This tool runs only in your browser. It does not upload your text anywhere.
Tip: “Share link” stores your input and options in the URL hash so you can reopen the same result.
This tool runs only in your browser. It does not upload your text anywhere.
Tip: “Share link” stores your input and options in the URL hash so you can reopen the same result.
Text line numberer — Add line numbers to text locally. Choose the start number, zero padding width, separator, and whether to ignore empty lines. Copy output or share a link. Browser-only MVP.
Example: Use this tool to sanity-check numbers quickly, then share the link if you need to discuss with others.
FAQ: (1) Does it upload my data? No—runs in your browser. (2) Can I share results? Yes—use the share link feature. (3) Is it authoritative? Treat it as a convenience, not professional advice.
文字行編號器 — 在本機替文字逐行加上行號：可選起始值、補零位數、分隔符與忽略空行。可複製輸出或分享連結。純前端 MVP。
範例：用這個工具快速試算與對照結果，需要討論時再把連結分享給對方。
FAQ： (1) 會上傳資料嗎？不會，計算在瀏覽器內完成。 (2) 能分享結果嗎？可以，用分享連結。 (3) 準確嗎？請把它當作便利工具，不是專業建議。