Individual skill
base64-pro
Encode and decode Base64 correctly with URL-safe variants, padding rules, and binary handling.
skills/base64-pro/SKILL.md
Source commit faf37c0859ebf627bfcb5225e8057d088691e0ae
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- Last checked
- Nov 8, 2026
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- Repository last updated
- Oct 10, 2026
- License
- MIT
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## Overview
Base64 shows up everywhere: data URIs, JWTs, basic auth headers, email attachments, embedding binary
in JSON. It's simple — 3 bytes become 4 ASCII characters — but the variants (standard vs URL-safe),
padding rules, and text-vs-binary confusions cause endless bugs. This skill covers correct Base64
handling in practice.
## When to use
- Encoding/decoding Base64 strings and files
- Working with data URIs, JWTs, or auth headers
- Choosing between standard and URL-safe Base64