Is Base64 Good for Images? Pros, Cons & Performance Guide

Introduction

Base64 encoding is often used for images, but is it always the right choice?

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Pros

• Reduces HTTP requests
• Easy to embed

Cons

• Increases size by 33%
• No caching

Performance Impact

• Faster for small assets
• Slower for large images

Real Use Cases

• Icons
• Inline SVGs

Best Practices

• Use only for small files
• Avoid for large images

FAQs

Does Base64 hurt SEO?

No, but affects performance.

Should I use Base64 in production?

Only in specific cases.

Conclusion

Base64 is useful but should be used strategically for best performance.