ToolBox ICU

A comprehensive collection of developer tools and utilities including data formatters, converters, security tools, and creative AI-powered generators.

Creative & AI

Holiday Card Generator

AI-powered holiday card image generator with print layouts

holidaycardaiimageprintgreetingcreative

Time & Date

Unix Time Converter

Convert Unix timestamps to human-readable dates and vice versa

unixepochtimestampdate

Countdown Timer

Fullscreen customizable countdown timer

timercountdownstopwatchtimeclock

Data Processing

Format, validate, and beautify JSON data

jsonformatvalidatepretty

Generate UUIDs (v1, v3, v4, v5, v7) with bulk support

uuidguidgeneratoridrandom

YAML <-> JSON Converter

Convert YAML to JSON and JSON to YAML

yamljsonconvertparsestringify

TOML <-> JSON Converter

Convert TOML to JSON and JSON to TOML

tomljsonconvertparsestringify

JS Object <-> JSON Converter

Convert between JavaScript Object literals and strict JSON

javascriptobjectjsonconvertstringifyparse

Real-time SVG code preview and inspection

svgimagepreviewvectorxml

Encoding & Decoding

Base64 Encode/Decode

Encode and decode text using Base64

base64encodedecodetext

Convert images to Base64 and preview Base64 images

base64imageencodedecode

Convert audio files to Base64 and decode Base64 audio

base64audioencodedecode

URL Encode/Decode

Encode and decode URL-encoded text

urlencodedecodepercent-encoding

Backslash Escape/Unescape

Escape or unescape special characters in text

escapeunescapebackslashstringtextencoding

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text or files

hashmd5shasha256sha512checksumdigest

Security

Decode and verify JSON Web Tokens

jwttokendecodeverify

Secure Random String

Generate cryptographically secure random strings, passwords, and hex

randomstringpasswordsecurehexgeneratorcrypto