tools.datnt.dev

JSON & Data

JSON Editor YAML ↔ JSON CSV ↔ JSON / Excel

Markdown & Docs

Markdown Editor Markdown Table GitHub Emoji Cheat Sheet

Code Formatters

JS Beautify JS Obfuscator SQL Formatter XML Formatter CSS Minifier HTML Minifier

Web Debuggers

JWT Debugger JWT Secret Key Generator Regex Tester OG Tag Checker Curl to Code MIME Type Lookup

Encoders

Base64 Converter URL Encoder & Decoder HTML Entities Bookmarklet Builder Morse Code Translator ROT13 / Caesar Cipher Binary ↔ Text Converter NATO Phonetic Alphabet

String Utilities

Slugify Text Case Converter Text Diff Invisible Ink Steganography

Scheduling

Crontab Explainer

Unique IDs

UUID Generator Password Generator

Pickers & Fun

Coin Flip Dice Roller Wheel of Names Random Number Generator Random Team Picker List Shuffler Fake Credit Card Generator Random Quote Generator

Placeholder Content

Lorem Ipsum Generator Fake Data Generator Name Generator Fancy Text Zalgo / Glitch Text Lorem Picsum Placeholder Images

Marketing & SEO

QR Code Generator VietQR Payment Generator Meta Tag Generator Campaign URL Builder Email Signature Generator Mailto Builder

CSS Design

CSS Gradient Box Shadow Color Palette Generator CSS clip-path Maker

Color

Color Converter

Cryptography

Hash Text (Crypto)

Date & Time

Unix Time Converter

Currency

Currency Converter

Numeric

Number Base Converter

Units

Math

Percentage Calculator Aspect Ratio Calculator

Finance

Tip Calculator Loan / EMI Calculator Discount Calculator VAT / Sales Tax Calculator ROI & CAGR Calculator

Health

Date & Time

Date Calculator Age Calculator

Accessibility

Color Contrast Checker

Image Tools

Image Palette Extractor QR Code Reader Add Background to Screenshot Image Resizer Image Compressor

Time & Focus

Pomodoro Timer Chronometer / Stopwatch Countdown Timer Date Countdown Timezone Converter Sleepytime, Sleep Cycle Calculator Digital Clock Alarm Clock Online Metronome

Writing

Word Counter Typing Speed Test (WPM)Emoji Picker Kaomoji Picker Tally Counter Text to Speech (TTS)Scoreboard Mirror & Upside-down Text Character Frequency Analyzer Speech to Text Dictation

Security & Privacy

Password Strength Checker What Is My IP?Gmail Dot Trick

Web UI Tweaks

CSS Scrollbar Customizer

Media

YouTube Thumbnail Downloader

Hash Text (Crypto)

MD5 / SHA-1 / SHA-256 / SHA-512.

Uppercase

MD5,

SHA-1,

SHA-256,

SHA-384,

SHA-512,

© 2026 datnt.dev · 100% client-side

☕Buy me a coffee ♥Ko-fi