Convert between tab-separated and comma-separated values with proper quoting. Move data between Unix tools and Excel cleanly — local conversion, free, no signup.
Convert data between JSON, CSV, XML, YAML, and TSV with structure preserved. Migrate configs across stacks without rewriting — local PapaParse/xml2js/yaml parsing, free, no signup.
Convert between XLSX workbooks and CSV files preserving sheets and encoding. Move data across Excel and pipelines — local SheetJS work, unlimited saves.
Convert values between string, number, boolean, array, and object types with validation. Fix API type mismatches fast — local conversion, free, no signup.
Convert lists between comma, newline, pipe, tab, semicolon, and space delimiters. Move data across tools without reformatting — free, local, no signup.
Build OAuth scope strings from comma-separated values with URL encoding and breakdown. Space-delimited scopes with encoding handled — free, local, no signup.
Unix pipelines, log exports, and bioinformatics favor tabs (commas appear in text constantly). Excel prefers CSV — convert at the boundary.
Yes — embedded tabs/commas, quotes, and newlines quote and escape per RFC 4180. Hand-rolled splits corrupt these; proper parsing doesn't.
Hundreds of thousands of rows convert locally in seconds. Million-row files split by time or key first.
No — conversion runs locally in your browser. Data never leaves your device.
CSV Output Tools
Format and validate CSV files — consistent delimiters, quoting, and line endings. Fix files Excel mangles on export — local processing, free, no signup.
XLSX ↔ CSV Converter
Convert between XLSX workbooks and CSV files preserving sheets and encoding. Move data across Excel and pipelines — local SheetJS work, unlimited saves.
Data Format Converter
Convert data between JSON, CSV, XML, YAML, and TSV with structure preserved. Migrate configs across stacks without rewriting — local PapaParse/xml2js/yaml parsing, free, no signup.
Last updated October 2026