文本处理与格式转换工具，支持替换、格式化、统计与编码，适用于文案编辑与批量处理。 浏览器本地处理、数据不上传、即开即用。A free online collection of Text Tools tools. All processing runs in your browser, no upload, no registration.
The slow part of working with text is rarely the writing — it is the cleanup. These tools cover the full chain: strip duplicates and blank lines to compress messy input, run a bulk replace to unify terminology, then use the diff checker to verify what actually changed between two versions. Nothing is uploaded; the text stays in your browser memory and disappears when you close the tab.
No. Every operation runs in browser memory and is cleared when the tab closes. No text ever reaches a server.
Several hundred thousand characters work fine on a typical machine; the real limit is your device memory.
Yes. It locates differences line by line and highlights the exact characters that changed within each line.