Skip to content
OpenToolVault

Just HTMLs Tools

Open-source HTML toolset. Format converters (JSON, CSV, YAML, XML), developer tools (formatters, JWT, UUID, regex), text processing, image tools (watermark, com.

Not yet verified
Report issueDemo online
justhtmls/html-toolsMIT★ 258

Open the official app on www.htmls.dev

This tool is hosted by its maintainers. Click below to open www.htmls.dev in a new tab — it's their official demo.

Launch tool View source
Browse developer tools →

What's next with Just HTMLs Tools?

Choose how you want to get started.

Use it free

Open the official tool or demo — no account needed.

Free

Self-host it

Run the open-source version on your own infrastructure.

Open

What is Just HTMLs Tools?

[在线体验](https://htmls.dev/) | [贡献指南](CONTRIBUTING.md) | [提交工具](https://github.com/justhtmls/html-tools/issues/new?template=tool-submission.md) --- JustHTMLs 是一个开源的 HTML 工具集平台，汇集各种轻量级的在线工具。所有工具均为单文件 HTML，无需安装，打开即用，数据在浏览器本地处理，保护您的隐私。 - **单文件设计** - 所有工具都是独立的 HTML 文件，内联 CSS 和 JavaScript - **无需构建** - 不使用 React/JSX，直接从浏览器打开 - **隐私优先** - 数据在本地处理，不发送到服务器 - **本地依赖** - 第三方库放入 assets/vendor，离线可用 - **可选 CDN** - CDN 优先，失败自动回退到本地资源 - **开源免费** - MIT 许可证，欢迎贡献 --- | 分类 | 描述 | 工具数量 | |------|------|----------| | 格式转换 | 各种文件和数据格式之间的转换工具 | - | | 开发者工具 | 面向开发者的实用工具集合 | - | | 文本处理 | 文本编辑、格式化和处理工具 | - | | 图片处理 | 图片编辑、转换和优化工具 | - | | 实用工具 | 日常生活中的实用小工具 | - | --- - Base32 编码 - Base32 解码 - Base36 编码 - Base36 解码 - Base58 编码 - Base58 解码 - Base64 URL 安全编码 - Base64 URL 安全解码 - Base64 编码解码 - CSV 转 JSON - CSV 转 TSV - CSV 转 Source: justhtmls/html-tools (https://github.com/justhtmls/html-tools)

How it works

JustHTMLs Tools works by processing your input directly. Open-source HTML toolset. Format converters (JSON, CSV, YAML, XML), developer tools (formatters, JWT, UUID, regex), text processing, image tools (watermark, compress, crop, resize, WebP).

How to use it

  1. 1Open JustHTMLs Tools and choose a formatter or converter, such as JSON to YAML.
  2. 2Paste your input into the editor panel.
  3. 3Pick the output format and any formatting options.
  4. 4Click Convert or Format to generate the result.
  5. 5Copy the output or download it for use in your development workflow.

What it can do

  • Formatting
  • Conversion
  • Optimization

Use cases

Assumptions and limitations

Assumptions

  • source: https://github.com/justhtmls/html-tools
  • license: MIT — free to use
  • privacy: Opens an external demo

Limitations

  • This is an open-source project maintained at justhtmls/html-tools. Check the repository for current feature status and known issues.

Understanding the result

Open-source HTML toolset. Format converters (JSON, CSV, YAML, XML), developer tools (formatters, JWT, UUID, regex), text processing, image tools (watermark, compress, crop, resize, WebP).

Tool details

  • Clearly flagged when a network request is needed.
  • No account, no sign-up, and no tracking of your content.
  • Powered by html-tools (MIT).
Built with
html-tools (justhtmls/html-tools)
License
MIT
Runs locally
No — requires a network request
Verification
Not yet verified
Input
JSON, CSV, XML
Output
JSON, CSV, XML
Open-source source & license

Built with justhtmls/html-tools. OpenToolVault provides the discovery and browser interface while crediting the original project maintainers.

Built with
html-tools
License
MIT
View source on GitHub

Open-source project

License: MITSource: this projectOfficial site

OpenToolVault is an independent directory. We are not affiliated with or endorsed by this project.

References

Frequently asked

What is Justhtmls Tools?

[在线体验](https://htmls.dev/) | [贡献指南](CONTRIBUTING.md) | [提交工具](https://github.com/justhtmls/html-tools/issues/new?template=tool-submission.md) --- JustHTMLs 是一个开源的 HTML 工具集平台，汇集各种轻量级的在线工具。所有工具均为单文件 HTML，无需安装，打开即用，数据在浏览器本地处理，保护您的隐私。 - **单文件设计** - 所有工具都是独立的 HTML 文件，内联 CSS 和 JavaScript - **无需构建** - 不使用 It is available on GitHub at justhtmls/html-tools.

Is Justhtmls Tools free to use?

Yes — Justhtmls Tools is open-source software. You can use it freely, and the source code is available at https://github.com/justhtmls/html-tools.

Where can I try this tool?

This tool is hosted by its maintainers. Visit the official demo or source repository to use it. (https://github.com/justhtmls/html-tools)

How is Justhtmls Tools licensed?

It is open-source. Check the repository (https://github.com/justhtmls/html-tools) for the specific license.

How is Justhtmls Tools licensed?

It is open-source. Check the repository (https://github.com/justhtmls/html-tools) for the specific license.

Spotted something wrong with Just HTMLs Tools, or want to maintain it? See how to help.