Top 7 AI Dubbing Solutions for Video Localization in 2025

These days, content reaches more global audiences than ever, so the demand for fast, cost-effective, and decent-quality dubbing solutions continues to grow. AI dubbing tools, once a novelty, are now steadily finding their place in the workflows of both solo creators and large studios.

Of course, traditional dubbing processes still hold value for high-budget productions, but AI tools offer an accessible assistant or sometimes an alternative that makes multi-language content production easier and faster. For creators posting weekly videos and studios managing dozens of client projects at once, AI dubbing helps meet tight deadlines without cutting corners on localization.

Here’s a closer look at the best AI dubbing tools available right now, plus where LALAL.AI fits into this fast-developing space.

How We Selected the Best AI Dubbing Software 

After testing various options, the one factor that kept coming up was voice quality and naturalness, even though this might be quite subjective and heavily depend on the source material. No matter how advanced the interface or how many languages a tool supports, if the voice sounds robotic or lifeless, the experience falls apart, especially in content where tone and delivery matter.

The best AI dubbing tools don’t sound synthetic. They sound like a real person recorded in a studio, with clear intonation, natural pacing, and the right emotional tone. In putting together this list, natural-sounding speech was a top consideration. We paid close attention to whether voices flowed well, avoided awkward pauses, and handled accents of the English language and pronunciation with care.

Beyond sound quality, usability plays a big role. The software needs to be clear, quick to process, and easy to navigate. For busy production teams or solo creators working to tight deadlines, tools that deliver good results from minimal input are essential.

Cost is another deciding factor. With prices ranging from free browser tools to enterprise-level platforms, budget constraints matter, but we didn’t include pricing in this article since some of the tools, especially those tailored for enterprises, don’t share pricing on their websites, so we recommend you contact them directly.

In short, the ideal AI dubbing solution offers: natural-sounding voices, fast turnaround times, simple workflows, and reasonable pricing. Everything else, like speaker detection, lip sync, and voice cloning, builds on top of those basics.

What to Look For in an AI Dubbing Tool

Not all tools are built the same. The right choice depends on your workflow, budget, and quality requirements. When evaluating options, answer these questions to yourself:

• Does it support the target languages you need?
• Are voices robotic or close to human delivery?
• Can it maintain voice identity across episodes or characters?
• Can it adapt tone, pitch, and delivery?
• Does it integrate easily into your video editing process?

Nice add-ons would be lip sync that is especially important for on-camera speakers or avatars and customization, for some tools offer voice cloning or custom voice models.

Top AI Dubbing Tools for Video Localization

Papercup

Papercup is a London-based AI startup that specializes in advanced AI-powered dubbing technology. The solution localizes content into multiple languages with human-like, emotive synthetic voices. Founded in 2017, Papercup’s goal is to "make the world's video content watchable in any language by generating voiceovers that closely mimic the original speaker’s voice, tone, and emotional expression," thus preserving the authenticity and nuance of the source material.

Papercup has raised significant funding (£16.2 million in Series A) to expand its research and market reach, targeting a global video translation market valued at around $100 billion. The startup employs ethical use of licensed voice data and fair pay, along with enterprise-grade data security and API integrations for seamless workflow incorporation. 

Key Features 

Papercup’s proprietary AI system automates the dubbing workflow through several stages:

• The tool accurately transcribes the original audio and recognizes the speech.
• Papercup converts the transcript into the target language.
• It produces natural-sounding synthetic voices that reflect the original speaker’s characteristics and emotions.
• Patented AI technology and 1000s of licensed AI voices, project managed by dubbing experts and quality checked by professional translators. 
• It aligns the dubbed audio with the on-screen mouth movements for seamless viewing. 

Unlike generic AI voices used in chatbots or assistants, Papercup’s voices, which are over 1000, fully licensed, are specifically designed to be expressive and engaging for video content tailored to enhance viewer retention and enjoyment.

To ensure high-quality output, Papercup combines AI with human expertise. Translators annotate and review the content during the process, thus improving translation accuracy and naturalness of the dubbing. This hybrid approach provides professional-grade dubbing that is both scalable and customizable. 

Pros & Who’s It For

Papercup provides media companies and YouTube channels with large libraries of content. It also offers automated voice-overs in multiple languages, with the added benefit of human review for those who need higher accuracy.

• Human-quality voice-overs backed by an editing team
• Used by companies like Bloomberg and Insider
• Best for: Enterprises, media outlets, large YouTube channels

Clients

Papercup’s technology is used across various industries including media, entertainment, education, corporate training, and streaming platforms. Notable clients, according to Papercup itself, include Sky News, Discovery, Business Insider, and The Jamie Oliver Group. For example, Papercup dubbed 30 seasons of Bob Ross’s "The Joy of Painting," reaching over 300 million viewers in the past year alone. 

Deepdub

Deepdub.ai is another AI-driven dubbing and localization tool. The company, based in Tel Aviv and founded in 2019, specializes in localizing video content for global audiences by using advanced artificial intelligence to produce natural-sounding, culturally authentic dubbed audio in over 130 languages. It offers an end-to-end platform that handles the entire dubbing process from transcription and translation to voice synthesis and post-production, delivering Hollywood-grade voice-overs with precise emotional expression and character continuity.

Deepdub has grown rapidly and raised around $20 million in funding and currently positions itself as a leader in AI dubbing by offering a user-friendly platform (Deepdub GO virtual AI dubbing studio), a white-glove full-service dubbing option, and an AI Audio API for easy integration into existing workflows. The company claims reducing costs by up to 50% and turnaround times by up to 75%, which makes it a competitive choice in the global content localization market.

Key Features

• Deepdub uses proprietary generative AI models to create digital replicas of human voices that preserve the original tone, emotion, and style of the source content, ensuring a compelling and authentic viewer experience. 
• A standout innovation by Deepdub is its Accent Control feature, which allows you to manipulate or retain the original accents of characters when dubbing into other languages.
• The platform supports real-time multilingual dubbing with high-quality audio output, which results in faster turnaround times and huge cost reductions compared to traditional dubbing workflows.
• Deepdub combines AI precision with human expertise, including sound technicians, audio engineers, and voice specialists who oversee projects to guarantee quality, cultural accuracy, and legal clearance for commercial use. 
• The company is TPN-certified and GDPR-compliant, ensuring media industry standards for content security and privacy are met. 

Pros & Who’s It For

This tool is a great choice if it's studio-grade dubbing that you want to achieve. Deepdub focuses on preserving character voices and emotional tone, making it well-suited for entertainment content such as films and TV shows.

• Offers voice matching and expressive dubbing
• Handles long-form narrative content
• Best for: Studios working on drama, trailers, fiction formats

Clients

Deepdub's clientele includes a wide range of industries including film, television, online media, and eLearning. Its clients include major Hollywood studios and streaming platforms such as Netflix, Amazon Prime, Hulu, and MHz Choice.

HeyGen

HeyGen is an AI-powered video creation and localization platform founded in December 2020 by Joshua Xu and Wayne Liang in Shenzhen. It simplifies and democratizes the production of high-quality, studio-grade videos using AI-generated avatars, voice-overs, and multi-language support. HeyGen combines AI dubbing with synthetic avatars and lip-syncing, so it’s not just a dubbing tool, but a text-to-video engine where you can feed your script, and get a talking head with a dubbed voice in another language.

In 2023, HeyGen reached profitability and surpassed $35 million in annual recurring revenue within a year. The company also raised $60 million in Series A funding led by Benchmark, valuing it at over $500 million. Currently, it operates across multiple locations including Los Angeles, San Francisco, Palo Alto, and Toronto.

Key Features

• Translate and dubs videos into over 70 languages and 175 dialects. Its AI transcribes the original audio, translates it, and then generates dubbed voice-overs that mimic the speaker’s natural intonations and accent.
• Lip-syncs the dubbed audio to match the speaker’s mouth movements, creating an authentic viewing experience. 
• Users can create custom AI avatars that act as digital spokespersons or presenters which can then be personalized with different looks, emotions, and behaviors. HeyGen also offers interactive avatars capable of real-time conversation, which can be used for customer support, sales, coaching, or even replacing users in video calls. 
• The platform allows users to proofread and edit translated scripts, upload voice recordings to train AI on pronunciation, and adjust subtitles or transcripts. It supports multi-speaker videos with automatic speaker detection, enhancing dubbing accuracy. 
• HeyGen supports dubbing videos directly from YouTube URLs to make web-based videos localization more convenient for content creators without downloading files. 

Pros & Who’s It For 

• Dubbing directly from YouTube. 
• Handy duration setting which adjusts the video duration according to the translated version. 
• Best for: Marketing campaigns, corporate communications, internal training, nonprofit storytelling, and viral political speech translations. Corporate training, product walkthroughs, onboarding videos. 

Clients 

HeyGen is largely used by small businesses, solo creators, and enterprises alike, including Klarna, Docusign, Samsung, HubSpot, and even Harvard University.

Ollang 

Ollang specializes in AI-powered dubbing and multimedia localization solutions designed to help content creators and businesses efficiently localize audiovisual content for global audiences. Founded around 2020 and headquartered in San Francisco, Ollang combines advanced artificial intelligence, natural language processing (NLP), and human expertise to deliver high-quality, natural-sounding dubbed videos and subtitle translations in over 100 languages.

Key Features

• Automates the process of speech recognition, translation, and speech synthesis to replace dialogue in videos with different languages while maintaining naturalness and native-like expression. It uses deep learning to analyze audio and visual content to make sure lip-syncing and emotional authenticity in the dubbed output match the original.
• Hybrid dubbing approach combines AI automation for simpler, repetitive dubbing tasks with skilled human studio dubbing artists handling complex, nuanced parts.
• Provides accurate subtitle translation and closed caption services, supporting over 100 languages including right-to-left scripts.
• Offers a unified dashboard where users can upload media or URLs, manage projects, review AI-generated dubs, request revisions, and download final files. The system selects the best AI voices for each project and allows human dubbers to fine-tune the results.
• Integrates multimodal understanding (audio, video, text) and multi-agent systems to continuously self-correct and improve translation and dubbing accuracy, ensuring cultural relevance and emotional expressiveness.
• Emphasizes enterprise-grade security and ethical AI usage, respecting voice artists and translators by augmenting rather than replacing human work.

Pros & Who’s It For 

Ollang is trusted by global businesses and creative teams across industries such as entertainment, education, marketing, and corporate sectors, and its client base includes TV and online streaming channels, production companies, as well as e-learning providers seeking to globalize their content efficiently.

• Ollang combines advanced AI dubbing technology with professional human voice artists and AI dubbing editors who fine-tune the dubbed files and ensure lip-sync accuracy, resulting in natural, high-quality voice-overs. 
• Ollang offers OLabs, a no-code project management platform that streamlines complex localization workflows, allowing users to upload content, select services, manage projects, and review outputs all in one place. 
• Best for: Enterprises and large content teams 

Clients

The platform is currently used by Netflix, Google, YouTube, AstraZeneca, Ford, and many others.

VoiceCheap.ai 

VoiceCheap.ai is an AI-powered video dubbing and translation platform designed to help content creators and businesses easily translate and dub videos into 30 languages within minutes. It offers advanced features such as voice cloning, allowing users to create voice replicas from videos and use their own voice as well as a library of AI-made samples. The platform uses smart AI technology to adapt translated speech to match the cadence and timing of the original speaker, including lip-syncing for a natural viewing experience.

Its AI-driven workflow reduces production time from weeks to hours, making it suitable for YouTubers, marketers, educators, and small to medium-sized businesses.

Key Features

• Supports translation and dubbing in 30 languages, enabling global reach.
• Clone original speakers’ voices or create custom voice clones, plus access to a premium voice library.
• Synchronizes dubbed audio with the speaker’s lip movements for seamless realism.
• Generates multilingual subtitles automatically to improve accessibility.
• Supports dubbing with multiple voices for videos with several speakers.
• Allows importing videos from computers, YouTube, and social media platforms, with upcoming features for direct publishing and scheduling on YouTube.
• Supports team collaboration with up to 10 members.
• Automates video publication and scheduling to optimize audience engagement.
• Separates voice from background sounds for better audio management.
• Offers tiered subscription plans based on usage tokens, with options suitable for beginners to enterprises.
• Designed to be accessible for users of all skill levels.

Pros & Who’s It For

VoiceCheap offers affordable dubbing solutions that are up to 80% cheaper than traditional dubbing services. Besides, it includes background noise removal (powered by LALAL.AI), speech-to-text transcription, text-to-speech capabilities, and flexible token-based pricing. Here are other pros: 

• Users can clone voices from their own videos, use their own voice samples, or select from a large voice library to crate personalized and brand-consistent voice-overs, accurately synchronized with the original speaker’s lip movements and timing.
• VoiceCheap can handle multiple speakers in a video, assigning different voices to each, which is ideal for dialogues or multi-character content and automatically generate subtitles in multiple languages. 
• Best for: solo content creators and small to medium-sized businesses. 

​​Clients 

VoiceCheap is trusted by over 100 creators and companies worldwide, including BIC World, Cloudera, American Eagle, Cornell University, and AppSumo.

Dubpro.ai 

Dubpro.ai combines advanced AI technology with human-in-the-loop quality checks to ensure high-quality, contextually accurate dubbing in multiple languages.

Thanks to a hybrid AI-human dubbing solution, Dubpro.ai balances automation with expert quality assurance to produce professional, contextually accurate multilingual video dubbing. Its precise syncing, custom voice personas, and easy-to-use platform make it a valuable tool for content creators and businesses aiming to expand their audience through localized video content in key languages.

Key Features

• Dubpro offers high-fidelity voice personas in five major languages, allowing dubbed voices to closely match the tone and style of the original content.
• The platform provides precisely synced timestamps up to two decimal places, ensuring that the dubbed audio aligns perfectly with the original video.
• Over 10 quality checks are performed by human experts to guarantee accuracy and naturalness, blending AI efficiency with human oversight.
• Users can import videos directly from YouTube or local files, dub them using AI, send for review, and export the finalized videos, all within an intuitive, user-friendly platform.
• Dubpro’s AI focuses on delivering translations that are contextually appropriate to enhance viewer engagement.
• It is particularly suited for domains like cooking, finance, and technology videos, helping creators increase their reach and revenue by localizing content in five major languages.

Pros & Who’s It For

• High-quality dubbing combining AI and human review.
• User-friendly interface simplifying the dubbing process with direct YouTube video import.
• Best for: solo creators and small to medium-sized companies. 

How LALAL.AI Complements AI Dubbing Workflows

Before you can dub a video, you often need to strip out the original voice, especially if you’re not working from scratch. Some tools already have this feature in them, some don't, so that’s where LALAL.AI becomes useful:

• It removes vocals from a video without damaging the music or ambient sound.
• It preserves background audio to maintain a natural feel after dubbing.
• It's useful for studios handling large volumes of videos at once.

Our Voice Cleaner solution, which is integrated in some of the tools above, including Ollang and VoiceCheap, allows to remove background noise from any recording and get clear, noise-free speech. 

By separating voice from music or sound effects, LALAL.AI lets creators and studios prep content for dubbing more cleanly. It saves hours of audio editing and helps avoid audio overlaps or muffled mixes post-dubbing, just take a look at this copyright-music and sound effects removal demo:

Read also: The Actor’s Gone, the Deadline Isn’t: How Voice Cloner Can Save Your Dubbing Project

Things to Keep in Mind

AI dubbing is fast, but it isn’t perfect. Some tools allow human-in-the-loop review, which might be necessary for polished results. Besides, you should always ensure you have rights to use synthetic voices, especially when cloning voices of real people and be transparent when using synthetic voices in journalistic or educational content.

Wrapping Up

AI dubbing tools are no longer experimental; they’re becoming everyday tools in the production pipeline. While they won’t fully replace traditional dubbing just yet, they already play a practical role in speeding up multilingual content delivery.

Used alongside tools like LALAL.AI for vocal track removal and audio prep, they allow creators and studios to move faster without skipping important steps in the post-production process.

If you’re working on content that needs to speak in more than one language, there’s a good chance AI dubbing can save you time, money, and headaches.

Follow LALAL.AI on Instagram, Facebook, Twitter, TikTok, Reddit, LinkedIn, and YouTube to keep up with all our updates and special offers.