Does Delete at Index upload my file or text to Tool-You servers?

No. Delete at Index runs in this browser tab. Files stay on the device. Limit note: Index and count ≥ 1. Empty fails.

Should I use Insert at Index instead of Delete at Index?

Use Delete at Index when you need Delete characters from an index. Use Insert at Index when you need Insert text at a character index. They share a category (Developer) but not the same job.

Delete at Index

Delete characters from an index.

Deletes count characters from a 0-based index. Unlike Insert at Index this deletes. Bad index/count fails. Empty fails.

What Delete at Index does

Deletes count characters from a 0-based index. Unlike Insert at Index this deletes. Bad index/count fails. Empty fails.

Delete at Index sits in the Developer group on purpose. It is not Insert at Index (Insert text at a character index.) and not Slice Text Range (Slice text by start/end indexes.). Choose this page when you need Delete characters from an index. If you stretch Delete at Index into a neighbor’s job, the result will look wrong even though the site chrome looks the same.

How to use Delete at Index

Keep this tab on Delete at Index (/developer/delete-at-index). Pasting into the wrong Developer tool (for example Insert at Index) changes the job.
Paste or type the input Delete at Index expects. Path hint: developer · delete at index. Delete characters from an index.
Apply the Delete at Index action only. Slice Text Range is a different transform (Slice text by start/end indexes.). Deletes count characters from a 0-based index. Unlike Insert at Index this deletes. Bad index/count fails. Empty fails.
Copy the output of Delete at Index if you need it elsewhere. Size/complexity still follows: Index and count ≥ 1. Empty fails.
If the text job is actually Insert text at a character index., leave Delete at Index and open Insert at Index.

When not to use Delete at Index

Skip Delete at Index when a neighbor tool matches better — start with Insert at Index or Slice Text Range — or when the description already warns the job will fail. In the tool’s own words: Deletes count characters from a 0-based index. Unlike Insert at Index this deletes. Bad index/count fails. Empty fails.

Questions about Delete at Index

What does Delete at Index do that other Developer pages on this site do not?: Deletes count characters from a 0-based index. Unlike Insert at Index this deletes. Bad index/count fails. Empty fails. Short version: Delete characters from an index.
Does Delete at Index upload my file or text to Tool-You servers?: No. Delete at Index runs in this browser tab. Files stay on the device. Limit note: Index and count ≥ 1. Empty fails.
Should I use Insert at Index instead of Delete at Index?: Use Delete at Index when you need Delete characters from an index. Use Insert at Index when you need Insert text at a character index. They share a category (Developer) but not the same job.
What are the limits of Delete at Index?: Index and count ≥ 1. Empty fails. Also: Deletes count characters from a 0-based index. Unlike Insert at Index this deletes. Bad index/count fails. Empty fails.