Converters: Effortlessly convert text between various formats with our versatile online text converters.
JSON Flattener & Unflattener Convert nested JSON structures to flat dot-notation key-value pairs, or reverse the process to rebuild nested objects from flat keys. This bidirectional tool handles deeply nested objects, arrays with index notation, custom delimiters, and configurable depth limits — all client-side in your browser. Perfect for working with NoSQL databases, environment variable ...
Try the Tool »Time Zone Converter Convert a date and time across multiple time zones simultaneously. Enter a source date, time, and time zone, then add as many target time zones as needed to see the converted times side by side. Supports 24-hour format toggle and all IANA time zones including DST-aware conversions. How to Use Set your ...
Try the Tool »Protobuf Text to JSON Converter Convert between Protobuf text format and JSON instantly. Parse Protobuf TextProto (the human-readable text representation of Protocol Buffer messages) into JSON, or convert JSON back into Protobuf text format. Supports nested messages, repeated fields, and configurable indentation. How to Use Select your conversion direction (Protobuf Text → JSON or JSON ...
Try the Tool »Dotenv to JSON Converter Convert between .env files and JSON instantly with this bidirectional converter. Paste your .env content to get a clean JSON object, or paste JSON to generate properly formatted KEY=VALUE pairs. Handles quoted values, inline comments, multiline strings, export prefixes, and supports nested JSON output by splitting keys on double underscores (__). ...
Try the Tool »BIP39 Mnemonic Converter Generate new BIP39 mnemonic seed phrases or convert an existing phrase to its corresponding seed, extended private key (xprv), and derivation path. Supports 12, 15, 18, 21, and 24-word phrases with an optional passphrase (BIP39 passphrase / 25th word). All computation is fully client-side. How to Use Choose Generate to create a ...
Try the Tool »Bencode Encoder / Decoder Encode JSON to Bencode format or decode Bencode back to JSON instantly. Bencode is the serialisation format used by BitTorrent for .torrent files and the DHT protocol. Paste Bencode input to decode it into readable JSON, or paste JSON to encode it into compact Bencode — all client-side with no data ...
Try the Tool »JSON to TypeScript Interface Generator Instantly convert any JSON object or array into clean, ready-to-use TypeScript interfaces. Paste your JSON, configure your preferred export style, and get properly typed definitions with nested interfaces, optional fields, and union types — all generated client-side in real time. How to Use Paste your JSON data into the input ...
Try the Tool »Pixel / REM / EM Converter Instantly convert between CSS units: pixels (px), root em (rem), and em. Adjust the base font size and watch all values update in real time. Perfect for front-end developers translating design specs into CSS. How to Use Enter a value in any of the three unit fields — px, ...
Try the Tool »Base58 Encoder / Decoder Encode and decode Base58 strings used in Bitcoin addresses, IPFS CIDs, and other blockchain systems. Supports multiple alphabet variants and Base58Check with SHA-256d checksum verification. How to Use Switch between Encode and Decode modes. For encoding, enter text (UTF-8) or hex data and select your Base58 variant. For decoding, paste a ...
Try the Tool »Table to Markdown Converter Convert HTML tables, CSV data, or TSV files into properly formatted Markdown tables with aligned columns. Paste your data, adjust column alignment, and get clean Markdown output instantly. How to Use Select your input format (HTML, CSV, or TSV) and paste your table data. The tool parses the input and generates ...
Try the Tool »HEX Color to Color Name Converter Convert any HEX color code to its nearest CSS/HTML named color instantly. Enter a hex value or use the visual color picker to find the closest matching color name from the standard 140 CSS3 named colors, complete with similarity scores and side-by-side swatch comparisons. How to Use Enter a ...
Try the Tool »LAB to RGB Converter Convert CIE L*a*b* color values to RGB and HEX formats with scientific accuracy. This tool performs the full LAB to XYZ to RGB transformation pipeline using the D65 standard illuminant and proper sRGB gamma correction, with visual color preview and out-of-gamut detection. How to Use Enter your LAB values — L ...
Try the Tool »HSV to RGB Converter Convert between HSV (Hue, Saturation, Value) and RGB color spaces instantly with live visual preview. Adjust hue, saturation, and value using intuitive sliders and see the corresponding RGB and HEX values update in real time. How to Use Adjust the HSV sliders — Hue (0-360°), Saturation (0-100%), and Value (0-100%) — ...
Try the Tool »Unicode to HTML Entities Converter Special characters in HTML can break rendering, cause encoding issues, or display incorrectly across browsers. Converting Unicode characters to HTML entities ensures your content displays correctly everywhere — from email templates to legacy CMS platforms. This tool handles the conversion in both directions, entirely in your browser. Paste your text ...
Try the Tool »Acceleration Converter Convert between acceleration units — meters per second squared, galileos, g-force, and more. Essential for physics, aerospace engineering, and motion analysis. How to Use Select your source and target acceleration units, enter a value, and see the result immediately. Check the quick chart for common conversion reference values. Features Multiple Units – m/s², ...
Try the Tool »Speed Converter Convert between speed and velocity units — meters per second, kilometers per hour, miles per hour, knots, and more. Handy for physics, travel planning, and engineering. How to Use Choose your source and target speed units, enter a value, and the conversion appears instantly. The quick chart shows common speed conversions for reference. ...
Try the Tool »Text to Speech Generator Convert any text to spoken audio using your browser’s built-in speech synthesis. Choose from dozens of voices and languages, adjust speed, pitch, and volume, and hear your text read aloud — all without uploading anything to a server. How to Use Type or paste your text, select a voice and language ...
Try the Tool »IPv6 Address Expander / Compressor Expand compressed IPv6 addresses to full 128-bit notation, or compress expanded addresses to their shortest valid form following RFC 5952 canonical rules. Validate, convert, and inspect IPv6 addresses — all client-side. How to Use Enter an IPv6 address in any format — compressed (2001:db8::1) or expanded. The tool instantly shows ...
Try the Tool »Voltage Converter Convert between voltage units quickly — volts, millivolts, microvolts, kilovolts, and megavolts. Perfect for electrical engineering, electronics projects, and physics homework. How to Use Select the voltage units you want to convert between, enter your value, and see the result instantly. Use the quick chart for common reference values. Features All Voltage Units ...
Try the Tool »IEEE 754 Floating Point Converter Explore how computers represent decimal numbers in binary with this interactive IEEE 754 converter. Enter any decimal number and instantly see its binary representation broken down into sign, exponent, and mantissa components. How to Use 1. Enter a decimal number in the input field (e.g., 3.14, -0.1, 255). 2. Select ...
Try the Tool »Add IO tools to your favorite browser for instant access and faster searching
Scoreboard is a fun way to keep track of your games, all data is stored in your browser. More features are coming soon!
Update: Our latest tool was added on May 21, 2026
Help us continue providing valuable free tools
