21 free tools · no signup

The Swiss Army Knife of the Internet.

PDF utilities, generators, converters, and developer tools, all running privately in your browser. Nothing to install, nothing to upload.

PDF

PDF Merge

Combine multiple PDF files into one.

PDF Split

Extract or split pages from a PDF file.

Generators

Password Generator

Create strong, random passwords instantly.

QR Code Generator

Turn any text or URL into a downloadable QR code.

UUID Generator

Generate random RFC 4122 version 4 UUIDs.

Color Palette Generator

Generate harmonious color palettes for design.

Converters

Unit Converter

Convert length, weight, and temperature units.

Developer

JSON Formatter

Format, validate, and minify JSON data.

Regex Tester

Test regular expressions against sample text.

Markdown Previewer

Write Markdown and preview the rendered output.

Encoding

Base64 Encoder

Encode text to Base64 instantly.

Base64 Decoder

Decode Base64 back to plain text.

URL Encoder / Decoder

Encode or decode URL components.

Text

Word Counter

Count words, characters, sentences, and reading time.

Case Converter

Convert text between upper, lower, title, and more.

Lorem Ipsum Generator

Generate placeholder text for mockups.

Security

Hash Generator

Generate SHA-1, SHA-256, and SHA-512 hashes.

Date & Time

Unix Timestamp Converter

Convert between Unix timestamps and dates.

Calculators

Age Calculator

Calculate exact age from a birth date.

BMI Calculator

Calculate Body Mass Index (metric or imperial).

Images

Image Compressor

Shrink image file size without losing quality.