For the complete documentation index, see llms.txt.
19 endpoints

Developer API

Same bearer token, same credit pool, same JSON envelope as every other endpoint — drop them into apps, sites, workflows, or agents without rebuilding formulas, validation, or docs.

Start free → View OpenAPI All categories
CSS
CSS Grid Generatorcss-grid-generator
Generate responsive or fixed CSS Grid styles and matching HTML markup.
1cr · v2026-04-22
Color
Color Invertercolor-inverter
Invert a hex colour and report luminance plus a readable text colour.
1cr · v2026-04-22
Data Conversion
cURL to JSON Convertercurl-to-json-converter
Parse a curl command into structured JSON (method, URL parts, headers, cookies, auth, body) and emit equivalent Python, Node.js, PHP, or Go code.
1cr · v2026-04-22
JSON to YAML Converterjson-to-yaml-converter
Convert a JSON document into block-style YAML, quoting only the scalars that need it.
1cr · v2026-04-22
XML to JSON Converterxml-to-json-converter
Convert XML into JSON using standard, compact, JsonML, or preserve styles.
1cr · v2026-04-22
Data Formatting
ISO 8601 Date Formatteriso-8601-date-formatter
Render one instant as ISO 8601 extended, basic, week and ordinal dates, RFC 2822, HTTP-date, and Unix time.
1cr · v2026-04-22
JSON Formatter/Validatorjson-formatter-validator
Validate, beautify, minify, or repair JSON with precise error positions, size savings, nesting depth, and element counts.
1cr · v2026-04-22
JSON Schema Generatorjson-schema-generator
Infer a JSON Schema (2020-12, 2019-09, or draft-07) from a sample document, with format detection, enum inference, and required-property control.
1cr · v2026-04-22
SQL Formattersql-formatter
Format or minify SQL with keyword casing, breaking clauses and joins onto their own lines.
1cr · v2026-04-22
YAML Formatter/Validatoryaml-formatter-validator
Validate, format, minify, or convert YAML to JSON.
1cr · v2026-04-22
Data Validation
UUID Validator/Decoderuuid-validator-decoder
Validate and decode UUIDs: version, variant, field breakdown, v1/v7 timestamps and MAC address, alternate encodings, and v3/v5 namespace verification.
1cr · v2026-04-22
XML Validatorxml-validator
Validate XML well-formedness and return document statistics.
1cr · v2026-04-22
Encoders
Text to Binary/Hex/ASCII Convertertext-to-binary-hex-ascii-converter
Encode or decode text, binary, hex, and ASCII byte values.
1cr · v2026-04-22
General Tools
ASCII Table Referenceascii-table-reference
Full 7-bit ASCII table in decimal, hex, octal, and binary, with single-character lookup.
1cr · v2026-04-22
cURL Command Buildercurl-command-builder
Assemble a shell-safe curl command from method, URL, query parameters, headers, body, and auth, in multi-line, one-line, CMD, or PowerShell style.
1cr · v2026-04-22
HTTP Status Code Referencehttp-status-code-reference
Look up an HTTP status code or browse the registered codes by class with their defining RFCs.
1cr · v2026-04-22
Unix Permission Calculatorunix-permission-calculator
Convert Unix permission digits into symbolic permissions and chmod notation.
1cr · v2026-04-22
Logic
Logic Gate Simulatorlogic-gate-simulator
Evaluate Boolean gate expressions and return a truth table, minterms, classification, and gate counts.
1cr · v2026-04-22
Text Conversion
Text to SQL List Convertertext-to-sql-list-converter
Convert lines of text into quoted SQL IN-list or tuple syntax.
1cr · v2026-04-22