UD5 Toolkit
Parrot Age to Human Years Converter ā Budgie, Cockatiel & Macaw
Convert your parrot's age into equivalent human years based on species-specific lifespan data. Covers budgies, cockatiels, African greys, macaws, and more.
Converters - Format & Unit Conversion
99+ toolsEU to US Clothing Size Converter ā Dresses, Shirts & Pants
Convert European clothing sizes to US equivalents. Includes women's dresses, men's shirts, pants waist, and general tops with measurement guidance.
Rabbit Age to Human Years Converter ā Bunny Life Stage
Find out how old your rabbit is in human years. Understand the difference between a 6-month-old bunny and a senior rabbit in terms of human life stage.
UK to US Shoe Size Converter ā Men, Women & Kids
Easily convert UK shoe sizes to US sizes (and vice versa) for men, women, and children. Avoid ordering the wrong size when shopping internationally.
Cups to Grams Converter ā Baking Ingredients Weight
Convert US cups to grams for common baking ingredients including flour, sugar, butter, and more. Get accurate measurements for consistent baking results.
Fahrenheit to Celsius Quick Converter ā Oven Temps & Weather
Convert Fahrenheit to Celsius (and vice versa) with a clean, fast interface. Includes common oven temperatures and weather reference points for everyday use.
kg to lbs & Stone Converter ā Weight Conversion Online
Convert kilograms to pounds and stones accurately. Also works for lbs to kg and stone to kg. Perfect for tracking weight loss or cooking with international recipes.
cm to Feet & Inches Converter ā Height & Length Quick Tool
Quickly convert centimeters to feet and inches, and vice versa. Essential for international height comparison, furniture dimensions, and understanding metric vs imperial.
Microwave Wattage Converter ā Adjust Cooking Time
Your microwave wattage differs from the recipe? Use this tool to adjust the cooking time accurately. Avoid undercooked or overcooked meals by matching the correct wattage.
Instant Pot Time Converter ā Stovetop & Slow Cooker to Pressure
Convert recipe cooking times from stovetop, oven, or slow cooker to Instant Pot pressure cooking times. Also includes liquid adjustment tips for best results.
Knitting Needle Size Converter ā US, UK, Metric & Japan
Instantly convert knitting needle sizes between US, UK, metric (mm), and Japanese systems. Never be confused by international patterns again.
Ordinal Date Converter ā Day of Year to Calendar Date
Convert an ordinal date (day 1ā365/366) to a standard calendar date and vice versa. Useful for agriculture, project planning, and understanding day-of-year notations.
Tablespoons to ml Converter ā Cooking Measurement Quick Tool
Convert tablespoons to milliliters and other common cooking volume units. Also covers teaspoons, cups, fluid ounces, and milliliters for precise liquid measuring.
Air Fryer Conversion Calculator ā Oven to Air Fryer Time & Temp
Quickly convert conventional oven recipes for your air fryer. Adjust temperature and cooking time so your food comes out crispy and perfectly cooked every time.
Seam Allowance Converter ā Imperial & Metric Quick Reference
Convert common seam allowances between inches and centimeters. See visual guides for 1/4ā³, 3/8ā³, 1/2ā³, 5/8ā³, and more, to avoid cutting errors in your sewing projects.
Frequency Ratio to Cents Converter ā Online Microtonal Tool
Convert a frequency ratio (e.g., 3/2) to cents and vice versa. Explore just intonation and microtones.
Historical Pitch Converter ā Online A415, A430, A440, A465
Transpose a note between modern concert pitch and common historical pitches. Early music helper.
Charcoal BTUs vs Gas ā Online Grill Conversion Guide
How many charcoal briquets equal a gas burner's BTUs? Enter target heat to see approximate briquet count.
JSON to CSV Table ā Flatten Nested Objects Online
Convert a JSON array into a CSV table that you can view, sort, and download. Automatically flattens simple nested objects into dotānotation columns.
APY to APR Converter ā Calculate Effective Annual Rate Online
Quickly convert between Annual Percentage Yield (APY) and Annual Percentage Rate (APR) with compounding frequency. Understand the true cost of loans or real return on savings in a simple online tool.
Thread Weight Converter ā Online Tex, Denier, Wt, Nm
Convert between thread weight systems: Tex, denier, Nm, and cotton count. Accurate sewing.
Sax/Clarinet Reed Strength Converter ā Online Vandoren to Rico etc.
Convert reed strength between different brands (Vandoren, Rico, D'Addario). Crossāreference chart.
Herb Drying Method Converter ā Online Dehydrator ā Oven ā Air
If a recipe calls for a dehydrator, convert the time and temperature to a lowāoven method.
MPH to KPH Converter ā Speed Conversion for Travel
Instantly convert miles per hour to kilometers per hour. Handy for driving abroad, understanding international speed limits, or comparing vehicle performance.
Baking Pan Size Converter ā Round to Square & Volume
Adapt any recipe to the pan you own. Convert between round, square, and rectangular pans by volume, and see how to adjust baking time and temperature.
Running Pace Converter ā min/mile to min/km
Convert your running pace between minutes per mile and minutes per kilometer. Also see equivalent finish times for 5K, 10K, half marathon, and marathon distances.
Frequency to Wavelength Converter ā c = Ī»f Calculator
Convert between frequency and wavelength for electromagnetic and sound waves. Use the speed of light or custom wave speed to get precise results instantly.
Cat Age to Human Years Converter ā Updated Formula
Convert your cat's age into equivalent human years using the latest veterinary guidelines. Understand the difference between a 1-year-old and a 15-year-old feline.
Ring Size Converter ā Online Circumference/Diameter to US, UK, EU
Measure a ring's inside diameter or circumference and convert to US, UK, European, and Japanese sizes.
Water Hardness Converter ā Grains, ppm, mg/L & dH
Convert water hardness readings between grains per gallon, parts per million, milligrams per liter, and German degrees. Perfect for aquarium keepers and espresso lovers.
Markdown to Plain Text Converter ā Strip Formatting
Paste Markdown and receive clean, readable plain text with formatting removed. Useful for repurposing blog content for email or plainātext editors.
International Bra Size Converter ā Online US, UK, EU, FR, AUS
Convert band and cup sizes between US, UK, European, French, and Australian systems. Accurate shopping abroad.
Number to Ordinal (1st, 2nd, 3rd) ā Online MultiāLanguage
Enter a number and see its ordinal representation in English, Spanish, French, etc. Localized rules.
Dvorak Layout Text Converter ā Online See Typed Words in QWERTY
Type on your QWERTY keyboard and see the text as if you were on a Dvorak layout. Helps learn Dvorak without switching.
Baking Pan Size Converter ā Online Round, Square, Rectangle Volume
Enter an original pan size and find an alternative pan with the same batter volume. Never overflow or underfill.
Cooking Unit FoolāProof Converter ā Online Easy Scale & Unit Swap
Select ingredient and convert between grams, cups, ounces, etc. with builtāin density estimates. Also scale recipe.
Embroidery Thread Converter - Online DMC to Anchor to Madeira
Find equivalent colors across DMC, Anchor, and Madeira embroidery floss brands. Enter a code to see matches. Local reference database.
MySQL ENUM to TypeScript Union - Online Schema Converter
Paste a MySQL ENUM definition and get a TypeScript union type string literal. For typeāsafe database schemas.
ASCII Text to SVG Converter ā Monospaced Diagram Art
Paste ASCII art or textābased diagrams and convert them into a crisp SVG image. Preserves spacing and can be styled with CSS for documentation.
Yarn Weight Converter ā Online Wrap Per Inch & Gauge Tester
Use wrapāperāinch (WPI) to identify mystery yarn and see equivalent standard weights (fingering, worsted). Compensate gauge.
Air Fryer Conversion Calculator ā Online Oven to Air Fryer
Convert oven recipe temperature and time to air fryer settings. Quick reference.
Name to NATO Phonetic Call Sign - Online Spell Your Name
Type your name and see it spelled letter-by-letter in the NATO phonetic alphabet. Useful for radio calls or just for fun.
Stove BTU to Temperature Estimator ā Online Gas Mark Conversion
Convert between BTU, gas marks, and approximate Fahrenheit temperatures. Understand your burner output.
dBm to Watts Converter - Online RF Power Unit Calculator
Convert between dBm, milliwatts, and watts. Simple calculator for RF engineers and WiFi signal analysis. Instant local calculation.
SVG to React Native Component - Online Converter
Paste an SVG and convert it to a React Native component using reactānativeāsvg elements. For mobile apps. Local.
SRT to WebVTT Converter - Online Subtitle Format Changer
Convert .srt subtitles to .vtt format for web video players. Preserves all timestamps and formatting. Local.
SVG to CSS Mask Converter - Online NonāDestructive Mask
Convert an SVG shape into a CSS maskāimage. Transparent regions become masked. Great for custom image crops. Clientāside.
BBCode to HTML Converter - Online Forum Markup
Translate oldāschool BBCode into modern HTML. Supports [b], [i], [url], [img], and more. Keep your legacy content alive. Local.
JSON to PlantUML Diagram ā Online Visualize Data Structure
Paste a JSON object and generate PlantUML code for a class or object diagram. Preview rendered image.
NāTriples to JSONāLD Converter - Online RDF Translation
Paste NāTriples data and convert it to a compact JSONāLD representation. Work with linked open data. Local.
cURL to HTTP Request Object - Online Convert to JS/Python
Paste a cURL command and convert it to a fetch() call in JavaScript, Python requests, or Go net/http. Save time.
Jira Markup to HTML Converter - Online Wiki Renderer
Paste Jira/Confluence wiki markup and get a rendered HTML preview. Supports headings, lists, links, and code blocks. All local.
Slow Cooker Time Converter ā Online High to Low & Stovetop
Convert a recipe from oven or stovetop to slow cooker (high/low) and vice versa. Perfect doneness.
Number to English Words (Decimal) ā Online Check Writer
Convert a number like 1234.56 to English words 'one thousand two hundred thirty-four and 56/100'. For checks.
Image Format Batch Converter - Online to PNG, WebP, JPEG, AVIF
Drop a folder of images and convert all to the same format at once. Choose quality and download as ZIP. Local only.
JSON to INI Converter - Online Config File Translator
Convert a flat JSON object into an INI file format with sections and keys. Useful for legacy configs. Local only.
RGBA to CIELAB Converter - Online Full Color Translation
Convert RGBA colors to CIELAB and other advanced color spaces. For fineātuning design tokens. Clientāside math.
AllāināOne Unit Converter - Online 20+ Categories
Convert across length, mass, speed, temperature, data, and more. Search any unit and type. Compact and fast.
Kitchen Measurement Converter - Online Cups, Grams, Ounces, Tsp
Convert between common cooking units: cups, tbsp, tsp, ml, grams (for water/flour/sugar), ounces. Quick reference for international recipes.
Video to GIF Maker - Online Animated Clip Creator
Trim a video clip and convert it into an animated GIF. Adjust frame rate and size. All local. No watermark.