Professional Subtitle Translation

Translate subtitles with AI precision

Upload your SRT or VTT file, get fluent English translations powered by Claude and GPT-4o. Professional editing tools, quality control dashboard, and instant export.

25+
Languages
3
Formats
2
AI Models
6
QC Checks
Features

Everything you need for subtitle translation

AI Translation

One-click translation powered by Claude Sonnet 4.5 or GPT-4o Mini. Natural, fluent English that preserves tone, idioms, and speaker intent.

Claude · OpenAI · BYOK

Professional Editor

Side-by-side view with inline editing. Click any subtitle to refine the translation. Character count and reading speed indicators guide your edits.

42 char/line · CPS warnings

Quality Control

Automated QC dashboard checks timestamp integrity, line length, reading speed, empty blocks, and numbering — all in real time.

6 automated checks
📄

Multi-Format Support

Upload SRT, VTT, or SUB files. All timecodes, numbering, and formatting are preserved exactly. Export in the same format you uploaded.

.SRT · .VTT · .SUB
Pricing

Simple, honest pricing

PRO
$9.99
per month
Get Started

Free features available without subscription — BYOK supported

Ready to translate?

Upload your first subtitle file and see the difference.

Open LUMIERE