| 1 | Convert Base64URL to Base64 (and back) without uploading | 1319 | fixes |
| 2 | Decode Base64 without uploading | 930 | fixes |
| 3 | Encode to Base64 locally without uploading secrets | 918 | fixes |
| 4 | PHP: convert Base64URL to Base64 safely | 37 | fixes |
| 5 | Go: convert Base64URL to Base64 safely | 37 | fixes |
| 6 | Java: convert Base64URL to Base64 safely | 16 | fixes |
| 7 | Node.js: convert Base64URL to Base64 safely | 12 | fixes |
| 8 | Convert Base64URL to Base64 (and back) without breaking decoding | 12 | fixes |
| 9 | Python: convert Base64URL to Base64 safely | 11 | fixes |
| 10 | Rust: convert Base64URL to Base64 safely | 10 | fixes |
| 11 | C#/.NET: convert Base64URL to Base64 safely | 10 | fixes |
| 12 | Java: decode Base64URL correctly (use URL decoder, not standard Base64) | 9 | fixes |
| 13 | JavaScript: convert Base64URL to Base64 safely | 9 | fixes |
| 14 | Ruby: convert Base64URL to Base64 safely | 9 | fixes |
| 15 | URL-safe Base64 padding: when '=' is optional (and when it isn’t) | 5 | fixes |