Recently Added Tools
The newest additions to the Coders Hub catalog. Fresh browser-based utilities, added continuously.
24 tools
NATO Phonetic Alphabet Converter
Text & String
Spell out text using the NATO phonetic alphabet.
Text Obfuscator
Text & String
Obfuscate text with ROT13, zero-width spaces, or leetspeak.
Column Aligner
Text & String
Align delimited text into padded, readable columns.
Lorem Ipsum HTML Generator
Text & String
Generate lorem ipsum text wrapped in HTML tags.
Random Text From Pattern
Text & String
Generate random strings from a custom pattern.
CSS Filter Playground
HTML & CSS
Tune blur, brightness, contrast, and more with a live preview.
CSS Scrollbar Styler
HTML & CSS
Design custom scrollbars with live preview.
CSS Aspect Ratio Calculator
HTML & CSS
Simplify ratios and compute matching dimensions.
CSS Variables Theme Builder
HTML & CSS
Build a custom property theme with a live preview.
CSS Transform Playground
HTML & CSS
Combine translate, rotate, scale, and skew with a live preview.
Neumorphism Generator
HTML & CSS
Create soft UI neumorphic shadows with a live preview.
Image to ASCII Art
Images
Convert any image into ASCII text art in your browser.
Image Watermarker
Images
Add a custom text watermark to your images.
Image Color Palette Extractor
Images
Extract the dominant colors from any image.
Sprite Sheet Slicer
Images
Slice a sprite sheet into individual frame images.
JSON to Go Struct
Converters
Generate Go structs with JSON tags from JSON data.
JSON to Python Dataclass
Converters
Generate Python dataclasses from JSON data.
HTML to Markdown
Converters
Convert HTML markup into clean Markdown syntax.
CSV to SQL INSERT
Converters
Generate SQL INSERT statements from CSV data.
Excel Column Name Converter
Converters
Convert between spreadsheet column numbers and letters.
Countdown Timer Generator
Date & Time
Live countdown to any date and time.
Leap Year Checker
Date & Time
Check if a year is a leap year and find nearby leap years.
Work Hours & Timesheet Calculator
Date & Time
Total up work hours across shifts with breaks and hourly pay.
Day of Year Calculator
Date & Time
Convert a date to its day-of-year number, or back again.