Converter Tools
Debug APIs, clean content, format data, and run release checks directly in your browser.
Converters for everyday format swaps: encoding, structured data, color and design units, document and media formats.
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Base64
Encode & decode Base64
Encoding
URL Encode / Decode
Encode/decode URL parameters and full URLs safely
Encoding
Color Converter
Convert between HEX, RGB, HSL, HSV & CMYK
Color & Design
YAML ↔ JSON
Convert between YAML and JSON
Data Format
JSON ↔ CSV
Convert between JSON arrays and CSV
Data Format
JSON to Excel
Convert JSON objects and arrays to XLSX
Data Format
Markdown → HTML
Convert Markdown to HTML with live preview
Document & Media
Image to Base64
Convert images to Base64 data URLs
Encoding
Text to Binary
Convert text to binary, hex, octal & decimal
Encoding
CSS Unit Converter
Convert px, rem, em, vw, vh and more
Units, Time & Number
Number to Words
Convert numbers to English words & more
Units, Time & Number
Roman Numeral Converter
Convert between numbers and Roman numerals
Units, Time & Number
XML to JSON
Convert XML into structured JSON
Data Format
Delimiter Converter
Convert CSV, TSV, Pipe, and Semicolon formats
Data Format
Color Palette Generator
Generate palettes from a base color
Color & Design
JSONL Converter
Convert JSON array and JSON Lines
Data Format
HTML to Text
Convert HTML markup to plain text
Document & Media
Unicode Escape Converter
Convert text and unicode escapes
Encoding
Color Contrast Checker
Check WCAG contrast ratio
Color & Design
HTML Table to CSV
Convert HTML tables into CSV
Document & Media
Base32 Encode / Decode
Encode and decode Base32 text
Encoding
Timezone Converter
Convert time across global timezones
Units, Time & Number
Base58 Encode / Decode
Convert text and Base58 strings
Encoding
Byte Size Converter
Convert between byte storage units
Units, Time & Number
Duration Converter
Convert durations across time units
Units, Time & Number
Base62 Encoder Decoder
Encode and decode Base62 strings
Units, Time & Number
Date Difference Calculator
Calculate exact and calendar date differences
Units, Time & Number
INI to JSON
Convert INI config files to clean JSON with type parsing
Data Format
QR Code Decoder from Image
Read QR content from an uploaded, dropped, or pasted image
Document & Media
Excel to JSON Converter
Read XLS or XLSX worksheets and export typed rows as JSON
Data Format
CSV Viewer
Open, filter, sort, hide columns, and export CSV or TSV data locally
Data Format
XLSX Viewer
Open XLS/XLSX workbooks locally with multi-sheet preview, filter, sort, copy, and CSV export
Data Format
TOML to JSON Converter
Convert and validate TOML and JSON in both directions with nested tables and arrays
Data Format
.env to JSON Converter
Convert dotenv variables and JSON in both directions with type inference and nested-key flattening
Data Format
XML to CSV Converter
Extract repeated XML elements into CSV rows with attribute mapping and a table preview
Data Format
CSV to XML Converter
Turn CSV rows into configurable XML elements with optional @-prefixed attributes
Data Format
JSON to XML Converter
Convert JSON objects and arrays to XML with configurable roots, attributes, and text nodes
Data Format
CSV to Excel
Convert CSV or TSV into a real XLSX workbook with typed cells
Data Format
Markdown to PDF
Render Markdown headings, lists, tables, and code into a PDF
Document & Media