UD5 Toolkit
Audio Converter - Online Convert WAV MP3 OGG Locally
Convert audio files between popular formats like WAV, MP3, and OGG directly in the browser. No upload, fast encoding using WebAudio and ffmpeg wasm.
Tag: Converter - Format & Unit Conversion
99+ toolsPressure Converter - Online Bar PSI Pascal Atmosphere Tool
Convert between common pressure units: Pascal, Bar, PSI, atmosphere, and Torr. Useful for engineering and weather enthusiasts. Local calculation.
Volume Converter - Online Gallon Liter & Cup Unit Tool
Convert volume and capacity units: gallon (US/UK), liter, milliliter, cup, and fluid ounce. Handy for cooking and science. Works entirely offline.
Gray Code Converter - Online Binary to Reflected Code
Translate between binary and Gray code (reflected binary code). See the bit changes. Useful for digital logic.
Roman Numeral Date Converter - Online MMXXVI Style
Convert any date into Roman numerals (day‑month‑year) for tattoos or special occasions. Clean and local.
Number Base Converter - Online Binary Octal Decimal Hex
Convert numbers between binary, octal, decimal, and hexadecimal bases. See real-time conversion as you type. Clean and simple programmer utility.
Decimal to IEEE 754 Converter - Online Float Representation
Convert a decimal number to 32-bit single precision IEEE 754 format. See sign, exponent, mantissa bits. Developer tool.
HTML to Markdown Converter - Online Clean Content Extractor
Strip HTML tags and convert web content to plain Markdown. Preserve headings, lists, and links. Perfect for content migration. All processing in browser.
SVG to PNG Converter - Online Vector to Raster Image
Convert scalable SVG images to standard PNG files with a custom resolution. Works offline; just paste SVG code or upload an .svg file. Private and reliable.
Color Temperature to RGB - Online Kelvin to Hex Converter
Enter a Kelvin value (1000‑40000) and see the approximate white‑balance color. Photography and lighting reference.
Hijri to Gregorian Date Converter - Online Islamic Calendar
Convert between Gregorian and Hijri (Islamic) dates. Approximate visual reference. Local algorithm.
Julian Date Converter - Online Calendar to JD
Convert a Gregorian calendar date to its Julian Day Number and vice versa. Used in astronomy and mainframe computing.
Date to Unix Epoch Converter - Online Human to Timestamp
Convert any human‑readable date to a Unix timestamp in seconds or milliseconds. Also shows ISO 8601. Clean interface.
Radiation Converter - Online Gray Rad Rem & Sievert
Convert between units of absorbed dose and equivalent dose (Gray, Rad, Rem, Sievert). Educational and reference. Local calculation.
JSON to XML Converter - Online Data Interchange Tool
Seamlessly convert JSON objects into valid XML documents. Control root element naming and attribute formatting. Entirely local, keeping your data safe.
Angle Converter - Online Degree Radian & Grad Tool
Convert angles between degrees, radians, and grads. Quick reference for mathematics and engineering. Simple and ad-free.
Data Storage Converter - Online Byte KB MB GB TB Tool
Convert between digital storage units: bits, bytes, kilobytes, megabytes, gigabytes, and more. Binary and decimal interpretations available. A developer must-have.
Speed Converter - Online mph km/h & Knots Calculator
Convert speed units such as miles per hour, kilometers per hour, knots, and meters per second. Accurate and quick, works offline in your browser.
Length Converter - Online Distance & Metric Imperial Unit Tool
Convert between all major length units: meter, kilometer, mile, yard, foot, inch, and more. Instant results in a clean interface. No registration.
Unix Timestamp Converter - Online Epoch & DateTime Tool
Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds. Ideal for developers debugging time-related code.
Images to PDF Merger - Online Combine JPG/PNG into One
Select multiple images, arrange their order, and merge them into a single PDF document. Works offline in your browser.
HTML Table to Markdown Converter - Online Quick Transform
Paste an HTML `<table>` snippet and instantly get a clean Markdown table. Supports colspan and alignment hints. Local.
Number to Words Converter - Online Write Out Currency
Convert a numeric amount into English words, perfect for writing checks or legal documents. Supports USD/GBP styles.
Cooking Measurement Converter - Online Cups, Grams & Ounces
Convert between common cooking units: cups → grams, teaspoons → ml, Fahrenheit → Celsius. Essential baking tool.
Signed Magnitude Converter - Online Negative Binary Numbers
Encode decimal integers into signed magnitude binary representation and decode back. Learn computer arithmetic.
Minutes to Decimal Hours - Online Time Conversion Tool
Convert minutes to decimal hours and vice versa. Essential for billing and payroll. Instant conversion with a handy chart.
Text to Handwriting Converter - Online Fake Handwritten Note
Paste text and convert it into a realistic handwriting image using different fonts and ink colors. Download as PNG. Fun for notes.
Text to NATO Phonetic Alphabet - Online Converter
Convert any phrase into the NATO phonetic alphabet (Alpha, Bravo, Charlie…). Copy or hear pronunciation. Useful for call centers.
Data Transfer Rate Converter - Online Mbps Gbps & KiB/s
Convert network and data transfer speeds: bps, Kbps, Mbps, Gbps, KiB/s, MiB/s. A must when comparing internet plans. Fast and local.
Power Converter - Online Watt Horsepower & Kilowatt Tool
Convert power units: watt, kilowatt, horsepower, BTU/h. Quick reference for electrical and mechanical engineering. Browser-based.
Energy Converter - Online Joule Calorie BTU & kWh Tool
Convert energy units: Joule, calorie, BTU, kilowatt-hour, electronvolt. Useful for science and household energy calculations. Fully local.
Pig Latin Translator - Online Fun Language Converter
Translate English text to Pig Latin and decode back. A classic word game for all ages. Rules-based translation runs in your browser.
Video to GIF Converter - Online Create Animated Images
Trim a video clip and convert it into an animated GIF. Adjust frame rate and size. Processing stays on your computer for privacy.
Markdown to HTML Converter - Online MD to Webpage Tool
Convert Markdown text into clean HTML code. GitHub Flavored Markdown supported. Copy the raw HTML or preview the rendered output instantly. No uploads.
JSON to CSV Converter - Online Free Data Translator
Easily convert JSON data arrays into CSV format for Excel or database import. Handles nested structures with flattening options. All conversions happen locally, no data uploaded.
Time Zone Converter - Online World Clock & Meeting Planner
Compare time across multiple time zones and find a suitable meeting time. Convert a specific time to various cities. Browser-based and always accurate.
Temperature Converter - Online Celsius Fahrenheit Kelvin Tool
Convert temperature between Celsius, Fahrenheit, and Kelvin instantly. Simple slider and input fields. Useful for travel and science homework.
Weight Converter - Online Mass & Weight Unit Calculator
Easily convert between kilograms, pounds, ounces, stones, and more. Supports both metric and imperial weight units. Instant and private conversions.
RGB to CMYK Converter - Online Print Color Translator
Convert screen RGB colors to print-ready CMYK values. Understand color shifts before printing. Ideal for graphic designers preparing artwork for press.
RGB to HEX Converter - Online Color Translator
Convert RGB and RGBA color values to their HEX or HEX+alpha representation. Live preview and copy CSS color strings instantly.
Image to ASCII Art Generator - Online Text Picture Converter
Convert any image into beautiful ASCII art. Adjust brightness and character set for the best effect. Share text-based pictures. Runs entirely in the browser.
Base64 Encoder & Decoder - Online Base64 Converter
Convert text and files to Base64 or decode Base64 back to original content. Processed locally with no server upload, ensuring complete data security.
Images to PDF Merging - Online Combine & Order
Combine JPGs and PNGs into a single PDF. Drag to reorder pages. All processing happens locally; your files never leave your device.
SQL INSERT to CSV Converter - Online Data Export
Paste SQL INSERT statements and extract the data into a clean CSV table. Works with multiple rows. Local parser.
Text to ISO Date Converter - Online Parse Any Date String
Paste a human‑readable date (like 'next Friday' or 'March 5, 2023') and convert it to ISO 8601 format. Quick and tolerant.
Audio to Base64 Converter - Online Embed Sound in HTML
Encode short audio clips into Base64 data URIs for direct embedding in HTML5 <audio> tags. No external files needed.
Favicon Converter - Online Image to .ico & Multi-size
Upload a logo and generate a pack of favicon sizes plus a .ico file. All conversion in your browser.
Currency Converter - Online Exchange Rate (Manual Update)
Convert between currencies using manually updated or default rates. Great for estimation when offline. Local settings.
Torque Converter - Online Newton-Meter & Foot-Pound Tool
Convert torque units between Newton-meter, foot-pound, inch-pound, and more. Essential for mechanics and engineers. Instant local conversion.
Hex to Decimal Converter - Online Base 16 to 10 Tool
Translate hexadecimal numbers to decimal integers. Instantly see the magnitude. A simple, private utility for developers and mathematicians.
JSON to YAML Converter - Online Data Serialization Tool
Convert JSON data structures to clean, human-readable YAML. Indentation and formatting preserved. All processing done locally for your privacy.
CSV to JSON Converter - Online Spreadsheet Data Parser
Parse CSV files into structured JSON arrays or objects. Customize delimiters and headers. Processed completely in your browser to protect sensitive data.
Area Converter - Online Square Feet & Acre Hectare Tool
Convert between square meters, square feet, acres, hectares, and more. Essential for real estate and land measurements. Instant results, private data.
Roman Numerals Converter - Online Decimal to Roman Tool
Convert numbers to Roman numerals and decode Roman numerals back to numbers. Supports up to large values. A fun educational tool running entirely in your browser.
HEX to HSL Converter - Online Color Code to Hue Saturation Lightness
Translate HEX colors to HSL values and adjust lightness and saturation visually. Great for creating color variations in CSS design systems.
Text to Binary & Binary to Text Converter - Online Translator
Convert text into binary digits and decode binary back to readable text. Handy for education and computer science. All conversions performed locally in your browser.
Base32 Encoder & Decoder - Online Base32 Converter
Encode or decode text using Base32 scheme. Ideal for legacy systems and data obfuscation. Works completely offline in your browser for maximum security.
CSV to SQL INSERT Converter - Online Generate Statements
Convert comma‑separated data into a series of SQL INSERT statements. Define the table name and column order. Local.
CSV to HTML Table - Online Generate Responsive Code
Paste CSV and get a beautiful HTML table with sortable headers (optional). Copy the full HTML/CSS snippet. Local.
Video to Animated WebP - Online Free Converter
Select a short video and convert it to an animated WebP image for faster web loading. Adjust quality and size. Local only.