· 2 min read
How to Download a Wikipedia Article for Offline Use
Save any Wikipedia article as a PDF, Markdown, or plain text file in a few clicks, without the edit links and footnote numbers.
Articles
Practical guides for getting things done with our tools, and news from the dev blog.
· 2 min read
How to Check a Number with the Luhn Validator
Paste a card number or another number that uses the Luhn check, see if it is valid, and learn what the result means.
· 2 min read
How to Check the Northern Lights Forecast
Use a live aurora map to see where the northern lights may be visible tonight, and learn what else you need for a good view.
· 2 min read
How to Convert Colors Between HEX, RGB, HSL, and Other Formats
Convert a color between HEX, RGB, HSL, CMYK, and other formats, see which conversions are exact, and learn which format to use where.
· 1 min read
Browser Extension Now Syncs With Your Account
Sign in to the extension and never lose a bookmark again
· 2 min read
How to Create Chrome Web Store Screenshots for Your Extension
Make store listing images for your Chrome extension with a headline, a clean background, and the right size, without any design software.
· 3 min read
How to Generate a Color Palette with AI
Describe a mood in plain words, like warm autumn cozy colors, and get a matching color palette in seconds.
· 1 min read
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