UD5 Toolkit
SMD Resistor Code Decoder - Online 3-Digit & EIA-96 Markings
Decode SMD resistor markings (3-digit, 4-digit, EIA-96) to resistance value. Enter code and get ohms instantly. Handy for PCB repair.
Tag: Code Tools - Edit, Share & Debug
16+ toolsUK Tax Code Checker - Online Understand Your Code
Enter your UK tax code and see an explanation of what the numbers and letters mean. Simple educational reference. No data stored.
Capacitor Code Calculator - Online 3-Digit to Picofarad & Nanofarad
Convert 3-digit capacitor codes (like 104, 222) to capacitance value in pF, nF, µF. Also converts back. Useful for reading tiny ceramic capacitors.
Text to Line Array - Online Split for Code
Split text into a JavaScript or JSON string array. Wrap in quotes, add commas. Ready to paste into code.
Code to Image Snippet - Online Carbon‑Style Screenshot
Paste code and generate a beautiful, syntax‑highlighted PNG image. Choose theme and window style. Shareable code pics.
Text to snake_case Converter - Online Code Formatter
Convert any text to snake_case, kebab‑case, camelCase, or PascalCase. Essential for programming variable naming. Local.
Random Coupon Code Generator - Online for WooCommerce
Generate random, secure coupon codes with a prefix. Choose length and character set. Perfect for store admins. All local.
Code Syntax Highlighter - Online Beautiful Code Preview
Paste code and get a beautifully highlighted preview with line numbers. Supports many languages. Copy as HTML. Pure frontend.
Currency Name ↔ Code Converter - Online USD/EUR Lookup
Find the currency code (USD, EUR, JPY) for any country or reverse‑lookup the country from a code. Static reference.
ISO Currency Code Lookup - Online Search by Country
Find the three‑letter currency code (USD, EUR, JPY) for any country. Also lists currency symbol and name. Static.
Keyboard Event Debugger - Online See keydown Key Data
Press any key and see the full KeyboardEvent object: key, code, keyCode, modifier status. Dev tool.
Remove Line Numbers - Online Clean Code Snippet Tool
Strip leading line numbers from code snippets or poetry. Quick and accurate. Restore the original text. Entirely local processing, no data upload.
Matrix Rain Effect - Online Falling Code Animation
A customisable Matrix‑style digital rain animation. Adjust speed, characters, and colors. Fullscreen mode for ambiance.
Add Line Numbers - Online Number Text Lines Tool
Number each line of your text sequentially. Customize start number and format. Useful for code snippets, tutorials, and document review. Private operation.
HTML Table Generator - Online Visual Spreadsheet to Code
Create HTML tables visually by adjusting rows and columns. Add data, style, and copy the generated markup. Perfect for quick table prototyping.
Text Diff Checker - Online Compare & Find Differences
Compare two text blocks and highlight differences line by line. Ideal for code review and document revisions. All diffs computed locally for privacy.