Free Video Subtitle Translator Online — Add Subtitles in 40+ Languages

Free Video Subtitle Translator Online

Add translated subtitles to any video — in ~10 minutes, for free.

Got a YouTube video in Turkish? A TikTok in Chinese? A Korean drama episode? Subly translates the spoken audio into text, translates it into your language, and burns the subtitles directly into the video. No editing software. No account creation. Just a Telegram link.

How to translate a video for free: 1. Open @subly1bot on Telegram 2. Paste any YouTube, TikTok, or video URL 3. Choose your output language 4. Receive the subtitled video in ~10 minutes

Free plan includes up to 30 minutes of video per day. No registration required — just start.

What "Free Video Subtitle Translator" Actually Means

Most tools advertise "free" but limit you to 1-minute clips, add watermarks, or require a credit card. Here is what Subly's free tier actually includes:

No trial period. No automatic billing. Paste a link, get a translated video.

How the Free Subtitle Translation Works

Subly uses a three-step AI pipeline:

Step 1 — Speech-to-text (transcription) Whisper Large, OpenAI's state-of-the-art speech recognition model, transcribes the spoken audio. It handles strong accents, background music, and multiple speakers. Supported source languages: 50+.

Step 2 — AI translation The transcript is translated using Gemini 2.5 Flash — Google's fastest production-grade model. Unlike Google Translate applied to raw captions, Subly translates full sentences in context, preserving meaning and natural phrasing.

Step 3 — Subtitle burning The translated text is timed to the original audio and burned directly into the video using FFmpeg. You receive an MP4 file you can share immediately on Telegram, WhatsApp, or any social platform.

Languages You Can Translate Into (Free)

All 40+ output languages are available on the free plan:

Most popular: - Russian (Русский) - Arabic (عربي) - Persian/Farsi (فارسی) - Hindi (हिन्दी) - Spanish (Español) - Indonesian (Bahasa Indonesia)

European: - French, German, Italian, Portuguese, Polish, Dutch, Ukrainian, Turkish

Asian: - Chinese (Simplified), Japanese, Korean, Vietnamese, Thai, Bengali

Other: - Hebrew, Swahili, Malay, Romanian, Czech, Greek, and more

You can also translate from any of these languages. If you are unsure what language the video is in, use "Auto-detect" — Subly will identify it automatically.

Free Subtitle Translation for Common Use Cases

Turkish Drama → Russian (most popular)

The most common use case: translate Turkish TV series like Kuruluş Osman, Diriliş Ertuğrul, Yalı Çapkını, and Kızılsarık into Russian. Full episodes up to 30 minutes translate in about 10 minutes.

Korean Drama → English

K-drama fans translate episodes same-day, before professional subtitles are released. Works with YouTube official uploads and fan-uploaded clips.

English YouTube → Arabic/Persian/Hindi

Content creators and educators translate English-language tutorials, lectures, and vlogs for Arabic, Persian, and Hindi-speaking audiences. Useful for channel admins managing foreign-language channels.

TikTok/Shorts → Any Language

Short videos (under 3 minutes) translate in 2-4 minutes. Subly supports TikTok URLs, YouTube Shorts, and Instagram Reels links directly — no download required.

Anime → Any Language

Japanese anime episodes translate into English, Russian, Arabic, and other languages. Handles Japanese honorifics and cultural terms better than generic machine translation.

Free vs Paid — What Is the Difference?

The free plan is fully functional for most individual users. Paid plans add:

If you translate one episode per day, the free plan covers most use cases. Upgrade only if you need the watermark removed or longer videos.

Frequently Asked Questions

Is the subtitle translation actually free? Yes. The free plan does not require a credit card, does not auto-upgrade, and does not expire. You can translate up to 30 minutes of video per day indefinitely.

What video sources are supported? YouTube, YouTube Shorts, TikTok, Douyin, Instagram Reels, and direct video file uploads (MP4, MKV, AVI). Most public video URLs work.

How accurate is the translation? Translation accuracy depends on the language pair. Turkish → Russian and English → Arabic perform at 8-9/10 quality in testing. More obscure language pairs (e.g., Swahili → Polish) may be lower quality.

Does it work for full TV episodes? Yes, up to 30 minutes on the free plan. Most drama episodes are 40-50 minutes — the free plan covers roughly half an episode. For full episodes, the $5/month Starter plan supports up to 60 minutes.

Do I need to install anything? No. Subly runs as a Telegram bot. If you have Telegram installed (iOS, Android, desktop, or web), you can use Subly immediately.

Can I remove the watermark for free? The watermark is removed on paid plans starting at $5/month. You can also invite 3 friends via the referral program to earn 1 month free on the Starter plan.

What is the processing time? A 30-minute video typically takes 8-12 minutes to process. Shorter videos (under 5 minutes) usually finish in 2-4 minutes.

How Subly Compares to Other Free Subtitle Translators

Subly's free plan is the most generous for daily use. The trade-off: it runs through Telegram rather than a web interface. For most users who already have Telegram, this is not a trade-off at all.

Start Translating for Free

Open @subly1bot and paste a video URL. No sign-up, no credit card.

Free plan covers: up to 30 minutes per video, 40+ languages, unlimited jobs (within daily limit), direct video output with subtitles burned in.