UD5 Toolkit
Hex Color Clock - Online Time Displayed as Background Color
Every second, the background color changes to the hex code corresponding to the current time (HHMMSS). A beautiful, ever‑changing clock.
Crypto Price Ticker - Online Live Bitcoin & Ethereum
Crypto Price Ticker
Live
Updating...
Bitcoin
#1
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Ethereum
#2
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Unable to fetch live prices. Displaying last known data.
Frequently Asked Questions
A Crypto Price Ticker is a real-time tool that displays the current market prices of cryptocurrencies like Bitcoin (BTC), Ethereum (ETH), and other altcoins. It provides live updates on price movements, 24-hour trading volume, market capitalization, and percentage changes. This helps traders and investors monitor the volatile cryptocurrency market at a glance without needing to visit multiple exchanges.
Our crypto price ticker pulls data from the CoinGecko API, one of the most trusted and widely-used cryptocurrency data aggregators. CoinGecko collects price information from hundreds of exchanges worldwide, providing a volume-weighted average price that reflects the global market. This ensures you get reliable and accurate Bitcoin, Ethereum, and altcoin price data.
By default, prices refresh every 60 seconds. You can customize the refresh interval to 30 seconds, 2 minutes, or 5 minutes using the control panel. You can also disable auto-refresh and manually fetch the latest prices by clicking the "Refresh Now" button. The status indicator shows whether the ticker is actively updating.
Cryptocurrency prices can vary slightly between exchanges due to factors like liquidity, trading volume, regional demand, and exchange-specific supply. Our ticker uses a volume-weighted average from CoinGecko, which aggregates data from many exchanges to give you a representative global price. This minimizes the impact of anomalies on any single exchange.
The 24-hour change percentage shows how much the price has increased or decreased compared to 24 hours ago. A green upward arrow indicates a price increase, while a red downward arrow shows a decrease. This metric is crucial for day traders and investors to gauge short-term market momentum and make informed trading decisions.
Market Capitalization (Market Cap) is calculated by multiplying the current price of a cryptocurrency by its circulating supply. It represents the total market value of a coin. Market cap helps investors compare the relative size of different cryptocurrencies. Bitcoin has the largest market cap, making it the dominant cryptocurrency, followed by Ethereum. A higher market cap generally indicates a more established and stable asset.
Simple Time Tracker - Online Project & Task Hours Logger
Start/stop timer per project to log hours. See daily and weekly totals. Data stays in localStorage. Export summary as CSV. No account needed.
Base58 Encoder & Decoder - Online Bitcoin-Style Address Tool
Encode or decode data to/from Base58 (Bitcoin alphabet). Useful for cryptocurrency address generation testing. Fully local, no data sent.
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.
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.
Blood Pressure Log - Online Track & Chart Readings
Record daily systolic/diastolic readings and pulse. See a trend chart. All data saved locally in your browser.
WHOIS Domain Lookup – Online Simple Registration Check
Enter a domain and see public WHOIS info via a free API with rate limiting. Quick domain check.
Developmental Milestones Quiz – Online Ages & Stages Fun
Answer questions and see typical milestones for 0-5 years. Educational reference for parents. Not a diagnostic tool.
WHOIS Lookup - Online Domain Ownership & Expiration Check
Check WHOIS information for any domain: registrar, expiration date, and name servers. Quick and private using public WHOIS data aggregators.
Date Calculator - Online Add & Subtract Days, Weeks, Months
Add or subtract days, weeks, and months to find a future or past date. Also compute duration between two dates. Essential for project planning.
SSML Marker Demo - Online TTS Events & Highlights
Use SSML <mark> tags to fire events during TTS. See text highlighted as it is spoken. Understand speech synthesis timing. local.
Sleep Log Tracker - Online Record Hours & Quality
Log the hours you slept each night and rate the quality. See a weekly bar chart. Local storage.
Time Between Dates Calculator - Online Years, Months, Days Count
Calculate exact elapsed time between two dates in years, months, weeks, and days. Countdown or time already passed. Simple, visual, and local.
TCP/UDP Port List - Online Common Service Reference
Searchable table of well‑known TCP and UDP ports with their services. Check 80, 443, 3306, and many more.
Drum Pattern Sequencer - Online Create Beats & Play
Lay down a beat on a grid sequencer for kick, snare, and hi-hat. Play, loop, and adjust tempo. All sound via Web Audio API.
Knitting Stitch Counter & Row Progress Tracker
Keep track of stitches and rows for your knitting projects. Multiple counters with increase/decrease shortcuts. Data saved in your browser.
Week Number & Start/End Dates - Online ISO 8601
Enter any date and get its ISO week number, plus the start and end dates of that week. Quick reference.
position: sticky Playground - Online Sticky Headers & Footers
Scroll a container and see how sticky elements behave. Adjust top, bottom, and scroll margins. Copy the code.
Tetris Game - Online Classic Block Puzzle
Enjoy classic Tetris in your browser. Rotate, move, and drop tetrominoes. Clear lines and score. Fully local JavaScript.
Background Sync API Tester - Online Offline Queue
Register a one‑off background sync and see it fire when connectivity returns. Debug service worker sync logic.
CSS Baseline Grid Overlay - Online Typography Rhythm
Generate a CSS background that shows a baseline grid. Adjust line‑height and offset. Perfect for aligning text.
CSS Grid Alignment Playground - Online Place & Align Tracks
Practice aligning grid items and tracks with the place‑items, align‑content, and justify‑content properties. Visual guide.
Mood Color Journal - Online Track Days with Hues
Pick a color for each day's mood and see a month‑at‑a‑glance heatmap. Data stored locally. A private emotional log.
Breadcrumb Structured Data Generator - Online JSON‑LD
Create a breadcrumb schema for your website. Fill in the pages and get the ready‑to‑paste JSON‑LD snippet for rich results.
SQL CREATE TABLE to CSV Header - Online Column Lister
Paste a SQL CREATE TABLE statement and extract just the column names as a CSV header row. For data migration.
Base32 to Hex Converter - Online Custom Base Tool
Convert between Base32 encoded strings and hexadecimal. Work with low‑level data representations. All local.
SQL INSERT from CSV - Online Data to Statement
Paste CSV and get a list of SQL INSERT statements. Define table name and column mapping. All local conversion.
File System Access API Demo - Online Open & Save Files
Test the modern File System Access API. Open a file, modify it, and save back to disk. All sandboxed in browser.
Heading Structure Visualizer - Online Document Outline Check
Paste an URL or HTML and see the h1‑h6 hierarchy as a tree. Detect skipped levels and improve accessibility. Client‑side.
Podcast Episode Planner – Online Intro, Segments, Outro
Structure your episode with timed segments. Includes call to action notes. Export as text.