Free online tools. For your everyday tasks.

***

Password Generator

Create strong, random passwords in seconds.

Hash Generator

Generate SHA-256, SHA-384 and SHA-512 hashes.

key

RSA Key Pair Generator

Generate and export RSA public and private keys.

JWT

JWT Decoder / Encoder

Inspect JWT claims and sign or verify HS256 tokens.

CSS

CSS Minifier

Compact CSS while preserving strings and comments that matter.

</>

HTML Minifier

Conservatively remove ordinary HTML comments.

HTML Entity Encoder / Decoder

Convert special characters to and from HTML entities.

{ }

JSON Formatter

Format, validate and minify your JSON data.

Regex Tester

Test expressions and inspect matches safely.

SQL

SQL Formatter

Make SQL statements easier to read.

JavaScript Formatter / Minifier

Beautify or minify JavaScript without running it.

Text Diff Checker

Compare two texts and find changed lines.

UUID Generator

Generate cryptographically random version 4 UUIDs.

◒

Color Palette Generator

Build a harmonious palette around your brand color.

◩

CSS Gradient Generator

Design a gradient and copy its ready-to-use CSS.

↗

Image Resizer

Resize images and export PNG, JPEG or WebP locally.

▦

QR Code Generator

Turn text or a URL into a downloadable QR code.

Keyword Density Checker

Measure word frequency in your pasted content.

<m>

Meta Tag Generator

Create title, description and social sharing tags.

bot

Robots.txt Generator

Create crawl instructions and a sitemap reference.

↗

UTM Link Builder

Build campaign URLs with consistent UTM parameters.

XML

XML Sitemap Generator

Generate a sitemap from your list of page URLs.

CSV

CSV to JSON Converter

Convert CSV rows to structured JSON objects.

{→}

JSON to CSV Converter

Export a JSON array of objects as a CSV file.

YML

YAML to JSON Converter

Parse YAML and convert it to formatted JSON.

URL Encoder / Decoder

Encode and decode URL components.

Text Case Converter

Switch between upper, lower, title and sentence case.

a-b

URL Slug Generator

Create clean, readable URL slugs from your text.

IP Address Lookup

Look up your public IP or inspect an IP address.

Network & Infrastructure

DNS

DNS & Domain Lookup

Query DNS records and domain registration data.

Network & Infrastructure

Invoice Generator

Create an itemized invoice and print or save it as PDF.

PDF

PDF Tools

Merge, extract, reorder, rotate or number PDF pages.

123

Word Counter

Count words, characters, sentences and reading time.

Lorem Ipsum Generator

Generate placeholder paragraphs for your next design.