Explain Selected records 0 monthly visits with — month-over-month growth and Free pricing. HeyGen records 7,000,070 monthly visits with +9.4% growth and Freemium pricing.
Highlight any text, get the right definition and a plain-language explanation
Turn scripts into studio-quality AI avatar videos in minutes
| Dimension / Metric | | |
|---|---|---|
| Official Domain | chromewebstore.google.com | app.heygen.com |
| Pricing Model | Free | Freemium |
| Monthly Visits | 0 (0) | 7M (7,000,070) |
| MoM Traffic Delta | 0 (—) | +599.16K (+9.4%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (18.5%) |
| Direct Visits / mo | 0 | 4.1M |
| User Rating | 3.8 | 4.8 |
| Supported Platforms | Browser Extension | Website |
Highlight any text, get the right definition and a plain-language explanation
ChatGPT infers which sense of a word fits the sentence you highlighted, instead of dumping every dictionary entry at once.
Matching dictionary entries and audio pronunciation are pulled in so you can hear as well as read the word.
Select text and click the purple circle that appears — no popup windows, no copy-pasting into a separate tab.
Add words you want to remember to a personal list so you can review them later.
Turn scripts into studio-quality AI avatar videos in minutes
Choose from 500+ stock presenters, use photo avatars, or train a custom Video Avatar that looks and sounds like you, then generate narrated videos straight from a script.
Localize one recording into 175+ languages and dialects with editable scripts, brand glossaries, voice switching and proofreading seats for native-language review.
An agentic workflow expands ideas into finished videos, with access to leading generative models for video and image generation on higher plans.
Add quizzes, branching and decision points, embed videos by link, and export SCORM packages so content drops straight into corporate learning systems.
SpecialistAll-in-one mobile and web video editor equipped with built-in AI avatar and captioning tools.
SpecialistAll-in-one mobile and web video editor equipped with built-in AI avatar and captioning tools.
SpecialistProvides industry-leading voice cloning and speech synthesis for realistic avatar narration.
SpecialistProvides industry-leading voice cloning and speech synthesis for realistic avatar narration.
SpecialistOffers browser-based video creation with AI avatar and voice generation tools.
SpecialistOffers browser-based video creation with AI avatar and voice generation tools.
Provides accessible AI avatar video creation and talking-head templates, featuring a generous free tier but simpler editing tools.
Provides accessible AI avatar video creation and talking-head templates, featuring a generous free tier but simpler editing tools.
Learn languages from Netflix, YouTube, and real-world texts with dual subtitles and AI
Learn languages from Netflix, YouTube, and real-world texts with dual subtitles and AI
Industry-leading AI avatar creator focusing on corporate training and presentations, though with a different template selection and pricing structure.
Industry-leading AI avatar creator focusing on corporate training and presentations, though with a different template selection and pricing structure.
SpecialistSpecializes in interactive conversational video agents with personalized memory, going beyond HeyGen's pre-rendered presenter videos.
SpecialistSpecializes in interactive conversational video agents with personalized memory, going beyond HeyGen's pre-rendered presenter videos.
Focuses on real-time conversational digital humans and talking-head videos, offering stronger interactive capabilities than HeyGen's studio builder.
Focuses on real-time conversational digital humans and talking-head videos, offering stronger interactive capabilities than HeyGen's studio builder.
Converts URLs and scripts into avatar-led marketing videos, offering a simpler workflow tailored for e-commerce ads.
Converts URLs and scripts into avatar-led marketing videos, offering a simpler workflow tailored for e-commerce ads.
Generates avatar-led translation and marketing videos from text, combining desktop software familiarity with cloud rendering.
Generates avatar-led translation and marketing videos from text, combining desktop software familiarity with cloud rendering.
SpecialistFocuses heavily on multilingual video dubbing and automated subtitle generation.
SpecialistFocuses heavily on multilingual video dubbing and automated subtitle generation.
Specializes in turning documents into interactive workplace training videos with avatars, though with fewer marketing-focused customization features.
Specializes in turning documents into interactive workplace training videos with avatars, though with fewer marketing-focused customization features.
