What does Indent Lines do that other Text pages on this site do not?

Prefix each non-empty line. Choose space count or tab count. Short version: Indent lines with spaces or tabs.

Does Indent Lines upload my file or text to Tool-You servers?

No. Indent Lines runs in this browser tab. Files stay on the device. Limit note: Spaces 0–16 or tabs 1–8. Empty lines stay empty.

Should I use Prefix and Suffix Lines instead of Indent Lines?

Use Indent Lines when you need Indent lines with spaces or tabs. Use Prefix and Suffix Lines when you need Add prefix/suffix per line; skip empties optional. They share a category (Text) but not the same job.

What are the limits of Indent Lines?

Spaces 0–16 or tabs 1–8. Empty lines stay empty. Also: Prefix each non-empty line. Choose space count or tab count.

Indent Lines

Indent lines with spaces or tabs.

Prefix each non-empty line. Choose space count or tab count.

What Indent Lines does

Prefix each non-empty line. Choose space count or tab count.

Indent Lines sits in the Text group on purpose. It is not Prefix and Suffix Lines (Add prefix/suffix per line; skip empties optional.) and not Tabs to Spaces (Replace tabs with spaces.). Choose this page when you need Indent lines with spaces or tabs. If you stretch Indent Lines into a neighbor’s job, the result will look wrong even though the site chrome looks the same.

How to use Indent Lines

Keep this tab on Indent Lines (/indent-lines). Pasting into the wrong Text tool (for example Prefix and Suffix Lines) changes the job.
Paste or type the input Indent Lines expects. Path hint: indent lines. Indent lines with spaces or tabs.
Apply the Indent Lines action only. Tabs to Spaces is a different transform (Replace tabs with spaces.). Prefix each non-empty line. Choose space count or tab count.
Copy the output of Indent Lines if you need it elsewhere. Size/complexity still follows: Spaces 0–16 or tabs 1–8. Empty lines stay empty.
If the text job is actually Add prefix/suffix per line; skip empties optional., leave Indent Lines and open Prefix and Suffix Lines.

When not to use Indent Lines

Skip Indent Lines when a neighbor tool matches better — start with Prefix and Suffix Lines or Tabs to Spaces — or when the description already warns the job will fail. In the tool’s own words: Prefix each non-empty line. Choose space count or tab count.

Questions about Indent Lines

What does Indent Lines do that other Text pages on this site do not?: Prefix each non-empty line. Choose space count or tab count. Short version: Indent lines with spaces or tabs.
Does Indent Lines upload my file or text to Tool-You servers?: No. Indent Lines runs in this browser tab. Files stay on the device. Limit note: Spaces 0–16 or tabs 1–8. Empty lines stay empty.
Should I use Prefix and Suffix Lines instead of Indent Lines?: Use Indent Lines when you need Indent lines with spaces or tabs. Use Prefix and Suffix Lines when you need Add prefix/suffix per line; skip empties optional. They share a category (Text) but not the same job.
What are the limits of Indent Lines?: Spaces 0–16 or tabs 1–8. Empty lines stay empty. Also: Prefix each non-empty line. Choose space count or tab count.