Web Reference: However, to be more efficient, you could make the Buffer larger than the original contents, so it contains some "free" space where you can add data without reallocating the Buffer. That way you don't need to create a new Buffer and copy the contents on each append operation. For code running using Node.js APIs, converting between base64-encoded strings and binary data should be performed using Buffer.from (str, 'base64') and buf.toString ('base64'). Jul 12, 2025 ยท Explore the Node.js Buffer Complete Reference to uncover detailed explanations, practical usage examples, and expert tips for harnessing its powerful features to efficiently manage and manipulate binary data in your Node.js applications.
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