Papercup is a video localization and dubbing solution, now part of RWS’s language technology suite following its 2025 acquisition. It combines AI-powered transcription, translation, and expressive synthetic voice generation with human editorial review to ensure accurate language and natural intonation. The platform also produces synchronized subtitles and captions across multiple languages, enabling media companies, enterprises, and e-learning providers to deliver high-volume, high-quality localized content efficiently without the time or cost of traditional dubbing workflows.

Expressive AI dubbing with human-in-the-loop verification

Papercup leverages proprietary AI to generate natural, emotionally nuanced voiceovers for video content. Every translation and voiceover undergoes professional review to ensure fidelity to tone, style, and cultural context. Core capabilities include AI-powered voice synthesis, automated transcription and multi-language translation, and subtitle and caption generation. This hybrid workflow allows creators to produce polished, studio-quality localized content rapidly, with reduced manual production time while preserving the original content’s intent and emotional impact.

Scalable workflow for high-volume content creators

The platform supports rapid localization of large content libraries, with typical turnaround measured in days rather than weeks. Use cases include news organizations, corporate training videos, e-learning courses, and content creators expanding channels into multiple languages. Papercup’s managed-service model ensures professional oversight, maintaining accuracy and consistency while streamlining distribution across platforms such as YouTube. This approach enables teams to scale their localization efforts without sacrificing quality or tone.

Cloud accessibility and multi-language support

As a browser-based cloud service, Papercup requires no software installation and works across modern browsers. The platform supports numerous languages, including Spanish, Portuguese, French, German, Italian, and Hindi, with ongoing model updates to expand language coverage. Its cloud-first architecture provides enterprise-scale scalability, seamless content integration, and accessibility from any location without platform constraints.

Reliable, hybrid solution for global video localization

Papercup combines advanced synthetic voice technology with human verification to provide efficient, professional localization for video content. Its strengths lie in expressive AI dubbing, automated captioning, multi-language support, and scalability for high-volume workflows. The platform is particularly suitable for media organizations, enterprises, and content creators seeking a managed, cost-effective solution that preserves the emotional nuance and quality of the original content.