
Fine-Tune Your AI-Generated Content
Machine translation gets you started. Our expert post-editors take it further. Machine-generated content, whether text, voice, or audio, often lacks nuance, tone, and context. Our expert post-editors and QA specialists step in to correct, refine, and elevate every output, so your message lands exactly as intended, everywhere.
MTPE Across All AI Products
Refine raw machine translations by correcting grammar, terminology, and formatting, aligned with your brand voice and industry standards.
Learn MorePolish transcriptions and voiceovers for accuracy, clarity, and cultural fluency, making your audio sound truly human.
Learn MoreValidate AI-translated content across all formats with human QA, ensuring meaning, intent, and context stay intact.
Learn MoreEnhance your custom MT outputs with expert post-editing to match tone, messaging, and domain-specific terminology.
Learn MorePerfect aligned bilingual text by verifying segment quality for training data, TMs, or high-quality content reuse.
Learn MorePolished Multimedia, Powered by Humans
AI can generate transcriptions, subtitles, and voiceovers quickly, but only human experts can ensure they’re perfectly timed, tonally accurate, and culturally appropriate. We refine your multimedia outputs to meet professional and audience expectations.
Transcriptions
We correct grammar, punctuation, speaker tags, and context to create clean, accurate transcripts for any platform or use case.
Subtitles & Captions
We polish subtitle text, timing, and readability, ensuring your content is accessible, synchronized, and style-compliant.
Voiceovers
From emotional tone to linguistic clarity, we enhance AI voiceovers for a natural, humanlike feel that fits your target audience.
Serving All Industries with Expert QA
Different industries speak different languages. That’s why our MTPE workflows are built around subject-matter expertise, industry standards, and region-specific terminology—ensuring your AI content is not just correct, but credible.
Legal & Compliance
Medical & Healthcare
Media & Entertainment
Marketing & Advertising
E-Commerce
Techical & Engineering
Our 4-Step Post-Editing QA Process
Why Choose MarsHub for MTPE & QA?

Native Post-Editors with Domain Expertise
Your content deserves editors who understand both language and industry.
Multi-Format Support
We handle text, voice, audio, subtitles, PDFs, and more.
AI-Aware Workflow
Optimized for hybrid workflows, seamlessly blending AI and human precision.
Scalable, Fast, Reliable
From a single doc to thousands of hours of voice, we scale with you.