Convert numbers between decimal, binary, hex and octal.
Convert between Roman numerals and regular numbers.
Encode or decode URLs and query parameters.
Encode text to Base64 or decode Base64 strings.
Convert text to binary and binary back to text.
Generate QR codes for URLs, text and contact info.
🔥 TrendingGenerate random UUIDs for developers and databases.
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes.
🔥 TrendingGenerate complete SEO and Open Graph meta tags.
Resize images to exact dimensions in your browser.
🔥 TrendingCompress images to reduce file size for web.
🔥 TrendingPick colors and convert between HEX, RGB and HSL.
Find your public IP address, ISP and location.
🔥 TrendingTest your download speed, upload speed and ping.
🔥 TrendingCheck if any website is up or down right now.
🔥 TrendingPrecise stopwatch with lap timing for any purpose.
Calculate and scale aspect ratios for images and video.
Calculate tip amount and split bills with friends.
Find days between dates or add/subtract days.
Calculate mean, median, mode and standard deviation.
Count characters with and without spaces.
Generate SEO-friendly URL slugs from any text.
Repeat any text multiple times with custom separators.
Convert length, weight, temperature and more.