Tools
17 utilities, grouped by category and numbered. Every one of them runs in your browser; your input is not sent anywhere.
DATA
Format, validate, inspect and convert structured data.
- DATA / 01JSON FormatterPretty-print, minify and validate JSON with exact error positions.
- DATA / 02JSON ValidatorCheck JSON syntax and get a plain-language diagnosis of what is wrong.
- DATA / 03JSON ViewerExplore JSON as a collapsible tree, search keys and copy paths.
- DATA / 04JSON ↔ YAML ConverterConvert JSON to YAML and YAML to JSON in either direction.
- DATA / 05JSON ↔ CSV ConverterConvert arrays of objects to CSV and CSV back to JSON.
ENC · Encoding
Encode and decode text for transport and URLs.
SEC · Security
Inspect tokens and compute hashes, locally.
GEN · Generators
Identifiers and random values from a secure source.
DEV · Development
Test and debug everyday development inputs.
TIME
Timestamps, epochs and date representations.
NET · Network
Addressing and subnet math.
OPS · DevOps
Scheduling and Unix system utilities.
- OPS / 01Cron Expression BuilderBuild a cron schedule from a form and see the expression and next runs.
- OPS / 02Cron Expression ParserPaste a cron expression and get a plain-English description and next runs.
- OPS / 03chmod CalculatorConvert between chmod numeric and symbolic permissions with a visual grid.