Development
Simulate the next runs of one or two 5-part cron expressions, highlight overlaps, and warn about overly dense schedules
cron-job-simulatorDevelopment
Generate boundary-value test cases from an OpenAPI 3.x document and optionally send them to a real backend to spot contract mismatches
api-contract-stress-testerData Processing
Preview JSONata-style queries and transformations, compare results across sample payloads, and export the transformed output as JSON, CSV, YAML, or Markdown
jsonata-query-transform-studioData Processing
Trace JSON field paths, derived dependencies, and transformation history to build a field-level lineage graph
json-data-lineage-tracerMath & Numbers
Convert bytes to megabytes using the decimal MB standard with configurable precision
byte-to-mbDesign
Extract dominant colors from an image, export code-ready tokens, and check contrast ratios
image-color-palette-extractorDevelopment
Query arbitrary JSON with JSONPath expressions, preview matches, switch output modes, and save reusable query templates
jsonpath-query-toolSEO
Turn CSV or Excel rows into Schema.org JSON-LD for articles, products, or events, with validation-ready output for SEO workflows
json-ld-generator-from-csvDevelopment
Parse cron schedules, validate standard or Quartz syntax, and visualize the next execution times on a timeline and grouped calendar view
cron-expression-visualizerData Processing
Query JSON with JSONPath or JMESPath-style expressions, inspect matched paths, and highlight extracted values in the original document
json-path-extractorDevelopment
Generate polished API documentation from OpenAPI or annotated comments
api-doc-generatorDevelopment
Generate cURL and common language code snippets from a request URL, method, headers, query parameters, and body
api-request-code-snippet-generator