Free online Conversion tools.
Convert ASCII character codes into their equivalent binary (Base-2) representation. Essential tool for studying character maps, digital encoding, and low-level computer science fundamentals.
Convert ASCII character codes (Base-10) back into human-readable text. Professional tool for restoring data from logs, debugging character streams, and interpreting legacy digital signals.
Decode Base32 (RFC 4648) strings back into readable plain text instantly in your browser. Perfect for verifying TOTP secrets and DNS-safe encoded data.
Encode plain text into Base32 (RFC 4648) format instantly in your browser. Ideal for TOTP/2FA secrets, DNS-safe identifiers, and case-insensitive data encoding.
Convert binary bitstreams (0s and 1s) back into standard ASCII decimal codes. Professional tool for deconstructing digital protocols, debugging data streams, and verifying register outputs.
Free binary to decimal converter. Convert any binary number to decimal instantly with bit/byte stats - built for networking, code, and CS students.
Convert binary code (0s and 1s) to hexadecimal format. Instant, free online tool for byte representation and memory analysis.
Convert binary numbers (Base-2) into octal (Base-8) format. Professional tool for legacy system analysis, file permission calculation, and bit grouping.
Decode binary code (0s and 1s) back into human-readable plain text. Professional tool for data recovery, debugging binary protocols, and understanding character encoding.
Convert decimal numbers (Base-10) to binary code (Base-2). Fast and accurate tool for system analysis, bitwise operation planning, and hardware interfacing.
Convert decimal numbers (Base-10) to hexadecimal (Base-16). Fast, free, and accurate online tool for developers, designers, and students.
Convert decimal numbers (Base-10) to octal (Base-8) format. Professional tool for system administration, legacy software maintenance, and mathematical exploration.
Convert a sequence of decimal numeric codes back into readable text.
Convert hexadecimal (HEX) values to binary code easily. Precision tool for software debugging, color analysis, and low-level computing.
Free hex to decimal converter. Convert any hex value to dec instantly with bit/byte breakdown - ideal for colors, memory addresses, and code.
Convert hexadecimal (Base-16) numbers into octal (Base-8) format. Professional tool for low-level system analysis, legacy code conversion, and bitwise mapping.
Convert hexadecimal strings back into readable plain text.
Decode HTML entities (&, <, &#xE9;, etc.) back into their original readable characters instantly in your browser.
Convert special characters into HTML entities (&, <, >, etc.) to safely embed text inside HTML markup. Free and runs entirely in your browser.
Convert numbers to IEEE 754 half, single and double precision. See the sign, exponent and mantissa bits, the hex pattern, the exact stored value and the rounding error, and flip individual bits. Runs in your browser.
Translate International Morse Code back into readable plain text instantly in your browser. Supports letters, numbers, and common punctuation.
Translate plain text into International Morse Code instantly in your browser. Supports letters, numbers, and common punctuation.
Convert any text into the NATO phonetic alphabet (Alpha, Bravo, Charlie...) instantly in your browser. Useful for spelling names and codes clearly over radio or phone.
Free number base converter. Convert integers and fractions of any size between bases 2 and 36 (binary, octal, decimal, hexadecimal, base 36 and more), with exact repeating fractions and grouped binary output.
Convert a number into written-out English words -- perfect for checks, invoices, and legal documents. Free and runs entirely in your browser.
Convert octal numbers (Base-8) to binary code (Base-2). Professional tool for file permission analysis, digital circuit design, and bitwise operations.
Convert octal numbers (Base-8) to decimal numbers (Base-10). Professional tool for mathematical computing, system configuration analysis, and numerical base exploration.
Convert octal numbers (Base-8) to hexadecimal (Base-16). Professional tool for cross-platform data mapping, legacy system integration, and firmware analysis.
Convert octal number sequences (Base-8) back into readable plain text. Professional tool for forensic data recovery, legacy message decoding, and bitwise string analysis.
Convert human-readable text strings into their standard ASCII decimal codes (Base-10). Professional tool for investigating character encoding, preparing data for scripts, and understanding computer science mapping.
Convert plain text strings into binary code (Base-2). Professional tool for understanding digital data representation, encoding messages, and exploring computer science fundamentals.
Convert plain text strings into a sequence of decimal numeric codes (Base-10). Professional tool for auditing character encodings, debugging string data, and learning numeric mapping.
Convert plain text strings into hexadecimal code (Base-16). Professional tool for auditing character encodings, debugging web data, and learning hexadecimal mapping.
Convert plain text strings into a sequence of octal numbers (Base-8). Professional tool for analyzing legacy encoding schemes, file permission mapping, and computer science study.
Convert Unix epoch timestamps to human-readable dates and back, live, in your browser. Instantly see the ISO 8601, UTC, local, and relative time for any timestamp.
Decode percent-encoded (URL-encoded) text back into its original readable form instantly in your browser. Free and private.
Percent-encode text or full URLs for safe use in query strings, links, and API requests. Fast, free, and runs entirely in your browser.
Quickly decode your Base64 strings back to plain text with our free online tool. Safe, fast, and secure processing entirely within your browser.
Quickly encode your plain text or binary data into Base64 format with our free online tool. Perfect for data transmission and storage.
Generate a standard .ics calendar event file from a title, date, time, and location -- importable into Google Calendar, Outlook, and Apple Calendar. Free and 100% client-side.
Convert JSON to TOML online. Paste a JSON object and get clean TOML with tables and arrays of tables, ready for Cargo.toml, pyproject.toml or any TOML config. Explains what cannot be converted. Runs in your browser.
Convert TOML to JSON online. Paste a TOML file, such as Cargo.toml or pyproject.toml, and get formatted JSON. Follows TOML 1.0, keeps dates and 64-bit integers exact, and shows the line and column of any error. Runs in your browser.
Generate a standard vCard (.vcf) contact file from a name, phone, email, and address -- ready to import into any contacts app. Free and 100% client-side.
Encrypt and decrypt text with the Caesar cipher using any shift from 0 to 25. See all 26 possibilities at once and detect the likely shift automatically from letter frequencies. Free and private.
Convert colors between HEX, RGB, HSL, and CMYK formats with our free online tool. Accurate color translations for web design and digital art.
Convert text into bold, italic, script, fraktur, double-struck, monospace, circled, small caps, upside-down and more with copy-and-paste Unicode. Works in bios, posts and chats. Free.
Convert HEX color codes to RGB values instantly. Our free tool provides accurate RGB components for any valid hexadecimal color string.
Convert RGB values to HEX color codes instantly. Our free tool provides accurate hexadecimal translations for any valid RGB component combination.
Encode or decode text with ROT13 or a custom Caesar cipher shift, computed instantly in your browser. Free and works entirely client-side.
Free Unicode inspector. Paste text to see every character's code point, general category, script, UTF-8 bytes, UTF-16 code units and escapes for JavaScript, Python, HTML, CSS and URLs, plus NFC/NFD/NFKC/NFKD normalization.
Convert any unit instantly. Free unit conversion calculator for length, mass, temperature, area, and volume — bidirectional, shareable links, works entirely in your browser.