AI ASS Translator
Free for the first 1,000 credits
AI-Powered ASS Translation
We use the latest large language models — not outdated rule-based engines — to deliver translations that truly understand your content.
State-of-the-Art LLM Models
Powered by GPT-4, DeepSeek, Claude, and other leading models. These LLMs understand grammar, idioms, and domain-specific terminology far beyond traditional machine translation.
Context-Aware Translation
LLMs read entire paragraphs and chapters, not isolated sentences. This means pronouns, references, and tone stay consistent throughout your document.
Multi-Model Architecture
Different models excel at different languages and domains. Our system automatically selects the best model for your content to maximize quality.
Superior to Traditional MT
Large language models produce natural, fluent translations that read like human writing — not the awkward, literal output of legacy translation engines.
How to Translate ASS Files
Upload Your ASS File
Drag and drop your ASS file or click to browse. We support files up to 300MB.
Choose Target Language
Select from 100+ languages. Our AI understands context for natural translations.
Download Translation
Get your translated ASS file in minutes with formatting preserved.
Why Translate ASS with BookTranslator
Rich Styling Preserved
Fonts, colors, borders, shadows — all ASS styling effects are maintained.
Effects & Animations
Karaoke effects, movement, and fade animations remain functional.
Frame-Accurate Timing
Subtitle timing is preserved to the hundredth of a second.
Multiple Style Support
Different character styles and dialogue types are all preserved.
Why Choose BookTranslator
10x Faster Than Manual Translation
Translate entire documents in minutes, not weeks. Our AI processes thousands of words per second while maintaining context and accuracy.
Pay Only for What You Use
No subscription required. Pay per word count with transparent pricing. Free preview available so you can check quality before paying.
Context-Aware AI Translation
Unlike generic translators, our AI understands document context — technical terms, literary style, and domain-specific vocabulary are translated accurately.
Email Delivery & Easy Access
Translated files are delivered to your email automatically. No account required for basic translations. Download anytime from your history.
See ASS Translation in Action
Compare the original ASS document side-by-side with the translated version. Layout, formatting, and structure are fully preserved.
Original ASS document
Translated ASS — layout preserved
Who Uses ASS Translation
Anime Community
Translate styled anime subtitles while preserving karaoke effects and typography.
Fansubbers
Speed up fansub workflows with AI-assisted translation of complex ASS files.
Video Editors
Translate rich subtitles with effects for professional video productions.