JSON Formatter & Validator
Format, minify and check JSON syntax with precise error locations, duplicate-key warnings and exact number preservation.
Useful inputs, ready-to-use results
Free calculators and data tools
Clean a table, make JSON easier to read, prepare campaign links or compare changes between values. Check the result in your browser, then copy or download it.
- Available now
- 4 tools
- Cost
- Free to use
Available now
Explore Calculators & Data tools.
Choose a tool to get started. Instructions and examples are included on each page.
CSV Cleaner & Converter
Clean up rows, choose and reorder columns, rename headers, and export CSV, TSV or JSON with a clear preview.
UTM Campaign Link Builder
Build campaign URLs one at a time or from a CSV, then copy or export your links.
Percentage Change Calculator
Calculate percentage change and the difference between two values.