Simple. Fast. Useful.

Choose your tool

TEXT TOOL

Line and Column to Text Offset

Map one-based line and UTF-16 column positions to an offset.

â—‡ Browser only
0 lines · 0 characters
Ready when you are
Your results will appear here.
Copy or download your result below.

Your text stays on this device.

Favorites
Recently used
LESS BUSYWORK, MORE DONE

Three steps. That’s it.

A useful toolkit for text, data, images and calculations.

  1. 01

    Add your input

    Choose a tool, enter values or select a file.

  2. 02

    Make it yours

    Adjust the options and run the action.

  3. 03

    Take the result

    Copy the result or download its file.

Line column to offset converter online

Map one-based line and UTF-16 column positions to an offset. Use this for the specific transformation described above. Start with the fixed sample and compare its result before replacing it with your own representative input.

How to use it

Paste the multi-line input in the format shown below. Set line, column. Choose Run tool. Review the output, then copy or download it.

Options and example settings

OptionChoices / valueExample default
LineEnter line.2
ColumnEnter column.3

Worked examples

Use this for the specific transformation described above. Start with the fixed sample and compare its result before replacing it with your own representative input.

Reproducible worked example

Settings: Line: 2; Column: 3

Input:

first
second
third

With the input and settings above, the tool produces:

Output:

8

Limitations and common mistakes

  • Results reflect your supplied input and selected settings. Check the worked example and output before reuse.
  • Combined input is bounded to 150,000 characters; output text is bounded to 1.2 million characters. Some algorithms impose smaller limits, stated in their error messages.

Frequently asked questions

What format should I enter?

Paste the multi-line input in the format shown below. The worked example shows the supported structure and actual output.

How can I map one-based line and UTF16 column positions to an offset online?

Paste the multi-line input in the format shown below. Set line, column. Choose Run tool. Review the output, then copy or download it.

Where is my input processed?

The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.

Useful next tools

Explore other tools

Open a tool below, use the search, or choose a category to browse its full collection.