Check Manuscript File Number Gaps Before Submission

How to use it

Check the first numeric sequence found in each filename, then report the overall range, missing numbers and duplicate sequence numbers.

1. Paste one filename per line.
2. Select Check.
3. Review Range, Missing and Duplicates.

Number source

First run of digits in each filename

Non-number filenames

Ignored

Range

Minimum through maximum detected number

Safety limit

Maximum range span: 10,000

001.png, 002.png, 003.png, 005.png reports missing 4

If a filename contains several number groups, only the first group is used. For example, 2026_photo_003.png is treated as sequence number 2026.