Emoji Version Detector - Online Check Unicode Support
See how your browser renders emojis from different Unicode versions. Detect gaps in your system's emoji font support.
UD5 Toolkit
Discover beautiful Google Fonts combinations for your next project. Browse curated pairings, test custom matches, and copy ready-to-use CSS — all with live preview.
<link> tag into your HTML <head> or use the @import rule in your CSS. Then apply the font using the font-family CSS property. Our tool generates ready-to-use CSS snippets for each pairing — just copy and paste!See how your browser renders emojis from different Unicode versions. Detect gaps in your system's emoji font support.
Enter an emoji or browse to see which Unicode version introduced it and whether older OS versions might fail.
Transform regular text into the mocking SpongeBob‑style alternating case. Copy and paste for hilarious effect.
Pick a color palette and the tool shows sample images that match it. Great for moodboard and brand inspiration. Static dataset.
Convert between emoji characters and their shortcode representations (e.g., :tada: to 🎉). Supports Slack and GitHub styles.
View every standard emoji in a searchable grid. Hover to see a larger preview. Click to copy. Updated with Unicode 16.
Generate a printable pace band for ultra distances with mile/km splits and cumulative time. Adjust for terrain.
Enter a URL and see its favicon at all standard sizes. Check if it's properly defined. SEO basic check.
Paste your email subject and body. The tool highlights common spam trigger words and gives a risk score. Improve inbox placement.
Enter a URL and get a list of all images that fail to load (404, CORS). A simple asset audit tool. Runs in your browser.
Convert running shoe sizes between US (men/women), UK, EU, and centimeters. Also includes brand-specific fit notes (general guide).
Drop files onto a zone and see a preview with name, size, and type. Copy the JavaScript pattern for your site.
Quiz yourself on element symbols, names, and atomic numbers. Multiple modes: element to symbol, symbol to element. Score tracking. Great for chemistry students.
Paste a list of words or lines and convert all to UPPERCASE or lowercase at once. Also supports title case.
Load an image and see the exact events fired (load, error, abort). Monitor progress. Dev helper.
Paste HTML code and extract all comments or remove them completely. See a list of comments found. Clean your markup.
See how to implement file upload progress using both fetch and XHR. Real‑time bar and code snippets for your project.
Start a fetch request and cancel it with AbortController. See how to implement request cancellation. Interactive.
Select a local font and see all its metrics: ascent, descent, x‑height, and supported features. Typography deep dive.
Click any color to see common emotional associations and cultural meanings. Quick design reference.
Adjust letter‑spacing and word‑spacing with a slider and see the effect on a sample paragraph. Copy the CSS.
Select a heading font and see a set of well‑paired body fonts. Live preview with your own text. Copy the import code.
New CSS text‑spacing property for fine control over punctuation spacing. See the effect live. For advanced typography.
Generate a CSS background that shows a baseline grid. Adjust line‑height and offset. Perfect for aligning text.
Load any variable font from Google Fonts or local file and play with weight, width, slant, and custom axes. Download CSS.
Get a random UI challenge (e.g., 'Design a checkout flow for a plant shop') to practice your skills. All local.
Enter min and max font sizes and viewport widths to generate a perfect CSS clamp() expression. Fluid typography without media queries.
Load a variable font (default or custom) and play with weight, width, slant, and custom axes. Download the CSS.
Style a drop cap using the initial‑letter property. Set size and sink. Modern alternative to pseudo‑element hacks.
Type any character and see how it renders in different font stacks. Detect missing glyphs and fallback behavior.