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About

Base64 encode/decode

This page explains the role of the tool, real use cases, technical constraints and best practices for reliable usage.

Why this tool exists

This tool converts text or binary data to Base64, then performs the reverse operation locally.

Business use cases

Use it for Data URLs, API testing, small blob transport and payload debugging.

Quality, security and limits

Base64 increases payload size, so it must be used carefully in production.