# ZeroTool

> Free online developer tools. No sign-up. Each tool explains how it processes input and any requests to other services.

ZeroTool (https://zerotool.dev) has 141 free developer tools. Each tool is one web page; there is no account and no API.

Tool pages are at https://zerotool.dev/tools/{slug}/ in English and at /zh/tools/{slug}/, /ja/tools/{slug}/ and /ko/tools/{slug}/ in Chinese, Japanese and Korean. The same tools are listed with their names in those languages in the files under "Other languages".

## AI assistant resources

- [llms.txt](https://zerotool.dev/llms.txt): Tool names, descriptions and network use
- [llms-full.txt](https://zerotool.dev/llms-full.txt): Full tool reference and usage steps (English)
- [categories.md](https://zerotool.dev/categories.md): All tools by category
- [about.md](https://zerotool.dev/about.md): Processing, storage, privacy and source code

## Public pages

- [Home](https://zerotool.dev/)
- [Tools](https://zerotool.dev/tools/)
- [Blog](https://zerotool.dev/blog/)
- [About](https://zerotool.dev/about/)
- [Privacy](https://zerotool.dev/privacy/)
- [Terms](https://zerotool.dev/terms/)
- [Contact](https://zerotool.dev/contact/)
- [Source on GitHub](https://github.com/kassol/zerotool-dev)