Media
Convert DTS audio to AC3 (Dolby Digital) format with bitrate and channel controls
dts-to-ac3Math & Numbers
Calculate Cohen d, Hedges g, Cohen h for proportions, or correlation r effect sizes from summary statistics
effect-size-calculatorMath & Numbers
Compute the dot product, cosine similarity, and angle between two vectors
dot-product-calculatorMath & Numbers
Compute the determinant of a square matrix and explain the main calculation steps
determinant-calculatorMath & Numbers
Check whether one integer is divisible by another and show the quotient, remainder, and optional divisibility hint
divisibility-calculatorMath & Numbers
Calculate natural exponential values e^x, inspect growth factors, and compare them with the inverse e^-x
exponential-calculatorDeveloper Tools
Open password-protected PDFs with OpenDataLoader and export them as Markdown, JSON, or text once the correct password is provided
encrypted-pdf-converterDevelopment
Decode Jaeger, Zipkin, or OpenTelemetry trace JSON and render span timing, dependencies, and error hotspots as an interactive waterfall report
distributed-trace-decoder-waterfall-visualizerDevelopment
Compare dev, staging, and production configuration bundles across JSON, YAML, TOML, or ENV formats and highlight drift, missing keys, and cleanup suggestions
environment-config-diff-visualizerDocument Tools
Generate API documentation PDF from code comments
doc-comment-to-pdf-docsCalculator
Calculate elevation statistics from a list of elevation points
elevation-calculatorData Processing
Apply deep default values using lodash _.defaultsDeep
defaults-deep