TB Dev Tools

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JSON Formatter

Beautify, minify, and validate JSON instantly. Syntax validation with clear error messages.

formatvalidateminify

→ 🔐

Base64 Encoder / Decoder

Encode any text to Base64 and decode it back. Full Unicode and Tamil script support.

encodedecodeunicode

→ 🔑

Password Generator

Generate strong, cryptographically secure passwords. Custom length and character rules.

passwordsecurityrandom

→ 🔗

URL Encoder / Decoder

Percent-encode URLs for safe HTTP transmission or decode them back to plain text.

urlpercent-encode

→ .*

Regex Tester

Write a regular expression and see matches highlighted live as you type.

regexpatternmatch

→ 🆔

UUID Generator

Generate cryptographically random UUID v4 values — one or in bulk up to 100.

uuidguidrandom

→ ⏱

Timestamp Converter

Convert Unix timestamps to dates and back. Live epoch clock with UTC and local time.

unixepochdate

→ #

Hash Generator

Generate SHA-256 and SHA-512 cryptographic hashes using the Web Crypto API.

sha-256sha-512crypto

→ 🎨

Color Converter

Convert between HEX, RGB, and HSL formats with a live color preview swatch.

hexrgbhsl

→ 🎫

JWT Decoder

Decode JWT tokens — view header, payload, expiry and issued-at time instantly.

jwttokenauth

→ 📝

Word & Character Counter

Count words, characters, sentences, paragraphs, and estimated reading time.

wordscharactersreading time

→ </>

HTML Entity Encoder

Escape special HTML characters to entities and decode them back to characters.

htmlentitiesescape

→ Aa

Case Converter

Convert between UPPER, lower, Title, camelCase, PascalCase, snake_case, kebab-case.

camelCasesnake_casekebab

→ Md

Markdown Previewer

Write Markdown and see the rendered HTML output live, side by side.

markdownpreviewlive

→ CSS

CSS Minifier

Strip whitespace and comments from CSS. See exact byte savings instantly.

cssminifycompress

→ 01

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal instantly.

binaryhexdecimal

→ ¶

Lorem Ipsum Generator

Generate clean placeholder text by paragraph count. Copy with one click.

placeholderdummy text

→ ⟺

Text Diff Checker

Compare two text blocks line by line. Additions in green, removals in red.

diffcompare

→ JS

JavaScript Minifier

Remove comments and whitespace from JavaScript. See exact byte savings.

javascriptminifycompress

→ ⏰

Cron Expression Builder

Build cron expressions visually with presets and human-readable descriptions.

cronschedulelinux

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