# 1.tools

> Collection of open-source useful developer tools, converters, encoders, and generators running entirely client-side in the browser.

- Website: https://1.tools/?ref=devshelf.io
- DevShelf page: https://devshelf.io/resource/1-tools
- Pricing: Free
- Tags: Open Source, Self-hosted, No sign-up
- Categories: [Developer Utilities](https://devshelf.io/category/developer-utilities.md)
- Last checked: 2026-11-02

## About

1.tools provides a comprehensive suite of client-side developer utilities, security tools, format converters, encoders, decoders, and text processors. Built with modern web standards and leveraging WebAssembly where applicable, all operations run securely within the browser without sending data to external servers. Features include cryptography utilities, network inspection tools, graphics and PDF handlers, database clients, and media conversion tools designed for everyday developer tasks.

## Alternatives

- [IT Tools](https://devshelf.io/resource/it-tools.md): Collection of handy online tools for developers, including cryptography, conversion, web, and network utilities. (pricing: Free)
- [Online Tools](https://devshelf.io/resource/online-tools.md): A comprehensive web-based collection of developer utilities for hashing, cryptography, compression, encoding, formatting, and text conversion. (pricing: Free)
- [OmniTools](https://devshelf.io/resource/omnitools.md): An open-source collection of developer utilities and tools hosted on GitHub. (pricing: Free)

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Source: DevShelf.io, the hand-reviewed catalog of dev tools and resources. Every resource is reviewed by hand before it is listed.