Design
Measure WCAG contrast, simulate major color-vision deficiencies, and optionally flag low-contrast regions in a UI screenshot
color-vision-accessibility-checkerDevelopment
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-testerMath & Numbers
Convert bytes to megabytes using the decimal MB standard with configurable precision
byte-to-mbDevelopment
Parse cron schedules, validate standard or Quartz syntax, and visualize the next execution times on a timeline and grouped calendar view
cron-expression-visualizerDevelopment
Generate polished API documentation from OpenAPI or annotated comments
api-doc-generatorDevelopment
Measure cyclomatic and cognitive complexity across multiple programming languages
code-complexity-analyzerDevelopment
Generate cURL and common language code snippets from a request URL, method, headers, query parameters, and body
api-request-code-snippet-generatorMath & Numbers
Run one-way ANOVA across multiple groups and inspect sums of squares, F statistic, and p-value
anova-calculatorMath & Numbers
Calculate confidence intervals for a sample mean or proportion using either raw data or summary statistics
confidence-interval-calculatorDevelopment
Generate a runnable Redis-backed mock API server with 1-hour TTL, hot updates, and dynamic templated responses
api-mock-serverAI Tools
Use a vision LLM to recognize the image and automatically retouch it
ai-image-style-sharp-optimizerData Processing
Assign own and inherited properties using lodash _.assignIn
assign-in-object