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Trustample

Convert Korean audio to text

Korean speech to clean Hangul text, for meetings, content and study.

Free: 60 min per 30 days, files up to 30 min / 50 MB · Paid plans: 10 to 100 hrs, files up to 2 GB. Big video? Upload just its audio track: same transcript, much faster upload.

Encrypted in transit · audio & video auto-delete in 30 days · never used to train AI

Optional settings

Set this for the most accurate result on quiet or mixed audio.

Get a second copy translated into another language (Pro).

Uncommon words the AI might misspell. List them so they come out right.

Last updated 21 July 2026

Trustample transcribes Korean speech into natural Hangul text with standard spacing and punctuation, from meetings, lectures, sermons, interviews and voice notes. Demand keeps growing, from K-content creators to Korean-American communities and cross-Pacific business, and Hangul's phonetic design suits speech recognition unusually well.

Korean spacing is a real quality marker, not a cosmetic one: particles like 은/는 and 이/가 attach to the word before them, while spacing rules split noun phrases in ways even native writers debate. The transcript follows standard conventions, so particles stay attached where they belong, and the occasional debatable boundary is a one-click inline fix. Business recordings keep their register too: a presentation delivered in formal 합쇼체 reads as formal in the transcript as it sounded in the room, which matters when minutes go to people who were not there.

Students of Korean use transcripts as study aids (listen, read, replay any sentence with one click); businesses pair the transcript with Pro's English translation for meeting notes both offices can read, the two-step workflow explained in how to translate audio to text.

Set the spoken language to Korean before uploading; it routes the audio to the right model and beats auto-detect on casual speech. The free hour each month covers a sermon or a week of study clips (files to 30 minutes, TXT export, card-free); sermon-length and lecture-length recordings are where the paid tiers take over, with files up to 3 hours on Basic and 6 hr 40 min on Pro.

How it works

  1. 1Set 'Spoken language' to Korean under the upload box.
  2. 2Upload the recording or video.
  3. 3Edit inline, export, and translate to English on Pro.

Frequently Asked Questions (FAQs)

Does it handle honorifics and casual banmal?

Both. The transcript reflects what was said, formal or casual. Very fast variety-show-style overlapping speech is the hardest case.

Is Hangul spacing handled correctly?

Yes. Output follows standard Korean spacing conventions, and anything odd is a one-click inline fix.

Can I transcribe Korean church sermons or lectures?

Yes. Long-form single-speaker Korean is close to a best case. Basic covers files up to 3 hours; Pro up to 6 hr 40 min. The lecture transcription workflow (upload, skim, export study notes) applies to Korean unchanged.

How do Korean transcripts export?

TXT, DOCX, SRT and VTT all carry Hangul perfectly. For PDFs, export DOCX and print from Word; the built-in PDF font is Latin-only.

Can I translate a Korean recording to English?

On Pro, yes: Korean transcript first, stored English translation second, both kept together so a mishear shows up as a checkable Hangul error rather than vanishing into the English. Free route: export the Korean text and use any free translator.

How does it handle Konglish and English loanwords?

Konglish loanwords written in Hangul come out as Korean writes them (컴퓨터, 미팅), and short English phrases inside Korean speech usually survive as English. A recording that swings whole sentences between Korean and English is harder for any model; transcribe it under whichever language does most of the talking.

Does it romanize Korean, or output Hangul only?

Hangul only, because that is what the audio is. Romanization is a separate transliteration step with competing standards (Revised Romanization vs McCune-Reischauer), and names are the messiest part: 이 can be Lee, Yi or Rhee depending on the person. If an English document needs romanized names, settle them during the Pro translation pass or convert the exported text with a dedicated tool.

An honest note: Fast overlapping speech (variety-show banter, heated multi-person debate) is the hard case for Korean, as for every language. Single-speaker and turn-taking audio does well; expect a heavier editing pass when everyone talks at once.

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