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我建立了39個免費的基於瀏覽器的開發工具——這是我所做的每一個決定以及原因。
Mathew Addal · 2026-05-28 · via DEV Community

Mathew Addala

我厭倦了每天重複同樣的事情。

Google「json formatter online」。進入一個2011年的網站。點擊格式化。彈出廣告。格式化JSON。關閉分頁。明天再重複。

於是我建立了 BuiltItDev — 39個完全在瀏覽器中執行的開發者工具。沒有帳號。沒有收費牆。沒有資料離開你的機器。

為什麼只做客戶端?
你在貼上 API 金鑰、JWT 令牌、內部 JSON——這些資料不該傳到別人的後端。

一切都在本地處理。雜湊生成使用 Web Crypto API。JWT 解碼在瀏覽器中進行分割和 base64 解碼。無網路呼叫。無任何記錄。

堆疊
Next.js 16 App Router + TypeScript。49 個靜態路由,完全預先渲染。每個工具都有自己的路由(/tools/json-formatter、/tools/base64),因此每個頁面都可以在 Google 上獨立排名。

目前工具
類別 範例
編碼 Base64、URL 編碼器、HTML 實體編碼器
格式化 JSON 格式化工具、Markdown 預覽器、XML 格式化工具
產生器 通用唯一識別碼(UUID)、Lorem ipsum(預設佔位文字)、雜湊(MD5/SHA系列)
轉換器 顏色(HEX/RGB/HSL)、時間戳記、數字基底
開發工具 正則表達式測試器(Regex tester)、JWT解碼器(JWT decoder)、Cron解析器(Cron parser)、差異檢查器(Diff checker)
總計39個。更多工具將根據請求陸續推出。

我對你的期望
每隔幾個月你就會寫一個一次性腳本的工具是什麼,因為沒有乾淨的瀏覽器版本?留言告訴我——我會把它做出來。

→ builtitdev.com