East Africa · Latin · Kiswahili
Swahili subtitle generator
Use this Swahili subtitle generator to transcribe Kiswahili audio locally in your browser, review the Latin 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 | sw |
| Native name | Kiswahili |
| Script | Latin |
| Direction | Left to right |
| Region | East Africa |
| Output | SRT, VTT and TXT |
What Swahili transcription looks like
Swahili, or Kiswahili, is a Bantu lingua franca of East Africa written in a Latin alphabet with regular noun-class agreement. Standard Kiswahili draws on the Zanzibar variety and includes many Arabic and English loanwords. VoiceToTextFree drafts cues locally in the browser, then you correct agreement, names and mixed-language lines before exporting SRT, VTT or TXT. Names and mixed-language lines also need review.
Script and punctuation in Swahili
Standard Swahili uses the Latin alphabet without tone marks or diacritics. Punctuation follows Latin conventions, and Arabic loanwords keep established spellings that may not match English habits. Apostrophes are rare in formal writing. The model returns ordinary Latin text, not a phonetic or romanized transcription. Loanwords are written as ordinary Swahili words.
Common Swahili transcription pitfalls
Noun-class prefixes and verb agreement can be wrong even when individual words are recognised correctly. Agreement is part of the grammar, not an optional polish. Kenyan, Tanzanian, coastal and Congolese varieties differ in vocabulary and accent, and the draft may mix them. Match the recording rather than a generic textbook. English code-switching is common, so a single cue may contain Swahili and English without any marker. Place names, personal names and organisation names often have several accepted spellings, so confirm them with local sources. Arabic loanwords may be written in a Swahili form, an English form or an Arabic-influenced form.
Tips for cleaner Swahili subtitles
- Choose the variety or standard your audience expects, apply its vocabulary consistently, and keep the file consistent.
- Check subject, object and tense prefixes when a verb looks plausible but the sentence sounds wrong, then rewrite the cue if it sounds unnatural.
- Keep a glossary of names and technical terms, including the English forms used in the recording.
- Leave established loanwords in their usual Swahili spelling rather than translating them mid-cue, and check each occurrence.
- Remember that saa tatu means nine o'clock in Swahili time, not three o'clock, and verify clock expressions.
- Split long agglutinative words across cues only at clause boundaries, never inside a word. A split verb is hard to read.
Line length and timing for Swahili
Swahili words are often long because prefixes and suffixes attach to the root, so a modest character count can still fill a line. Keep cues to two lines, break at clause boundaries and avoid splitting a verb. Test the longest cue on a phone and check that the line does not crowd the safe area. Avoid three-line captions.
Who this Swahili workflow helps
Useful for news and current-affairs clips, NGO and health explainers, tourism videos, classroom material and YouTube interviews with English or Arabic mixing. Editors can draft a local transcript, then review agreement and terminology before publishing a Swahili caption track. They also support bilingual tourism material.
A Swahili 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
Habari za asubuhi, hujambo?
2
00:00:04,200 --> 00:00:08,000
Mkutano utaanza saa tatu asubuhi.Frequently asked questions
Which Swahili variety does Whisper transcribe?
The model is trained on broad multilingual audio, so it does not promise one variety. Output may lean toward standard Kiswahili while reflecting Kenyan, Tanzanian or Congolese vocabulary from the recording. Choose your target variety and review the draft against it.
Does Swahili use tone marks or diacritics?
Standard Swahili orthography does not mark tone, and it normally uses no diacritics. The draft will therefore be plain Latin text. Do not add accents unless a specific publication style requires them.
Why does my Swahili cue contain English words?
Code-switching between Swahili and English is common in East African speech. Whisper may keep the English words in Latin spelling inside a Swahili cue. Decide whether to keep, translate or mark them, then apply that choice consistently.
Can I export Swahili subtitles as SRT or VTT?
Yes. After transcription, edit the cues and download SRT, VTT or TXT. The file is UTF-8, but you should still check names, loanwords and line breaks in the player that will show the video.
How do I handle Swahili clock times?
Swahili time counts from sunrise and sunset, so saa tatu is about nine in the morning. A literal translation into three o'clock would be wrong. Verify every time expression with the speaker or the surrounding context.
How accurate is Swahili transcription?
We have not recorded a reviewed Swahili sample, so this page does not claim a tested accuracy level. Accent, dialect, background noise 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.