What is Line 21?
Line-21 is a professional live captioning solution for live events, YouTube streams, etc.Key innovation: an Ai Proofreader that checks captions before they are delivered.It provides multiple modes of operation such as Advisor, Assistant, and Approver, catering to different levels of user involvement.
Whether for live events or pre-written content, L21 AI Proofreader provides recommendations, live edits, or final checks to ensure the highest quality captions and textual accuracy.The tool respects context, adapts to content, and allows users full control over its behavior through different trust modes: Advisor, Assistant, Approver.
It provides two precision levels, optimized for speed or accuracy, ensuring flawless delivery of captions.Ai Proofreader learns from context, recognizes thematic elements, character names in scripts, or technical terms, making it adept at proofreading with a keen, context-aware eye.
Line 21 details
- Company
- L21 Limited
- Built for
- Businesses and teams
Line 21 tech specs
- Works with
- OpenAI / GPT Anthropic / Claude
- Integrations
- Discord
Line 21 pricing
FreemiumLine 21 offers a free plan with paid upgrades available.
Verify on the official pricing page.
View plansLine 21's key features
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Live events captions proofreading
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Contextual proofreading
Line 21 use cases
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Improving the quality of live event captions with real-time suggestions and edits
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Refining pre-written articles or reports with context-aware grammar and style checks
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Ensuring technical documents adhere to specific terminologies and factual consistencies
Line 21 user reviews
Based on 6 reviews, 100% of users recommend Line 21, rated highly for quality results.
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Who is Line 21 for?
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Content creators
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Event organizers
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Writers
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Editors
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Proofreaders
