🔧 Quick-Help

Every tool you need, in one place

Fast, free utilities for developers and everyday work. Pick a category below — everything runs locally in your browser, so your data never leaves your device.

{ }

JSON Tools

Validate, beautify, tree view, format, compare, edit and convert JSON to YAML, XML and CSV.

Validate Beautify Tree View Compare Edit Convert
Open tools →
</>

XML Tools

Validate, beautify, tree view, format, compare, edit and convert XML to YAML, JSON and CSV.

Validate Beautify Tree View Compare Edit Convert
Open tools →
T

String Tools

Compare strings, count words & characters, reverse text, check palindromes, change case, find & replace, and clean whitespace.

Compare Counter Reverse Palindrome Case Find & Replace Clean up
Open tools →
01

Number Conversion

Convert between ASCII/Text, Binary, Decimal, Hexadecimal, Octal and Base64.

Base Converter Text ↔ Binary Base64
Open tools →
⇄

Unit Conversion Tools

Convert length, weight, temperature, energy, power, frequency, voltage and electric charge — plus image, electrical and number-base tools.

Length Weight Temperature Energy Power Frequency Voltage Electric Charge Image Electrical Calc
Open tools →
01A

Encoding & Decoding

Hex, Base32, Base58, Base64, CBOR, HTML entities, URL encoding and JWT decoding — for text and files.

Hex Base32 Base58 Base64 CBOR HTML URL JWT
Open tools →