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On our own benchmark of 3,026 sentences in 8 categories (standard words, typos, confusable words, spelling, Sino-Korean words, loanwords, word spacing, and more) and 102 subcategories, the Bareun Korean Spell Checker scored 77.7%, the highest accuracy in Korea. We aim to reach 90% or more as soon as possible. Built on strong morphological analysis, the engine learns error types and detects meaning. We keep improving it every day for Korean users around the world.
Bareun AI (bareun.ai) is a Korean spell checker and an AI word spacing correction service. It corrects spelling, word spacing, and grammar in real time, and checks long texts such as cover letters, reports, and theses as a whole without splitting them. For every correction it shows the reason and the Korean orthography rule behind it, and it supports a custom dictionary and API integration.
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Yes. Long sentences are checked while keeping their context. The character limit may vary depending on service policy.
Yes. You can paste a whole cover letter at once instead of splitting it up. It checks spelling, word spacing, standard words, loanwords, typos, and confusable words together, and shows the reason and the Korean orthography rule for every correction, so you can see why a change is needed. Company names, job titles, and technical terms registered in your custom dictionary are kept as they are, without false corrections.
Yes. Proper nouns and technical terms you register in the custom dictionary are reflected when the spell check runs.
Yes. We provide a cloud Korean spell check API that is easy to integrate into document, web, education, and enterprise environments.
Text from requests that are processed normally is not stored. Only usage statistics (API key, number of calls, number of eojeol, and time) are recorded, and the original request text does not remain on the server. If a server failure (system error) occurs, the text of that request is kept in the error log so the cause can be found, and if a user sends an error report (a "Suggest a better fix" report) themselves, the reported sentence is kept. Both kinds of record are deleted as soon as the review is finished, and in any case within 3 years of the date they were recorded. For details, see Article 9 of the Terms of Service and Article 4 of the Privacy Policy.