Design & accessibility
Contrast, color palettes, brand assets, alt text, and accessible UI decisions.
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27Compression, conversion, metadata, app icons, screenshots, and image workflows.
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9PDF compression, document conversion, Markdown, Word, and office-file workflows.
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4Base64, URLs, WebSockets, privacy, performance, hosting, fonts, and dev workflows.
Design & accessibility
5Contrast, color palettes, brand assets, alt text, and accessible UI decisions.
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May 28, 2026
How to Convert Colors Between HEX, RGB and HSL
Learn the difference between HEX, RGB and HSL color formats, when to use each, how to convert between them, and CSS tips like color-mix.
February 22, 2026
Privacy-First Web Development: A Complete Guide
Learn how to build privacy-respecting web applications. Discover client-side processing techniques, GDPR compliance strategies, and tools that protect user data.
July 1, 2024
How to Test and Debug WebSocket Connections: A Step-by-Step Guide
Learn how to easily test and debug your WebSocket (WS & WSS) connections using a free online tool. This guide covers connecting, sending messages, handling heartbeats, and troubleshooting common errors.
June 10, 2024
How to Create a Brand Palette From a Logo (Step-by-Step)
Your logo is a goldmine of color information. Learn how to extract key colors from your logo and expand them into a full, versatile brand palette for your website, social media, and marketing materials.
June 3, 2024
A Practical Guide to Color Contrast for UI Design
Learn the fundamentals of web accessibility and color contrast. Understand WCAG ratings (AA vs. AAA) and use our quick checks and practical fixes to make your UI readable for everyone.