| 2-3-4 | SKIP code |
| 3p4.1 | The Kanji Dictionary |
| 4033.1 | Four corner code |
| 1458 | deroo |
| 5fd7 | Unicode hex code |
| 1-27-54 | JIS X 0208-1997 kuten code |
| 1064 | Classic Nelson (Andrew Nelson) |
| 1785 | New Nelson (John Haig) |
| 2199 | New Japanese-English Character Dictionary (Jack Halpern) |
| 2725 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1394 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1881 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 600 | Remembering The Kanji (James Heisig) |
| 645 | Remembering The Kanji, 6th edition (James Heisig) |
| 622 | A New Dictionary of Kanji Usage |
| 464 | Japanese Names (P.G. O’Neill) |
| 757 | Essential Kanji (P.G. O’Neill) |
| 10331 | Morohashi |
| 692 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 573 | Kanji and Kana (Spahn and Hadamitzky) |
| 582 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 623 | sakade |
| 527 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 718 | henshall3 |
| 668 | Tuttle Kanji Cards (Alexander Kask) |
| 756 | Kanji in Context (Nishiguchi and Kono) |
| 770 | Kodansha Compact Kanji Guide |
| 607 | Les Kanjis dans la tête (Yves Maniette) |
| zhi4 | Pinyin reading |
| ji | Korean reading |
| n1 | JLPT level (KANJIDIC2) |
| 32 | WaniKani level |