CSV tools
Simple tools that work in your browser and keep your input on your device.
7 tools available
Browse all toolsShowing 1–7 of 7 tools
CSV tools
JSON to CSV Converter
Convert flat JSON records to delimited text with first-seen columns, original number spellings and explicit empty-value rules.
Open tool — JSON to CSV ConverterCSV Delimiter Converter
Convert CSV separators, preview real columns and spot import problems. Works locally with CSV, TSV and text; values remain unchanged.
Open tool — CSV Delimiter ConverterCompare Two CSV Files
Match rows by a key column and find added, removed and changed records.
Open tool — Compare Two CSV FilesCSV Duplicate Finder & Remover
Find exact duplicate CSV rows or repeated IDs. Review conflicting values, keep original data and download retained, removed and unresolved records.
Open tool — CSV Duplicate Finder & RemoverCSV Merger
Combine rows from several CSV files by exact column name. Preview alignment and download CSV with a merge report.
Open tool — CSV MergerCSV to JSON Converter
Convert CSV text or UTF-8 files to JSON objects or arrays, keeping cells as strings without guessing data types.
Open tool — CSV to JSON ConverterCSV Splitter
Split a CSV by rows or exact file size. Keep headers and download each part.
Open tool — CSV Splitter