CSV UTILITIES
CSV Duplicate Row Remover
Remove exact duplicate records locally with a selectable one-character delimiter while keeping the first row.DUPLICATE REVIEW · LOCAL CSV STUDIO
Keep the first. Review the repeats.
Remove exact duplicate records locally with a selectable one-character delimiter while keeping the first row.
01
Source rows4 parsed · 24 characters
REPEAT DETECTOR
Keep the first copy of each exact row.
1duplicates found
01
id | nameHEADER02
1 | AnaKEEP FIRST03
2 | BoKEEP FIRST04
1 | AnaDUPLICATEOne character · comma by default · fields are compared exactly
✓
Comparison is exact after CSV parsing: capitalization and spaces matter. Header row is retained once.
02 / RESULT
Unique records
1 duplicate rows removed
Everything stays in this tab. Quoted fields are parsed before changes; review the transformed sample before importing it into another system.
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How this app works
Paste a CSV sample, choose the operation’s small set of controls, and review the converted output. Quoted delimiters are parsed before rows or columns are changed. Processing stays in this browser.