Converter

IDN Punnycode Converter

Convert internationalized domain names (IDN) to and from Punycode (ASCII-compatible encoding). Transform Unicode domain names containing accented characters, Arabic, Chinese, or other non-ASCII scripts into their xn-- Punycode equivalents and back. Essential for working with multilingual domain names and internationalized email addresses.

BASE64 Encoder

Encode text to Base64 and decode Base64 strings back to plain text online. Base64 encoding is widely used in data URIs, email attachments (MIME), API authentication tokens, JSON Web Tokens (JWT), and embedding binary data in text formats like XML and JSON. Supports standard Base64 (RFC 4648) encoding and decoding. Fast, free, and works in your browser.

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BASE64 To Image

Convert a Base64-encoded string to an image and preview it in your browser. Paste any Base64 image string (with or without the data: URI prefix) to instantly decode and display the image. Supports PNG, JPEG, GIF, WebP, and other formats. Useful for debugging data URIs, verifying image encoding, and extracting embedded images from HTML or CSS.

Image To BASE64

Convert any image URL to a Base64-encoded string. Fetch an image from the web and get its full Base64 representation ready to use as a data URI in HTML, CSS, or JavaScript. Supports PNG, JPEG, GIF, WebP, and SVG. Useful for embedding images inline, offline storage, and API payloads that require image data.

URL Encoder

URL-encode and decode strings for safe use in web addresses. Percent-encode special characters, spaces, Unicode, and reserved characters for use in query strings, form data, and REST API parameters. Also decode percent-encoded URLs back to readable text. Follows RFC 3986 encoding standard.

Color Converter

Convert colors between all major formats: HEX (#rrggbb), HEXA (#rrggbbaa), RGB (r,g,b), RGBA (r,g,b,a), HSL (hue, saturation, lightness), HSLA, and HSV (hue, saturation, value). Supports shorthand hex (#fff), full hex (#ffffff), named colors, and all CSS color functions. Useful for web design, graphic design, CSS styling, and cross-tool color consistency.

Number Base Converter

Convert numbers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16) instantly. See all four representations at once. Essential for programming, computer science, digital electronics, and understanding how computers store and process numbers. Supports integers of any size.

Morse Converter

Convert text to Morse code and decode Morse code back to text. Supports all 26 English letters (A-Z), digits (0-9), and common punctuation. Morse code uses dots (.) and dashes (-) to represent characters. Useful for learning Morse code, amateur radio (ham radio), educational projects, and encoding messages.

Number To Words

Convert any number to its English word representation. Turn integers into written-out words — for example 1234 becomes 'one thousand two hundred thirty-four'. Useful for writing checks, legal documents, invoices, financial reports, accessibility text, and any context where numbers must be spelled out.

Data Size Converter

Convert between all digital storage and data size units. Supports bits, nibbles, bytes, kilobits (Kb), kibibits (Kib), kilobytes (KB), kibibytes (KiB), megabits (Mb), mebibits (Mib), megabytes (MB), mebibytes (MiB), gigabits (Gb), gibibits (Gib), gigabytes (GB), gibibytes (GiB), terabits (Tb), tebibits (Tib), terabytes (TB), tebibytes (TiB), petabytes (PB), exabytes (EB), zettabytes (ZB), and yottabytes (YB). Useful for networking, storage planning, and bandwidth calculations.

HTML Entity Converter

Convert HTML entities to characters and characters to HTML entities. Encode special characters like <, >, &, ", and ' to their HTML entity equivalents (&lt;, &gt;, &amp;, &quot;, &apos;) for safe display in HTML. Also decode HTML entities back to plain text. Useful for web development, template engines, and content sanitization.

BBCODE To HTML

Convert BBCode markup to HTML. Transform forum-style BBCode tags like [b], [i], [url], [img], [quote], [code], [list], and [color] into their HTML equivalents. Useful for migrating content from old forums (phpBB, vBulletin, SMF), parsing user-generated content, and converting legacy forum posts to modern HTML.

Markdown To HTML

Convert Markdown to HTML online. Transform Markdown syntax — headings, bold, italic, links, images, code blocks, blockquotes, lists, and tables — into clean HTML. Useful for previewing README files, converting blog posts, processing documentation, and integrating Markdown content into HTML-based systems. Supports CommonMark and GitHub Flavored Markdown.

Image Converter

Convert images between all major formats online: PNG to JPG, JPG to PNG, WebP to PNG, PNG to WebP, PNG to BMP, BMP to JPG, JPG to GIF, PNG to ICO, and more. Upload your image and select the output format for instant conversion. Supports transparency handling for PNG and WebP. Free, fast, and no software installation required.

Roman Numeral Converter

Convert numbers to Roman numerals and Roman numerals back to integers online. Supports all values from 1 (I) to 3999 (MMMCMXCIX). Roman numerals use the symbols I (1), V (5), X (10), L (50), C (100), D (500), and M (1000). Useful for clock faces, book chapters, movie sequels, outlines, and historical date notation.