The developer tools you reach for every day, all in one place.

Converters, formatters, hashes, validators, and the small utilities you keep reopening stay together instead of getting lost across tabs.

GitHub

/ Tools

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/ Tool Finder

109 tools

/ License Generator

Select License

A short and simple permissive license with conditions only requiring preservation of copyright and license notices.

Permissions

+ Commercial use
+ Modification
+ Distribution
+ Private use

Conditions

= License and copyright notice

Limitations

- Liability
- Warranty

Year

Author / Copyright Holder

/ Selected Tool

License Generator

Generate common open source license files

■ 01

What is an Open Source License?

An open source license is a legal document that defines how others can use, modify, and distribute your software. Choosing the right license is important as it determines what others can and cannot do with your code, an…

■ 02

How does it work?

Popular Licenses MIT: Simple and permissive, allows almost anything Apache 2.0: Permissive with patent protection GPL 3.0: Copyleft, requires derivative works to be open source BSD: Permissive, similar to MIT with varia…

■ 03

Sample Cases

Covers MIT License header and Apache 2.0 notice so you can compare common inputs and outputs quickly.

/ Code

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/ Integration

Source code from the selected tool, shown here alongside the live version on the right.

/ Source Code

TypeScript

typescript

// License Generator

interface License {
  name: string;
  template: (year: string, author: string) => string;
}

const licenses: Record<string, License> = {
  mit: {
    name: 'MIT License',