Delete Google Docs Text With an Exact API Range

Delete Google Docs text through a precisely identified API range. A stale or incorrectly calculated range can remove neighboring content, so read the current document before preparing a deletion.

Identify the exact intended text

1. Fetch the current document with the required tab content.
2. Find the target tab and segment.
3. Inspect the structural start and end indexes and the actual text.
4. Confirm the planned range contains only the material intended for removal.

Indexes are UTF-16 code-unit offsets. Do not substitute a character count from a language runtime without checking its encoding model. Compare the planned removal with a retained before-state sample before sending the request.

Use DeleteContentRange deliberately

Build a deleteContentRange subrequest with the intended range, including the tab ID and validated startIndex and endIndex. Submit it through documents.batchUpdate.

Respect API structural rules. Invalid operations include deleting only one code unit of a surrogate pair, removing a segment’s final newline, or deleting only part of a table’s structural boundary.

Guard and inspect the result

Use an appropriate revision guard for a plan derived from a prior read. If the document changed, reread and recompute rather than retrying an old range blindly.

After the deletion, compare the target passage and its neighbors. Crossing a paragraph boundary can merge paragraphs and affect styles, lists, bookmarks, or positioned objects. Deletion also shifts later indexes. Retain a suitable reference copy and test on controlled sample content first. A valid API response is not evidence that no meaningful text or structural relationship was lost.

References

• Insert, delete, and move text  |  Google Docs  |  Google for Developers
• Structural edit rules and behavior  |  Google Docs  |  Google for Developers
• Structure of a Google Docs document  |  Google for Developers

Reviewed against the linked official product guidance on November 3, 2026. Features, limits, screen labels, and access can vary by account, platform, region, and organization policy.