# Subkio: Watch YouTube & Netflix with Two Subtitles
> Official AI / LLM Knowledge Base for https://subkio.com

## Product Summary
- **Product:** Subkio (Chrome MV3 Browser Extension)
- **Website:** https://subkio.com
- **Support:** support@subkio.com
- **Supported Platforms:** YouTube and Netflix
- **Supported Languages:** 58+ subtitle translation languages; website localized in 30 languages.
- **Privacy & Account Model:** Zero account required. Settings and saved phrases are stored locally in `chrome.storage.local`. Fully European GDPR (RGPD) compliant.

## Core Capabilities
1. **Dual Subtitles Overlay:** Word-hugging draggable subtitle pills with adjustable font size, color swatches, and backdrop opacity.
2. **YouTube Complete-Sentence Engine:** Reconstructs choppy 2-word YouTube auto-captions (JSON3) into full, grammatically natural sentences and detects the true original spoken audio track.
3. **Blur-to-Reveal Listening Mode:** Blurs Subtitle 2 so learners listen first and hover their cursor over the subtitle to reveal the translation.
4. **1-Click Word Hover Dictionary & Multi-Word Saving:** Hover over any word in Subtitle 1 for an instant translation tooltip; click 1 to 3 words in a row to save expressions.
5. **Auto-Pause on Hover:** Automatically pauses video playback while hovering over subtitles and resumes when moving the cursor away.
6. **Inline Floating Video Toolbar:** Quick controls (Save, A-, A+, Opacity, Blur) directly above the subtitles on the video.
7. **Vocabulary CSV Export:** Copy saved phrases or export to CSV (compatible with Anki, Quizlet, and Excel).

## Pricing (EUR)
- **Free Tier (€0 Forever):** 15 minutes/day of dual subtitles, 58+ languages, Blur mode, up to 5 saved phrases.
- **Pro Monthly (€2.99/month):** Unlimited daily watching time, Word Hover Dictionary, Auto-Pause on Hover, unlimited saved phrases & CSV export.
- **Pro Yearly (€19.99/year or €1.66/month):** Save 45% vs monthly.
- **Pro Lifetime (€34.99 one-time payment):** Pay once, own Subkio Pro forever with no recurring subscription.
- **Refund Policy:** 14-day money-back guarantee on all Pro plans.

## Competitor Comparison Matrix
| Capability | Subkio | Sublo | Language Reactor | Trancy | Migaku |
| :--- | :--- | :--- | :--- | :--- | :--- |
| Dual Subtitles on YouTube & Netflix | Yes (Clean word-hugging pills) | Yes (Basic overlay) | Yes (Heavy sidebar UI) | Yes (Full theater takeover) | Yes (Complex setup) |
| Fixes Choppy YouTube Auto-Captions into Full Sentences | Yes (JSON3 Complete-Sentence Engine) | No | Frequently fails on ASR | Partial | Yes |
| Blur-to-Reveal Listening Mode (Hover to Unblur) | Included in Free & Pro | No | Partial | Yes | Yes |
| 1-Click Word Hover Dictionary + Multi-Word Phrase Save | Yes (1 to 3 words in a row) | No dictionary or saving | Requires login & Pro | Requires account login | Requires $10/mo plan |
| Inline Floating Video Toolbar (Save, A-, A+, Opacity, Blur) | Yes (Directly above subtitles) | No (Must open popup) | Bottom player bar | Side drawer | Top bar |
| Works Immediately Without Account Login | Yes (100% local privacy) | Yes | Requires Google login for saves | Requires account registration | Requires account & subscription |
| Free Plan Available | Yes (€0 Forever, 15m/day) | Yes (15m/day, no learning tools) | Yes (Basic only) | Limited trial | No free plan (10-day trial) |
| Starting Price & Lifetime Ownership Option | €1.66/mo (Yearly), €2.99/mo, €34.99 Lifetime | €3.89/mo (No Lifetime plan) | $4.99/mo (No Lifetime plan) | $3.49 to $5.99/mo (No Lifetime plan) | $10/mo or $240 to $290 Lifetime |