| Name | Lines of code | Maintainability | Test coverage |
| src/Normalizer/Mozilla.php | 13 | A 0 mins | A 100% |
| src/Normalizer/NormalizerChain.php | 33 | A 0 mins | A 100% |
| src/Normalizer/NormalizerInterface.php | 8 | A 0 mins | F 0% |
| src/Normalizer/SerialNumbers.php | 13 | A 0 mins | A 100% |
| src/Normalizer/Spaces.php | 13 | A 0 mins | A 100% |
| src/Normalizer/TransferEncoding.php | 13 | A 0 mins | A 100% |
| src/Normalizer/Trim.php | 13 | A 0 mins | A 100% |
| src/Normalizer/WindowsNt.php | 13 | A 0 mins | A 100% |
| src/NormalizerFactory.php | 29 | A 0 mins | A 100% |