Southeast Asia · Khmer · ខ្មែរ
Khmer subtitle generator
Use this Khmer subtitle generator to transcribe ខ្មែរ audio locally in your browser, review the Khmer cues and wording, then export SRT, VTT or TXT. The draft needs a fluent human review, and no account, upload or paid API is required.
By Abdul Samad · Last updated
Generate subtitles
Runs Whisper in your browser. No upload, no account, no credit card.
Choose a video or audio file
Drop it here, or click to browse. MP4, MOV, WEBM, MP3, WAV, M4A and similar formats.
Your file never leaves your device
Up to 500 MB. Files over 100 MB can be slow on phones.
Only transcribe media you own or have permission to use. VoiceToTextFree does not download media from other sites.
Auto-detect works for clear speech; choosing the language is faster and safer for accents.
Limits: 500 MB per file; speech must be audible; Whisper can struggle with music, overlapping voices and very noisy recordings. VoiceToTextFree does not upload files or send audio to a paid API.
Key facts
| Item | Detail |
|---|---|
| Language code | km |
| Native name | ខ្មែរ |
| Script | Khmer |
| Direction | Left to right |
| Region | Southeast Asia |
| Output | SRT, VTT and TXT |
What Khmer transcription looks like
Khmer is written in its own script, with stacked consonants and vowel signs that wrap around the main letter, and ordinary text does not put spaces between every word. Khmer digits and Western digits both appear in modern material. VoiceToTextFree drafts Khmer cues locally in the browser, then you review word boundaries, subscripts and names before exporting SRT, VTT or TXT. Names and mixed digits also need review. Regional speech varies, and Khmer is comparatively low-resource for speech models.
Script and punctuation in Khmer
Khmer is written left to right in a script of stacked consonants and vowel signs. Ordinary text does not put spaces between every word; spaces separate phrases. Subscript consonants and diacritics change pronunciation, and the khan ។ marks a full stop. Khmer digits ០–៩ appear alongside Western digits. Khmer text also uses Latin punctuation in modern media.
Common Khmer transcription pitfalls
The model may insert spaces inside words or join separate phrases, because Khmer does not mark every word boundary. Khmer segmentation is genuinely ambiguous. Subscript consonants and vowel signs can be dropped or misplaced, changing the pronunciation of a syllable. Check each cluster against the audio. Khmer names and place names have several transliterations, and the Latin spelling may not match the Khmer text. French and English loanwords may be written phonetically or left in Latin script inside a Khmer cue, so keep one form consistently. Khmer digits and Western digits can appear in the same file, so number styles may be inconsistent.
Tips for cleaner Khmer subtitles
- Review word and phrase boundaries rather than trusting every space the model inserts, and keep the file consistent.
- Check stacked consonants and vowel signs on the longest and most technical words rather than only the common words.
- Keep a glossary of names, organisations and place names in one Khmer spelling, and confirm them locally.
- Decide whether loanwords stay in Khmer script or Latin script, then apply that choice consistently.
- Choose Khmer or Western digits for the whole file and test dates, prices and phone numbers.
- Break cues at phrase boundaries and avoid leaving a single short word alone on a second line. A single stray word looks untidy.
Line length and timing for Khmer
Khmer clusters are tall, and a single syllable can include a main consonant, a subscript and vowel signs above and below. Keep captions to two lines, allow extra line height and break at phrase boundaries. Test the longest cue at phone size so stacked marks are not clipped. Avoid three-line captions.
Who this Khmer workflow helps
Useful for Cambodian news clips, NGO and health explainers, school lessons, documentary interviews and YouTube channels that mix Khmer with English. Editors can draft locally, then correct word boundaries and names before publishing a reviewed Khmer subtitle track. They also serve bilingual community archives.
A Khmer cue with its English meaning
A short line transcribed as native script. Whisper generally returns the language's normal script, not a romanized version.
1
00:00:01,000 --> 00:00:04,000
ជម្រាបសួរ។ សុខសប្បាយទេ?
2
00:00:04,200 --> 00:00:08,000
ការប្រជុំនឹងចាប់ផ្តើមនៅម៉ោងប្រាំបួន។Frequently asked questions
Why does Khmer text have so few spaces?
Khmer normally writes words together and uses spaces between phrases, not between every word. Whisper may insert spaces at inconsistent points, so review word and phrase boundaries rather than accepting the draft layout as correct.
Does Whisper output Khmer in its own script?
Yes, the normal output is Khmer script. It does not promise a romanized transliteration, and English or French loanwords may appear in Latin letters inside a Khmer cue. Review the script before publishing.
What punctuation does Khmer use in subtitles?
The khan ។ is the traditional full stop. Modern text also uses Latin question marks, commas and quotation marks, so follow one house style consistently and check how the player renders the marks.
Should Khmer subtitles use Khmer or Western digits?
Both are common. Khmer digits ០–៩ appear in formal and older material, while Western digits are frequent online. Choose one style for the file and test dates, prices and phone numbers in the target player.
Can I export Khmer captions for YouTube?
Yes. Export SRT or VTT, test on a private upload, and check that stacked consonants and vowel signs render correctly. Watch for clipped marks and crowded two-line cues on a phone.
How accurate is Khmer transcription?
We have not recorded a reviewed Khmer sample, so this page does not claim a tested accuracy level. Accent, audio quality, word segmentation and code-switching affect results, and the page remains excluded from search until review is complete.
Sources and further reading
Abdul Samad — Creator and maintainer. About Abdul Samad.
Last updated · Published
Related guides
- How to improve Whisper accuracy for cleaner subtitlesHow to improve Whisper accuracy with better audio capture, explicit language selection, measured model sizes, overlap handling and a practical human review workflow.
- Right to left subtitles and non-Latin scripts: a practical guideRight to left subtitles need UTF-8, bidirectional text, correct punctuation, suitable fonts and player testing. A practical guide to RTL SRT and WebVTT.
- Subtitle best practices: a practical guide to cleaner captionsSubtitle best practices for real playback: clause-level segmentation, two-line limits, reading speed, punctuation, speaker IDs, SDH and a clean review pass.
Other languages
Languages in the picker: 99. The list is checked against the Whisper tokenizer by a unit test.