CSV, XML, TOML — move between data formats losslessly.
Convert XML trees to JSON.
Modern config format conversion.
Parse INSERT statements into JSON objects.
Convert cURL commands to JavaScript fetch.
cURL → Python, Go, Node, PHP, Rust.
Bin, oct, dec, hex — any base.
Length, weight, temperature, data sizes.
Human ↔ bytes (KB, MiB, GB, etc.).
px, rem, em, pt, %, vw, vh.
Convert JSON objects to well-formed XML.
Convert JSON to TOML config syntax.
Generate INSERT statements from a JSON array.
Convert CSV rows to a YAML list of records.
Flatten YAML list of records to CSV.
Switch between comma- and tab-separated values.
Convert CSV to a structured XML document.
Flatten XML rows into CSV.
Wrap CSV rows in an HTML <table>.
Generate bulk INSERT statements from CSV.
Convert YAML documents to XML.
Convert XML documents to YAML.
Parse classic INI / config files into JSON.
Serialise a flat JSON object to INI sections.
Java / Spring .properties → JSON.
Flatten JSON to Java .properties format.
Convert .env files to a JSON object.
Generate a .env file from a JSON object.
Convert a curl command to Python requests.
Convert a curl command to axios.
Convert a curl command to Go net/http.
Convert a curl command to Java OkHttp.
Convert a curl command to Rust reqwest.
Convert a curl command to PHP cURL.
Convert a curl command to Ruby Net::HTTP.
Convert a curl command to C# HttpClient.
Convert a curl command to Invoke-RestMethod.
Decimal ↔ Roman numerals (I, V, X, L, C, D, M).
Switch between 755 and rwxr-xr-x notation.
Float ↔ hex bits (32- and 64-bit).
Swap byte order between little- and big-endian.
Unix timestamp ↔ ISO / human date.
Re-format dates between common patterns.
Translate a cron expression to plain English.
Translate between Unix cron and Quartz / AWS schedule.
Celsius ↔ Fahrenheit ↔ Kelvin.
Decimal degrees ↔ DMS lat/lng.
Convert CSS declarations to a JS style object.
Paste raw SVG and get a JSX-safe component.
Convert HTML to JSX (class → className, etc.).
Convert HTML markup to Pug / Jade templates.
Render Pug templates to HTML.
Extract inline style attributes to a stylesheet.
Map Bootstrap utility classes to Tailwind.
Upgrade Swagger 2.0 docs to OpenAPI 3.0.
Generate TypeScript types from an OpenAPI spec.
Extract requests from a browser HAR log as curl commands.
Convert a docker run command to docker-compose.yml.
Convert WebVTT subtitle files to SRT format.
Convert SRT subtitle files to WebVTT.
Quick answers to the questions developers ask most.
Switch context — 11 more toolsets ready to go.