CSV/JSON Converter
Convert CSV, TSV, JSON, XML and Excel tables both ways.
Data and Spreadsheets tools
Work with rows and columns without opening a spreadsheet program. Inspect and sort a CSV, clean inconsistent values, or convert between CSV and JSON. Files and pasted values are processed on your device, and the cleaned result downloads straight to you.
42 tools in this part of the catalogue.
Tools to start with
CSV Viewer
Filter, sort and export matching CSV rows.
CSV Cleaner
Apply chosen cleanup rules to a CSV and download the result.
CSV24 tools
CSV Viewer
Filter, sort and export matching CSV rows.
CSV Cleaner
Apply chosen cleanup rules to a CSV and download the result.
CSV Merge and Join
Join two CSV or Excel tables on one or more key columns.
CSV Diff and Change Report
Compare two CSV versions by a key column.
Dataset Profiler
Describe each CSV column's type, blanks and unique values.
Pivot Table Builder
Group a CSV into a pivot table and download it.
CSV Splitter
Split a CSV by row count or by a column value.
Chart Builder from Data
Turn table rows into a bar, line or pie chart PNG.
Column Split and Combine
Split or join CSV columns and download the result.
Dataset Unpivot Tool
Turn a wide CSV table into a long one.
Transpose Rows and Columns
Flip a CSV table so columns become rows.
Data Quality Rule Checker
Find the CSV rows that break your rules.
Multi-File CSV Concatenation
Stack CSV records with union or matching headers.
Dataset Row Sampler and Splitter
Sample or split rows with explicit counts and seeds.
Data Reconciliation Report
Compare table keys, row counts and control totals.
Row Upsert Between Two Datasets
Replace matching records and append update-only rows.
Person Name Splitter and Normalizer
Split names by a chosen rule and review each result.
Number Column Formatter
Format a numeric CSV column and inspect changed cells.
Text Encoding and Delimiter Inspector
Inspect text encoding evidence, delimiters and line endings.
Dataset Column Mapper
Map table columns to an import schema.
Duplicate Records Across Files
Compare selected keys across two CSV files.
Synthetic Test Dataset Generator
Create repeatable synthetic test rows.
Contact Field Validator and Formatter
Review email, phone and URL contact columns.
CSV Date Format Converter
Change one CSV date column.
Conversion15 tools
CSV/JSON Converter
Convert CSV, TSV, JSON, XML and Excel tables both ways.
Table Format Converter
Convert CSV, Markdown, HTML and JSON tables.
Bulk File Renamer
Rename copies of many files at once and download one ZIP.
Nested JSON to Flat Table
Flatten nested JSON into a CSV table.
Fixed-Width File to CSV Parser
Turn named text positions into guarded CSV columns.
CSV to vCard Contact Converter
Map CSV contact fields and download a vCard file.
Table to SQL Insert Generator
Generate SQL inserts from a table.
SQL Schema to Data Dictionary
Extract a dictionary from supported SQL DDL.
Spreadsheet Formula Generator
Build a formula from ranges and criteria.
Spreadsheet Formula Error Decoder
Find checks for a spreadsheet error.
Excel Workbook Inspector
Inspect stored XLSX sheets and formulas.
Spreadsheet Formula Dependency Visualizer
Map static workbook references and cycles.
Spreadsheet Formula to Pandas Converter
Translate a supported formula to Pandas code.
Country, Currency and Language Code Lookup
Look up pinned ISO codes and names.
CSV and XLSX Converter
Convert a table between CSV and XLSX.
More Data and Spreadsheets tools
YAML and JSON Converter
Convert one YAML document to JSON, or JSON back to YAML.
CSV to PDF
Lay a CSV table out as a PDF with repeated headers.
JSON to TypeScript
Generate typed models from JSON or CSV samples.