【开源自荐】A Box of Tools:35 个不上传文件的浏览器工具,装成 PWA 可离线用
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Description
A Box of Tools 是一箱子小工具,一个工具只干一件事:把图片压到指定大小、合并/压缩/涂黑 PDF、裁剪视频、剪辑音频、读二维码和条形码、格式化 JSON、比较文本、生成多尺寸 .ico 图标……目前 35 个。
和常见的在线工具站不一样的地方是没有服务器这一步。不是"承诺不保存",而是代码里根本没有一条能把文件发出去的路径。整站开源(MIT),python build.py --check 会把线上服务的文件和仓库里的逐字节比对一遍,所以这句话是可以自己验证的,不用信我。
几个实现上的选择,可能比工具本身更值得一说:
- JavaScript 没有构建步骤。
tools/<slug>/src/里的代码就是浏览器逐字节运行的代码,没有依赖,没有 lockfile,View Source 看到什么就是什么。 - 每个工具是独立的 PWA 注册,各自带 manifest 和 service worker,装上之后断网照样能用。
- PDF 涂黑是真的删字:从内容流里移除字形并补一个 kern 让后面的文字不移位,同时清掉
/ActualText,而不是画一个黑框盖在还能选中复制的文字上面。 - HEIC/HEIF 转换用的是编译成 WebAssembly 的 libheif,直接放进仓库而不是从 CDN 拉 —— 首次使用还要下载引擎的工具,算不上离线工具。
支持 15 种语言,简体和繁体中文都是完整翻译,不是机翻套在英文界面上。
预览:https://abox.tools/zh/
源码:https://github.com/A-Box-of-Tools/website

Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
This is a project recommendation rather than a request for a change in the weekly repository. If evaluating the submission, read the linked A Box of Tools project, especially tools//src/ and build.py --check; the submission is complete when its inclusion and presentation in the weekly issue are decided.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript, wasm
- Domain
- content
- Issue type
- Documentation
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Active
- Clarity
- Needs clarification
- Newbie friendliness
- 20/100