Imprint
Last updated: October 20, 2026
Information according to § 5 DDG
Konstantin Duczek
Schillerstraße 21
12207 Berlin
Germany
Email: support@captionlearn.com
No VAT is charged under the small business rule (§ 19 UStG).
Responsible for content (§ 18 Abs. 2 MStV)
Konstantin Duczek, address as above.
Dispute resolution
We are neither obliged nor willing to take part in dispute resolution proceedings before a consumer arbitration board.
Third-party content
Videos are played through YouTube's embedded player and remain the property of their respective owners. CaptionLearn is not affiliated with YouTube or Google. Translations are provided by DeepL SE.
Data sources
Base forms and multi-word expressions are built from the following data, used under the licences named:
- Lemmatization Lists, Michal Boleslav Měchura (ODbL 1.0)
- Wiktionary, Wiktionary contributors, via kaikki.org (wiktextract) (CC BY-SA 4.0)
- PoliMorf, Morfeusz/SGJP team, IPI PAN (BSD 2-Clause)
- IPADIC 2.7.0 (via Lindera), Nara Institute of Science and Technology (IPADIC licence)
- mecab-ko-dic (via Lindera), Yongwoon Lee, Yungho Yu (eunjeon project) (Apache 2.0)
- jieba, fxsjy and jieba-rs contributors (MIT)
- pinyin-pro, zh-lx (MIT)
- es-hangul, Toss (MIT)
- Universal Dependencies treebanks, UD contributors (AnCora, GSD, MarkIT, TWITTIRO, PUD, Bosque, Porttinari, HDT, EWT, Alpino, LassySmall, Talbanken, MPDT) (CC BY 4.0 / CC BY-SA)
- FrequencyWords, Hermit Dave, from OpenSubtitles (CC BY-SA 4.0)