API Documentation

Barcode & Label Tools

• ZPL ViewerPOST /api/v1/zpl/render

  Paste Zebra ZPL code and see the rendered label instantly.

• QR Code ReaderPOST /api/v1/qr-reader

  Decode QR codes from an uploaded image or a public image URL.

• ZPL to PDFBrowser tool

  Turn a ZPL label file into a print-ready PDF at 203, 300 or 600 DPI.

• ZPL to PNGBrowser tool

  Export a ZPL label as a PNG image you can drop into docs or tickets.

• Barcode GeneratorBrowser tool

  Create Code 128, Code 39, EAN, UPC-A, ITF and Codabar barcodes as PNG or SVG.

• QR Code GeneratorBrowser tool

  Build QR codes for text, links, email, phone numbers and Wi-Fi networks.

Developer Tools

• Markdown to HTMLPOST /api/v1/markdown

  Convert Markdown to HTML with a live preview. Expose it as an API.

• SQL FormatterPOST /api/v1/sql-format

  Format and beautify SQL queries for MySQL, PostgreSQL, SQLite and more.

• Text Diff CheckerPOST /api/v1/diff

  Compare two texts side-by-side and highlight additions, deletions and changes.

• JSON FormatterPOST /api/v1/tools/json-formatter

  Pretty-print or minify JSON, with the exact position of any syntax error.

• JSON MinifierPOST /api/v1/tools/json-minifier

  Strip whitespace from JSON to produce the smallest possible payload.

• JSON ValidatorPOST /api/v1/tools/json-validator

  Check whether a document is valid JSON and get the line, column and reason when it is not.

• Base64 Encoder / DecoderPOST /api/v1/tools/base64-encoder-decoder

  Encode and decode Base64 text or files, including data URLs.

• URL Encoder / DecoderPOST /api/v1/tools/url-encoder-decoder

  Percent-encode or decode URLs and query string components.

• HTML Encoder / DecoderPOST /api/v1/tools/html-encoder-decoder

  Encode special characters as HTML entities and decode them back.

• UUID GeneratorPOST /api/v1/tools/uuid-generator

  Generate cryptographically random UUID v4 values in bulk.

• Hash GeneratorPOST /api/v1/tools/hash-generator

  Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes from any text.

• Unix Timestamp ConverterPOST /api/v1/tools/unix-timestamp-converter

  Convert between Unix time and human dates in any timezone.

• Number Base ConverterPOST /api/v1/tools/number-base-converter

  Convert numbers between decimal, hexadecimal, binary and octal instantly.

• JWT DecoderBrowser tool

  Decode and inspect JWT header, payload and signature without a secret.

• Regex TesterBrowser tool

  Write and test regular expressions against sample text with live highlights.

• Password GeneratorBrowser tool

  Generate strong, cryptographically random passwords with custom rules.

• Test Credit Card GeneratorBrowser tool

  Generate Luhn-valid test card numbers with expiry and CVV for development and QA.

• Color ConverterBrowser tool

  Convert colors between HEX, RGB and HSL instantly with a live preview.

• XML FormatterBrowser tool

  Format, indent and validate XML documents in your browser.

• URL ParserBrowser tool

  Parse any URL into its components: protocol, host, path, query params and hash.

• Cron Expression ParserBrowser tool

  Translate CRON expressions into human-readable schedules with next run times.

• Chmod CalculatorBrowser tool

  Calculate Unix file permissions visually and get the chmod octal and symbolic notation.

• JSON DiffBrowser tool

  Compare two JSON objects and highlight added, removed and changed keys.

• CSS MinifierBrowser tool

  Remove whitespace and comments from CSS to reduce file size.

File Conversion Tools

• CSV to JSONPOST /api/v1/tools/csv-to-json

  Convert a CSV file or pasted rows into a JSON array.

• JSON to CSVPOST /api/v1/tools/json-to-csv

  Flatten a JSON array into a CSV that opens cleanly in Excel.

• XML to JSONPOST /api/v1/tools/xml-to-json

  Convert XML documents to readable JSON without touching a server.

• JSON to XMLPOST /api/v1/tools/json-to-xml

  Turn JSON into well-formed XML with a root element you choose.

E-Commerce Tools

• Volumetric Weight CalculatorBrowser tool

  Work out dimensional shipping weight from width, length and height.

• Marketplace Profit CalculatorBrowser tool

  See what is left after commission, shipping, packaging and VAT.

Business Calculators

• VAT CalculatorBrowser tool

  Add VAT to a net price or strip it out of a gross price.

• Discount CalculatorBrowser tool

  Apply one or more discounts and see the real effective rate.

• Profit Margin CalculatorBrowser tool

  Get profit, margin and markup from cost and selling price.

• Percentage CalculatorBrowser tool

  Calculate percentages, percentage change and what percent X is of Y.

• Age & Date Difference CalculatorBrowser tool

  Calculate exact age or the difference between two dates in years, months and days.

• Temperature ConverterBrowser tool

  Convert temperatures between Celsius, Fahrenheit and Kelvin instantly.

Text Tools

• Slug GeneratorPOST /api/v1/tools/slug-generator

  Turn any title into a clean, URL-friendly slug in one click.

• Case ConverterPOST /api/v1/tools/case-converter

  Convert text to camelCase, PascalCase, snake_case, kebab-case and more.

• Word & Character CounterBrowser tool

  Count words, characters, sentences and paragraphs in any text.

• Text ReverserBrowser tool

  Reverse characters, words or lines in any block of text.

• Lorem Ipsum GeneratorBrowser tool

  Generate placeholder text by paragraphs, sentences or words.