Convert & Generate

Encoders, hashes, QR codes and generators — all client-side.

🔒 Everything runs in your browser — nothing is uploaded

Slugify — URL Slug Generator

Turn any title or text into a clean, SEO-friendly URL slug.

Base64 Encode/Decode

Encode text to Base64 or decode Base64 back to plain text.

URL Encoder/Decoder

Percent-encode or decode URLs and query string parameters.

Hash Generator

Generate MD5, SHA-1 and SHA-256 hashes from any text.

JWT Decoder

Decode and inspect JWT header and payload claims safely.

UUID Generator

Create random RFC 4122 version 4 UUIDs on demand.

Password Generator

Build strong, random passwords with custom length and rules.

QR Code Generator

Turn text or URLs into downloadable QR codes instantly.

QR Code Scanner

Scan and decode QR codes from an image in your browser.

Regex Tester

Test and debug regular expressions with live match highlighting.

JSON to CSV

Convert JSON arrays into clean CSV data in your browser.

YAML to JSON

Convert between YAML and JSON with instant two-way parsing.

XML Formatter

Beautify, indent and validate XML documents instantly.

SQL Formatter

Format and beautify SQL queries for easy reading.

Code Beautifier

Beautify HTML, CSS and JavaScript with clean indentation.

Hex to Text

Convert text to hexadecimal and decode hex back to text.

Timestamp Converter

Convert Unix timestamps to human-readable dates and back.

Cron Parser

Parse cron expressions into plain English and next run times.

URL Parser

Break a URL into protocol, host, path and query parameters.

List Randomizer

Shuffle a list into a random order right in your browser.

String Escape/Unescape

Escape or unescape strings for JSON, JavaScript and more.

HTML Entities Encoder

Encode and decode HTML entities for safe markup output.

Number to Words

Convert numbers into written words in plain English.

Week Number Calculator

Find the ISO week number for any date of the year.

JSON to TypeScript

Convert JSON into TypeScript interfaces or types instantly.

Open Graph Meta Tag Generator

Generate Open Graph & Twitter meta tags with a live social preview.

cURL Converter

Convert a curl command into fetch, Python requests, or Node code.

Time Zone Converter

Convert a time across time zones and compare them side by side.

Subnet Calculator (CIDR)

Get network, broadcast, mask, host range and host count from a CIDR.

Bcrypt Generator & Verifier

Generate and verify bcrypt password hashes, all in your browser.

Cron Expression Generator

Build a cron schedule with dropdowns and see the expression, summary and next run times.

Password Strength Checker

Check real strength with entropy bits, crack-time estimates and private fix-it tips.

Barcode Generator

Make scannable EAN, UPC & Code 128 barcodes and download as PNG or SVG.

Mock Data Generator

Design a schema and generate realistic fake test data as JSON, CSV or SQL.

Popular unit conversions

Centimeters to Inches Inches to Centimeters Millimeters to Inches Inches to Millimeters Meters to Feet Feet to Meters Kilometers to Miles Miles to Kilometers Kilograms to Pounds Pounds to Kilograms Grams to Ounces Ounces to Grams Celsius to Fahrenheit Fahrenheit to Celsius Liters to Gallons (US) Gallons (US) to Liters Cups (US) to Milliliters Milliliters to Cups (US) Tablespoons (US) to Milliliters Milliliters to Tablespoons (US) Teaspoons (US) to Milliliters Milliliters to Teaspoons (US) Acres to Hectares Hectares to Acres Square Meters to Square Feet Square Feet to Square Meters Miles per hour to Kilometers per hour Kilometers per hour to Miles per hour Meters per second to Kilometers per hour Kilometers per hour to Meters per second PSI to Bar Bar to PSI