AI Face Swap for Video.
Record Once. Become Anyone.
Change your face. Change your clothes. Rewrite what you said after you said it. Add random objects. Speak languages you’ve never learned — in your own voice. Feed in any video — yours, a UGC clip, an AI avatar, someone else’s footage — and transform it into an infinite library of wild, polished, ready-to-post content.
Yes, that transformation is real. Filmed once. No reshoot.
Try Recast Now- No green screen
- Any video source works
- Edit speech after recording
- Ready in minutes
- Zero VFX skills needed
Trusted by global enterprise teams
Face Swap Any Video
Into Literally Anything.
Webcam clip, customer UGC, a stock avatar, even footage you didn't shoot. The source doesn't matter. Recast can swap the face, the character, the outfit, the background, the script. Here's what you can turn it into.
Traditional Production Was Painful.
AI Face Swap Made It Effortless.
Expensive. Slow. Inflexible. The old production pipeline can't keep up with how fast modern brands need to ship.
The Old Way
- —Three hours on wardrobe and lighting. The brand still didn't like the look.
- —$5,000 on one video. Four reshoots when the deck pivoted.
- —Said the wrong product name in an otherwise perfect take. Start over.
- —Six weeks for a single localised version of one ad. Per market.
- —A dubbed version that sounded like 2003 satnav.
- —Test a different presenter? Another $3K. Another scheduling call.
- —Needed a product in frame that hadn't shipped yet. Wait for inventory.
- —Found a perfect UGC clip. Couldn't use it because the creator was off-brand.
The New Way
- +Record in your hoodie. Recast handles the wardrobe.
- +One take. 50 variations. No re-record.
- +Said the wrong year? Edit the text. The AI re-speaks it with matched lip movement.
- +Translate into 150 languages with AI lip sync in minutes.
- +Your cloned voice. Indistinguishable from the original.
- +Want a different AI presenter? Swap them in. Same video, new face.
- +Product not here yet? Drop a 3D version into the shot.
- +Feed in any video, UGC, AI avatar, or stock clip. Recast the rest.
Your New Favourite Playground
A fraction of what teams are already shipping with Synthesys Recast.
Become Anyone, Anywhere
Talk about quarterly numbers as yourself. Ship it as a different AI presenter. Same performance, new face.
Rewrite Reality
Said "we're excited to announce" when the brief is "thrilled to reveal"? Edit the text. The AI re-speaks it. Lips track.
Transform Any Video
Not just webcam footage. Drop in a UGC clip, an AI avatar, or a testimonial. Recast the presenter, swap clothes, swap language.
Supercharge AI Avatars
AI-generated avatar videos can feel robotic. Recast the face, fix the script, change the wardrobe. They become usable.
Go Global in Minutes
One Recast video. 30 countries. Each version sounds native, with AI lip sync that actually matches the new language. 150+ supported.
Showcase Pre-Release Products
Drop unreleased SKUs into a presenter's hand. Build hype before the factory ships.
Fix Flubs Without Reshooting
Mispronounced a client's name? Quoted the wrong price? Edit the speech text and regenerate. Under a minute.
A/B Test Different Faces
Same pitch, different presenters. Find out which face your audience trusts most. Without hiring anyone.
Use Cases for Every Brand
Face swap, character swap, background swap, outfit swap, face replacement, reface and refacing. Meme face swap, gender face swap, celebrity face swap (rights-cleared only), movie role face swap, face swap on paintings. All in one tool.
“One UGC clip. Rewrote the script. Translated into 8 languages. Recast the presenter. Changed the outfit. We got 96 unique ad creatives from one recording. Ad ROI tripled.”
— Performance marketing lead, e-commerce brand
The Features Behind the Face Swap.
Face swap is the headline. Character swap, outfit swap, background swap, voice cloning, and AI lip sync are the rest. Recast ties them together. One source clip becomes a full library.
🎭Video Face Swap That Looks Real
Record once. Recast maps a different AI presenter onto your performance. Body language, gestures, gaze, lighting all stay. The identity changes. The take stays.
🎨Turn Anyone Into 3D, Anime, or Cartoon
Why stop at swap faces? Recast does full character swap too. Pixar-style 3D. Anime. Comic illustration. Claymation. Watercolour. Same performance, new character. Same delivery, new universe.
👗1-Click Outfit Changes
Shot the perfect take in a hoodie? One-click outfit swap. Tailored blazer, streetwear, high fashion, full suit. Cloth swap works on the original recording or on a Recast presenter.
🎁Dynamic Object Insertion
Drop any object into the scene by describing it in the Target Character prompt. On the desk. In the presenter's hands. In the background. The AI adds it as it builds the character and matches lighting and perspective so it looks like it was always there.
🌐Translation with AI Lip Sync
Real, per-frame AI lip sync. The model translates the script into 150+ languages, generates audio in the cloned voice, and rebuilds the presenter's mouth so it genuinely looks native. It holds up on paid placements.
🎤Your Voice, Everywhere
The voice engine analyses pitch, cadence, breath, and emotion. Then recreates that voice in any language. Pair it with a Recast presenter and one talking head ships across every market. No re-recording.
📝Edit What You Said — After You Said It
Record a take. Realise a line landed wrong. Instead of reshooting, edit the voice script. The AI takes the new text, speaks it in the cloned voice, and regenerates lip movement per frame. Edit Voice Script works on clips up to 20 seconds and applies on Recast outputs just the same.
🎬Multi-Element Change Person
Until now, Recast worked best on clean single-face videos. Coming soon: drop in any scene. People alongside products. Hands. Backgrounds. Multiple subjects. The AI swaps only the person. Everything else in frame stays.
Here Are Some Face Swap Examples
Real video face swap output rendered with Recast. No green screen. No VFX. No reshoots.
Face Swap a Video in Three Steps.
Upload a source. Choose a target face. The AI does the rest. No timeline scrubbing, no masking, no VFX skills.
Upload your source
Any video or image works. Webcam clip, UGC, an AI avatar, a customer testimonial, stock footage. Recast accepts all of them.
Pick a target face
Upload a Target Character, generate one from a text prompt, or pick from the Synthesys library of licensed AI presenters. Confirm and Generate runs the swap.
Refine, translate, export
Edit the voice script. Swap the outfit. Translate into 150+ languages with AI lip sync. Drop in products via the Target Character prompt. Then export full-quality, ready for paid ads and broadcast.
See Recast on Your Own Video.
Upload a Source Video, pick a Target Character, hit Confirm & Generate. Most renders finish in around 5 minutes.
Try Recast on Your VideoBuilt for Teams That Ship Video Daily.
Recast stops being a novelty the moment it's wired into a real production workflow. These are the teams already running it.
Content Creators & YouTubers
Shoot one talking-head video. Or pull any clip from camera roll. Spin it into 10 pieces with different AI presenters, outfits, scripts, and platforms.
Global Brands & Marketers
Run the same winning ad in 15 countries. Native language, AI lip sync, culturally matched presenters, locally tailored scripts. From one master cut.
E-Commerce Operators
New SKU? Recast the existing promo videos and drop in the product. Price changed? Edit the speech instead of reshooting.
Agencies & Freelancers
Take client footage, UGC, or AI-generated video. Use Recast for full video transformation: presenter, wardrobe, language. Production work without expanding the team.
AI Avatar & UGC Power Users
Already running AI avatars or collecting UGC? Recast is the multiplier. Every video becomes a template for a hundred more. Video remix without the production overhead.
Coaches, Educators & Course Creators
Record a lesson once. Recast it, fix flubs, translate it with AI lip sync. Every module ships to international students.
Why Use Synthesys AI Studio’s Faceswap?
Synthesys has been building AI video infrastructure since 2020. Over 1,000,000 videos rendered. 50,000+ active users. The production studio is wrapped around the Recast swap engine: face swap, character swap, background swap, outfit swap.
Faceswap, voice cloning, AI lip sync, translation, outfit change, and object insertion all work on the same clip in the same dashboard. One subscription. Every tool. Full commercial rights.
Affordable Solution
Traditional video face swap or VFX work costs thousands per minute of finished footage. Recast starts at cents per minute. Full commercial rights on every plan.
Time-Saving
Reshooting one scene takes a full studio day. A Recast render finishes in under five minutes. The same clip can be recast, outfit-changed, and translated into 10 languages in an afternoon.
Realistic Face Swaps
The AI matches skin tone, lighting, shadow direction, and micro-expressions to the source frame. Eye movement, blinks, AI lip sync, and jawline detail track with the original. Most viewers don't realise it's AI.
Hyper-Personalisation
Recast a single piece of source footage into dozens of audience-specific variations. Different AI presenters per segment. Different outfits, scripts, languages. All from one recording session.
No Actors Usage Rights
Every Recast output ships with full commercial rights. No royalties. No per-channel licensing. No usage windows. Use the video in paid ads, on broadcast, on client work, for as long as you need.
What Teams Are Saying
"Their AI models are incredibly advanced — so realistic it's almost impossible to tell they're AI-generated. The quality has consistently improved."
Dr Yara Loua
Healthcare Professional · Verified Trustpilot Review
"I rely heavily on Synthesys to help me stay ahead with marketing across my three businesses. It handles everything I used to outsource."
Randy Cole
Business Owner · Verified Trustpilot Review
"My clients can't tell they're not real people — the lip-sync is spot on. It's become a core part of how we deliver client presentations."
Jexter N
Agency Professional · Verified Trustpilot Review
"The AI-powered features are game-changers — the auto-generated scripts and voiceovers save me so much time."
Michael Mubi
Marketing Manager · Verified Trustpilot Review
"I can clone myself and my voice, then easily create a lot of short clips without re-filming or redoing anything. Massive time saver."
Thomas
Content Creator · Verified Trustpilot Review
"Created a welcome video and 3 course videos in one sitting. The software made the whole process flawless — I'm hooked."
Bonnie Williams
Course Creator · Verified Trustpilot Review
"My avatar can easily translate my message into many other languages. It does a great job reaching audiences I couldn't before."
Joseph Wood
International Marketer · Verified Trustpilot Review
"The AI voice generator is great for creating videos at work. Their AI image and video editors make everything seem more professional and polished!"
Bruna Duarte
E-commerce Brand Owner · Verified Trustpilot Review
Have questions? We have answers.
Find everything you need to know about getting started, managing your account, and creating professional AI videos.
What is Recast and how is it different from a basic face swap tool?
Recast is Synthesys' AI face swap engine, wrapped inside a full video production studio. Most face swap tools stop after replacing a face. Recast hands the same clip to voice cloning, AI lip sync, outfit change, object insertion, and 150+ language translation in the same session. One source recording becomes a localised, brand-safe, multi-variant ad library without ever exporting. Recast is purpose-built for video face swap and broader swap workflows (character, outfit, background) rather than a single feature.
How does the Synthesys AI face swap work?
Upload a source video or image and a target character. The AI does the rest. Facial mapping reads micro-expressions, head angles, lighting, and skin tone from the source, then blends the target identity onto the body per frame. Body language, gestures, and timing stay. Only the face changes. Most renders finish in around 5 minutes. You can iterate with different target faces on the same source clip without re-uploading. No green screen. No tracking markers. No VFX skills.
Can I face swap in videos, not just photos?
Yes. Video face swap is the core capability. Upload any clip: webcam footage, UGC, an AI avatar, stock footage, or third-party footage you have rights to. Recast replaces the face across every frame. Lighting, head turns, expressions, and lip movements carry over. Recast also handles videos with multiple scenes — different shots, different angles, the same actor in each — and recasts the actor across every scene in one job, not just front-facing talking-head frames. Static image swap works the same way: upload a photo, pick a target face, get a realistic result in seconds.
What can Recast swap besides faces?
Quite a lot. Recast is a swap engine, not just a face swap tool. It handles character swap (turn a real presenter into a 3D, anime, or stylised character), background swap (change the setting behind the presenter), outfit swap and cloth swap (change wardrobe in one click), voice cloning (your voice in any language), AI lip sync, and script rewriting after recording. Object drop puts new products into the scene — you describe what you want in the Target Character prompt and the AI adds it. All of it runs on the same source clip, in the same dashboard. Face swap is the marquee feature. The rest is what turns one recording into a full library of ad creative.
How secure is the Synthesys Faceswap feature?
Uploads are encrypted and processed in isolated render environments. Synthesys AI Studio never uses your source or target images to train public models. You retain full ownership of every Recast output, and source files are removed from our servers per the privacy policy. Agencies and enterprise teams handling sensitive client footage can request dedicated workspaces and additional retention controls.
Are there any legal concerns with using face swap?
No, when used correctly — and the rules are simple. You must have explicit consent from any person whose face or likeness you upload as a source video, target image, or target character. That means: yourself, talent or actors you've licensed with signed release forms, models who have given written permission, or imagery in the public domain. By uploading any face, you're confirming to Synthesys that you hold those rights. Synthesys terms of service prohibit non-consensual content, impersonation, fraud, defamation, deepfake content of public figures without authorisation, and any material that violates someone's publicity or privacy rights. Accounts found in violation are terminated and content is removed. Beyond those rules, Recast is a standard production tool. Agencies use it for client work, marketers use it for ad localisation, creators use it to scale content. The technology is legal. The responsibility for what you upload is yours. Report concerns or unauthorised content to support@synthesys.io. Synthesys cooperates with platform takedown requests and law enforcement where required.
Can I use Synthesys face swap for commercial purposes?
Yes. Every plan includes full commercial rights on Recast outputs, as long as you hold the rights to the source material and target faces. Use the videos in paid ads on Meta, TikTok, YouTube, broadcast TV, streaming placements, product launches, client deliverables, and training materials. No royalties. No attribution. No per-video licensing fees. The licence is perpetual. Videos you generate today are yours to distribute indefinitely.
How realistic are the face swap results?
Most viewers don't realise it's AI. The AI matches skin tone, lighting direction, and shadow detail to the source frame, then refines AI lip sync so dialogue stays natural. Eye movement, blinks, micro-expressions, and jawline shadows track with the original performance. Quality keeps improving as new models are integrated. Recast automatically applies the latest model to every new render. No manual upgrade step.
Can I edit what someone said in the video after the face swap?
Yes. The Edit Voice Script feature changes spoken text on a Recast clip and the AI regenerates the audio in the existing cloned voice with matched AI lip sync. Voice script editing is limited to clips up to 20 seconds. You can swap the face, fix a flubbed line, change the wardrobe, and translate the script on the same source footage. No re-recording. Especially useful for ad creatives where you want to test 10 hook variations with the same AI presenter.
What kinds of face swaps and other swaps does Recast handle?
Recast handles face swap on photos and videos, including multi-scene videos that follow the same actor across different shots. On top of that: character swap (3D, anime, stylised), background swap, outfit and cloth swap, voice cloning with AI lip sync in 150+ languages, and object drop via the Target Character prompt. Common face swap use cases people run on Recast: meme face swap, gender face swap, celebrity face swap (only with rights you hold), movie-role face swap, and face swap on paintings or stylised portraits. See the examples above for real outputs.
How long can the face swap video be?
30 seconds per video on standard Recast renders. The 30-second cap is the hard limit for a single source clip. Voice script editing (rewriting what the speaker says after the fact) is further constrained to clips up to 20 seconds. For longer formats, run multiple Recast jobs and stitch the outputs together. Render time scales with length and complexity, with most clips finishing in around 5 minutes.
What advantages does Synthesys offer over other face swap tools?
Synthesys has been building AI video infrastructure since 2020 and has rendered over 1,000,000 videos for 50,000+ users. Recast sits inside a full production studio. Voice cloning, AI lip sync in 150+ languages, voice script editing, outfit changer, character swap, background swap, and object drop all work on the same clip without exporting between tools. Other face swap tools stop at the swap. Synthesys lets you produce the finished, multi-language, brand-ready video in one session. Full commercial rights on every plan. A mature support and refund policy.
Do I need any video editing or VFX skills?
No. The interface is drag-and-drop. Upload your Source Video, upload your Target Character (or grab a still from the video), optionally edit the voice script and configure Audio & Sync Settings, then click Confirm & Generate. No keyframing. No masking. No tracking markers. No green screen. If you can use a web app, you can use Recast.
How does Synthesys ensure high-quality face swap results?
Two ways. Continuous evaluation benchmarks every new model against existing renders for likeness retention, AI lip sync, lighting consistency, and artifact reduction before it goes live. Recast automatically applies the latest available model to every render. The result is output that holds up under paid advertising and broadcast distribution scrutiny.
Stop Recording. Start Recasting.
One source clip. A full library of ready-to-post face swap videos. Spin up your first Recast in minutes.
Start Recasting Now