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📚 Claude Tutorials Hub
40+ step-by-step Claude guides — prompt engineering, Claude Code, API, agents. Browse by topic →
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Industry news, technical articles, and product introductions
📚 Claude Tutorials Hub
40+ step-by-step Claude guides — prompt engineering, Claude Code, API, agents. Browse by topic →
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A curated, categorized guide to the best free online developer tools available in 2026 — covering documentation, format conversion, image handling, network debugging, code utilities, and AI assistants, with practical criteria for building your own toolkit.
URL encoding (percent-encoding) is the invisible plumbing of the web. This guide covers RFC 3986 fundamentals, reserved character classes, encodeURI vs encodeURIComponent, five common pitfalls, and real-world scenarios from OAuth callbacks to form submissions.
A complete developer's guide to Base64 encoding and decoding — learn what Base64 is, why it exists, common use cases like Data URIs and JWT tokens, the difference between Base64 and Base64URL, code examples in JavaScript and Python, and practical tips for when to use (and avoid) Base64.