Find & Replace

Search and replace text with regex, normalizations, and streaming output for multi-gigabyte files

How it works: Upload CSV → auto-detects text columns → apply find/replace + normalizations → process at ~363K rows/sec (measured; varies by machine, file, browser). Privacy first: Everything happens in your browser.

Upload CSV/TSV file

Click to browse or drag and drop

Benchmark Performance

Real-world tested, production-ready

~363K rows/sec

102M rows tested

281s

View full benchmark →