Tools
Fileraz
Tools
Fileraz
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Email export deduplication, tag lists merged from two spreadsheets, log lines repeated by a retry loop, or SKU lists pasted from chat. Line boundaries matter: the tool compares whole lines, not individual cells inside CSV unless you split columns yourself first.
With trim enabled, surrounding whitespace is ignored for equality but the kept line keeps its original spacing unless you trim manually afterward. Case-insensitive mode lowercases for comparison only. Order is preserved from top to bottom — the first time a line appears wins.
No fuzzy matching, no Levenshtein near-duplicates, and no column-aware CSV dedupe. Two lines that differ by one invisible character are still two lines. For semantic deduplication you need a different tool or a script.
Exact line match only — no fuzzy or near-duplicate detection.
Not column-aware for CSV.
Blank lines can duplicate like any other line unless you remove them first.
The first occurrence in the document stays; later identical lines (per your trim and case options) are removed.
It compares entire lines. If your CSV has duplicate rows, paste as-is; if you need dedupe on one column only, split or preprocess first.
No. Deduplication runs entirely in the browser.
That is the promise behind every tool here. Files are read in your browser tab, processed there, and discarded when you close it — never uploaded to our servers.