generator

Visually design CSS animations with delay, duration, easing, and direction controls, and copy the generated CSS & keyframes.

Tailwind Class Generator

Build Tailwind CSS utility classes visually with live preview and copyable output.

CSS Box Shadow Generator

Build CSS box-shadow styles with live preview, sliders, and copyable output.

Flexbox Generator

Configure Flexbox layouts visually and generate CSS with a live preview.

Border Radius Generator

Generate rounded-corner CSS with a live preview and copy-ready border-radius output.

OpenAPI / Swagger Viewer

Parse and view OpenAPI/Swagger specifications visually in an interactive, clean API documentation viewer.

JWT Generator & Validator

Generate, inspect, decode, and verify JSON Web Tokens directly in your browser.

Bcrypt Generator & Validator

Generate bcrypt hashes with configurable salt rounds and validate plaintext against existing hashes. Runs entirely in your browser.