---
license: other
task_categories:
  - token-classification
language:
  - zh
  - ja
  - en
tags:
  - tokenizer
  - bpe
  - sentencepiece
  - wordpiece
  - chinese
  - japanese
  - cjk
pretty_name: CJK Tokenizer From Scratch (papers + code dump)
---

# CJK Tokenizer From Scratch

Offline research dump for **building Chinese / Japanese tokenizers from scratch**.

Download `tokenizer.zip` (≈464 MB), then:

```bash
unzip tokenizer.zip
```

Contents:

- `papers/` — 41 free arXiv / ACL PDFs (BPE, WordPiece, Unigram, SentencePiece, Chinese SubChar, Japanese MeCab/Sudachi bake-off, …)
- `github/` — 23 shallow-cloned repos (`minbpe`, `sentencepiece`, `tokenizers`, `jieba`, `mecab`, `Sudachi`, …)
- `docs/` — Hugging Face NLP course chapter 6 (train BPE / WordPiece / Unigram)
- `INDEX.md` — catalog and reading order

This is a snapshot of public papers and GitHub sources, not a trained tokenizer. Licenses follow the original papers and repos.