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Subtitle Translation · YouTube

Free Online translate Thai subtitles to English

Translate thai subtitles to english free online. AI translation keeps every timestamp intact. No watermark, works in your browser, private by default.

No credit card · No watermark · Works in browser
Local engine, free tier 34 languages Privacy first
speakvid.com/en/tools/subtitle/workbench
Tasks
Subtitle Translation
Subtitle
Voiceover
TTS
S
Free Online translate Thai subtitles to English
Processing in browser · local mode
Thai English AI
Thai to English
Output
SRT subtitle
Dubbed video
Transcript
Progress72%
34+Translation languages
300+AI voices
24Recognition languages
100%Local mode available
Sound Familiar?

The old way is slow and expensive

Manual translation, hired voice actors, days of waiting. Creators and teams lose time and money on every single video.

Skip the old workflow

Copying subtitles line by line into Google Translate?

Losing all timing when you paste translated text back?

Paying per-minute rates for a simple subtitle translation?

Stuck with tools that only support a few languages?

How It Works

Done in four simple steps

Upload, pick languages, and let the AI handle the rest. No software to install.

01

Upload video or subtitle file

A few clicks, that is all.

02

Pick the language pair

A few clicks, that is all.

03

AI translates keeping timing

A few clicks, that is all.

04

Export SRT / VTT or edited script

A few clicks, that is all.

I run a small food channel from Chiang Mai, and my Thai aunt's som tam recipe video hit 2 million views last month. Problem? 80% of comments were asking for English subtitles. I tried doing it myself—spent four hours on one 12-minute video, got the tone markers wrong, and gave up. Then I found a way to just upload her SRT file, hit translate, and get back clean English subs in about three minutes. Downloaded as VTT for YouTube, SRT for my backup. Didn't cost anything. Posted three more recipe videos that week because I wasn't stuck translating anymore.

A SpeakVid user story
Why SpeakVid

Everything you need, nothing you do not

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Timing preserved

Every translated line keeps its original timestamp.

<circle cx="12" cy="12" r="10"/><line x1="2" y1="12" x2="22" y2="12"/><path d="M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z"/>

34 target languages

Translate subtitles to 34 languages in one click.

<rect x="4" y="4" width="16" height="16" rx="2" ry="2"/><rect x="9" y="9" width="6" height="6"/><line x1="9" y1="1" x2="9" y2="4"/><line x1="15" y1="1" x2="15" y2="4"/><line x1="9" y1="20" x2="9" y2="23"/><line x1="15" y1="20" x2="15" y2="23"/><line x1="20" y1="9" x2="23" y2="9"/><line x1="20" y1="14" x2="23" y2="14"/><line x1="1" y1="9" x2="4" y2="9"/><line x1="1" y1="14" x2="4" y2="14"/>

Multiple AI engines

DeepSeek, Kimi, Qwen or your own Ollama models.

<path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/><polyline points="14 2 14 8 20 8"/><line x1="16" y1="13" x2="8" y2="13"/><line x1="16" y1="17" x2="8" y2="17"/><polyline points="10 9 9 9 8 9"/>

SRT / VTT / TXT export

Download in any format, or copy the script for editing.

<polygon points="12 2 2 7 12 12 22 7 12 2"/><polyline points="2 17 12 22 22 17"/><polyline points="2 12 12 17 22 12"/>

Batch queue

Upload multiple files and process them in sequence.

<path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7"/><path d="M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z"/>

Edit before export

Fine-tune any line in the result, then export the final version.

What You Get

Languages and output formats

Thai to English Translate between 34 languages
SRT / VTT / TXT SRT, MP4, MP3 and more
No watermark Clean exports, always
Fast processing Minutes, not days
FAQ

Common questions

Will the English translation keep my Thai cooking terms accurate?+

Yes—ingredient names like 'pla ra' or 'palm sugar' stay recognizable. You can quickly edit any term in the preview before downloading your SRT or VTT file.

Can I translate a YouTube auto-generated Thai subtitle file?+

Absolutely. Download the auto-generated Thai SRT from YouTube Studio, upload it here, and get proper English subtitles back without starting from scratch.

My video has Northern Thai dialect—will it still work?+

Standard Thai translates smoothly. For heavy dialect, the base structure comes through clearly, and you can fine-tune tricky phrases in the TXT preview before finalizing.

How accurate is the AI result?+

SpeakVid uses industry-leading recognition and translation models (Whisper, DeepSeek, Kimi and more), with multi-level fallback to keep output reliable.

How long does it take to translate thai subtitles to english?+

Most tasks finish in minutes. A 10-minute video typically completes in 2-5 minutes depending on length and engine.

Still have questions? Contact us
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