Inicio rápido

Esta guía abarca todas las funciones de Synthesia:
- Empezando — Create your account and finish basic setup
- Cómo usar avatares de IA — Pick from 150+ AI avatars or build a personal avatar of yourself
- Cómo usar la función de texto a voz — Turn your script into natural AI voices across 120+ languages and accents
- Cómo usar plantillas personalizables — Start from 250+ pre-designed templates built for training and marketing
- Cómo usar el editor de vídeo con IA — Edit scenes, timing and animations without touching a complicated timeline
- Cómo utilizar la colaboración y el intercambio de información — Share projects, collect timestamped feedback and publish anywhere
- How to Use AI Video Assistant — Turn a topic, prompt or public URL into a finished video draft
- How to Use AI Screen Recorder — Record product walkthroughs and pair them with an AI presenter
- Cómo usar la traducción con un clic — Dub finished videos into 30+ languages with lip-sync that stays frame-accurate
- Cómo usar videos interactivos — Add clickable hotspots, quizzes and branching paths to passive training videos
Tiempo necesario: 5 minutos por función
También en esta guía: Consejos profesionales | Errores comunes | Solución de problemas | Precios | Alternativas
¿Por qué confiar en esta guía?
I started making Synthesia videos months ago and have tested every feature here myself.
This tutorial comes from real projects, not vendor screenshots.

Synthesia is the Vídeo de IA generator most companies land on first.
Pero la mayoría de los usuarios solo exploran superficialmente todo el potencial de la plataforma.
Esta guía le muestra cómo utilizar todas las funciones principales.
Paso a paso, con capturas de pantalla y consejos profesionales.
Tutorial de Synthesia
This How to Use Synthesia tutorial walks through the whole video creation process, from your first account to advanced tricks.

Síntesis
Turn plain texto into studio-quality videos with AI avatars and voiceovers in 140+ languages. No camera, no crew, no waiting on an edit. Start free with three minutes of video per month.
Introducción a Synthesia
Antes de crear nada, finalice esta configuración inicial.
Tarda unos tres minutos.
Here is what my own first week looked like:
Ahora vamos a repasar cada paso.
Paso 1: Crea tu cuenta
Go to the Synthesia website and click Get Started Free.
Introduce tu correo electrónico de trabajo y crea una contraseña.
✓ Control: Comprueba tu bandeja de entrada para el correo electrónico de confirmación.
Paso 2: Abra la aplicación web.
Synthesia runs in the browser, so there is nothing to install.
Log in and the dashboard loads with your recent projects and templates.
Así es como se ve:

✓ Control: You should see the main dashboard and a New Video button.
Step 3: Finish Onboarding
Answer the short setup questions about your team and use case.
Synthesia uses those answers to surface relevant templates on your home page.
Upload your logo and brand colours if you are on a paid plan.
✅ Hecho: Estás listo para usar cualquiera de las funciones a continuación.
Cómo utilizar avatares de IA de Synthesia
Avatares de IA let you put a presenter on screen without hiring one.
Aquí te mostramos cómo usarlo paso a paso.
Step 1: Open the Avatars Tab
Click Avatars in the left panel of the editor.
You get 150+ diverse AI avatars sorted by style, age and setting.
Step 2: Pick a Framing
Choose waist-up shots for intros and chest-up shots for detailed explanations.
Add gestures like head nods or raised eyebrows so the delivery feels less stiff.
Así es como se ve:

✓ Control: The avatar preview sits on your canvas at the framing you chose.
Step 3: Save It to the Scene
Drag your chosen avatar onto the canvas and lock the position.
Repeat for the rest of your scenes to keep one presenter throughout.
✅ Resultado: Your video now has a consistent AI presenter across every scene.
💡 Consejo profesional: A custom personal avatar costs $1,000 per year. Test the stock avatars first before you commit.
Cómo usar la función de conversión de texto a voz de Synthesia
Texto a voz turns your script into speech using AI voces.
Aquí te mostramos cómo usarlo paso a paso.
Paso 1: Pegue su script
Drop your text into the script box under each scene.
Keep every scene focused on one idea so the AI reads it cleanly.
Paso 2: Elige una voz y un idioma.
The speech engine covers 120+ languages and accents.
Match the accent to your audience, not to your own.
Así es como se ve:

✓ Control: El voz name shows under each scene and captions appear in the preview.
Step 3: Add Pauses and Captions
Insert pause tags where you want breathing room in the narration.
Switch on closed captions so viewers can follow without sound.
✅ Resultado: Your voiceovers now sound natural and stay readable for every viewer.
💡 Consejo profesional: Write numbers as words. The text-to-speech engine reads 2026 far better than a bare figure.
Cómo usar las plantillas personalizables de Synthesia
Plantillas personalizables save you from designing videos from scratch.
Aquí te mostramos cómo usarlo paso a paso.
Paso 1: Explora la biblioteca
Open Templates from the dashboard and filter by use case.
There are 250+ pre-designed templates covering training, onboarding and marketing.
Step 2: Swap in Your Content
Replace the placeholder text, images and avatar with your own.
Keep a clear visual hierarchy in each scene so nothing feels crowded.
Así es como se ve:

✓ Control: Your own text and images now sit inside the template layout.
Step 3: Save It as Your Own
Save the edited layout as a reusable template for your team.
Custom assets and brand kits keep every future video on brand.
✅ Resultado: You have a branded template your whole team can reuse in minutes.
💡 Consejo profesional: Build one template per video type. Onboarding, product update and policy videos each need a different rhythm.
Cómo usar el editor de vídeo Synthesia AI
AI Editor de vídeo handles scenes, timing and animations without a timeline.
Aquí te mostramos cómo usarlo paso a paso.
Step 1: Arrange Your Scenes
Each scene is a card, much like a slide in PowerPoint.
That familiar layout is why most people learn the editor in an afternoon.
Step 2: Add Media and Animations
Upload images or clips, then set simple entrance animations.
Adjust background music so the sound never fights the voice.
Así es como se ve:

✓ Control: Your media appears in the scene with the animation you picked.
Step 3: Preview Before You Generate
Hit play on the preview to check pacing and narration.
Fix anything odd, then click generate.
✅ Resultado: You caught the mistakes before spending render time on them.
💡 Consejo profesional: A test render of one scene costs little and tells you far more than a preview will.
Cómo utilizar la colaboración y el intercambio en Synthesia
Colaboración y compartición keeps review cycles inside the platform.
Aquí te mostramos cómo usarlo paso a paso.
Step 1: Open a Space
Synthesia Spaces group your team’s projects in one shared place.
Invite reviewers by email and set edit or comment access.
Step 2: Collect Timestamped Feedback
Reviewers leave comments pinned to the exact second.
You resolve each note as you fix it, so nothing gets lost.
Así es como se ve:

✓ Control: Comments appear in the side panel with a timestamp on each one.
Step 3: Share the Finished Video
Export an MP4 or generate share links for your audience.
Videos also push straight into most LMS apps.
✅ Resultado: Feedback lives next to the video instead of buried in email.
💡 Consejo profesional: Lock the script before you invite reviewers. Comments on a moving script waste everyone’s time.
Cómo usar el asistente de vídeo con IA Synthesia
Vídeo de IA Asistente builds a first draft from almost nothing.
Aquí te mostramos cómo usarlo paso a paso.
Step 1: Give It a Starting Point
Enter a topic, a prompt or a public URL.
The assistant reads it and writes a scene-by-scene script.
Step 2: Review the Draft
Check the generated text against the FOCA framework: focus, outcome, content, action.
A strategic script drives roughly 80% of a video’s success.
Así es como se ve:

✓ Control: A full scene list appears with a script written under each scene.
Step 3: Edit and Approve
Rewrite anything that sounds generic, then approve the draft.
The assistant fills each scene with an avatar, visuals and voice.
✅ Resultado: A blank page became a working draft in under five minutes.
💡 Consejo profesional: Feed it your existing help page URL. The assistant keeps your own wording instead of inventing new claims.
Cómo usar la grabadora de pantalla Synthesia AI
Grabador de pantalla con IA captures product walkthroughs inside Synthesia.
Aquí te mostramos cómo usarlo paso a paso.
Step 1: Start a Recording
Click Record in the media panel and choose a tab or window.
No separate recording tool is needed.
Step 2: Trim the Capture
Cut dead air from the start and end of the clip.
Speed up slow sections so viewers stay with you.
Así es como se ve:

✓ Control: The trimmed clip sits in your media library, ready to drop into a scene.
Step 3: Add a Presenter
Coloca un Avatar de IA beside the recording to narrate what happens.
Match the voice to the rest of your video series.
✅ Resultado: Your how-to video shows the product and explains it at the same time.
💡 Consejo profesional: Record at 1080p in a clean browser profile. Stray bookmarks date your video within weeks.
Cómo usar la traducción con un clic de Synthesia
Traducción con un solo clic reaches global teams without re-recording anything.
Aquí te mostramos cómo usarlo paso a paso.
Step 1: Open a Finished Video
Select any completed video from your project list.
Choose Translate from the options menu.
Paso 2: Elige tus idiomas
AI Dubbing covers 30+ languages with frame-accurate lip-sync.
Select every market you need in one pass.
Así es como se ve:

✓ Control: Each language appears as its own version inside your project list.
Step 3: Check Each Version
Watch a minute of each language before publishing.
Fix any term your glossary should have caught.
✅ Resultado: One English video became a full multi-language training set.
💡 Consejo profesional: Keep sentences short in the source script. Short lines translate cleanly and keep lip-sync tight.
Cómo usar los videos interactivos de Synthesia
Vídeos interactivos turn passive watching into active learning.
Aquí te mostramos cómo usarlo paso a paso.
Step 1: Enable Interactivity
Open the video settings and switch on interactive elements.
This works on training videos and product tours alike.
Step 2: Add Hotspots and Quizzes
Drop clickable hotspots on key parts of the screen.
Add a short quiz to test whether the message landed.
Así es como se ve:

✓ Control: Hotspot and quiz markers show on the scene you edited.
Step 3: Set Branching Paths
Send viewers down different paths based on their answers.
New hires skip what they already know.
✅ Resultado: Your training videos now measure understanding, not just views.
💡 Consejo profesional: Two questions per five minutes is plenty. More than that and completion rates drop fast.
Consejos y atajos de Synthesia Pro
After eight months of daily use, these are the tips I’d hand a new user.

Atajos de teclado
| Acción | Atajo |
|---|---|
| New scene | Ctrl / Cmd + Enter |
| Escena duplicada | Ctrl / Cmd + D |
| Reproducir vista previa | barra espaciadora |
| Deshacer la última edición | Ctrl / Cmd + Z |
Características ocultas que la mayoría de la gente pasa por alto
- Academia Synthesia: free courses on localization and advanced production, with worked examples worth a deep dive.
- Kits de marca: lock fonts, colours and logo placement once so every video matches without manual checks.
- Pronunciation glossary: teach the AI how to say product names, then stop fixing the same word forever.
Errores comunes que debes evitar al usar Synthesia
Mistake #1: Writing the script last
❌ Incorrecto: Picking avatars and templates first, then forcing text to fit the scenes you already built.
✅ Derecha: Write and cut the script first. It decides most of whether the video works.
Mistake #2: Cramming every scene
❌ Incorrecto: Stacking text, charts and animations on one slide until viewers stop following.
✅ Derecha: One idea per scene. Let the AI voice carry detail the screen doesn’t need.
Mistake #3: Skipping the preview
❌ Incorrecto: Clicking generate on a 12-minute video without checking pacing or pronunciation.
✅ Derecha: Preview every scene, then generate. Waiting for a re-render costs more than a two-minute check.
Solución de problemas de Synthesia
Problem: Video generation is stuck
Causa: Long videos queue behind other jobs during busy hours.
Arreglar: Generation normally takes 3 to 20 minutes depending on length. Close the tab and wait for the email. Split anything over 10 minutes into shorter videos.
Problem: The avatar mispronounces your brand name
Causa: The speech engine guesses unfamiliar words from spelling alone.
Arreglar: Add the word to your pronunciation glossary with a phonetic spelling. Regenerate that scene only, not the whole video.
Problem: An uploaded clip won’t play
Causa: The file uses an unsupported codec or exceeds the upload limit.
Arreglar: Re-export as an MP4 with H.264 video and AAC sound, then upload again. Keep single files under the plan limit shown on the upload page.
📌 Nota: If none of these fix your issue, contact Synthesia support.
¿Qué es Synthesia?
Síntesis is an AI video generator that creates studio-quality videos from text.
Think of it as a film crew that lives in a browser tab.
You write, it casts an avatar, records the voice and edits the result.
Companies create videos this way for onboarding, product updates and customer service.
Every video created here can be updated later without re-recording anything.
Mira este breve resumen:
Incluye estas características clave:
- Avatares de IA: Pick from 150+ AI avatars or build a personal avatar of yourself
- Texto a voz: Turn your script into natural AI voices across 120+ languages and accents
- Plantillas personalizables: Start from 250+ pre-designed templates built for training and marketing
- Editor de vídeo con IA: Edit scenes, timing and animations without touching a complicated timeline
- Colaboración y compartición: Share projects, collect timestamped feedback and publish anywhere
- Asistente de vídeo con IA: Turn a topic, prompt or public URL into a finished video draft
- Grabador de pantalla con IA: Record product walkthroughs and pair them with an AI presenter
- Traducción con un clic: Dub finished videos into 30+ languages with lip-sync that stays frame-accurate
- Vídeos interactivos: Add clickable hotspots, quizzes and branching paths to passive training videos
Synthesia is built on AI ethics and seguridad. It is SOC 2 and GDPR compliant, and a Trust and Safety team reviews content with both human and AI moderation.
Non-consensual clones of celebrities or political figures are blocked, and explicit consent is required before any likeness is used.
The technology does not suit every job. High-impact presentaciones still need a real person on camera.
Para una revisión completa, consulte nuestra Reseña de Synthesia.

Precios de Synthesia
Esto es lo que costará Synthesia en 2026:
| Plan | Precio | Mejor para |
|---|---|---|
| Motor de arranque | $18/mes | Solo creators testing regular video creation |
| Creador | $64/mes | Marketers and trainers publishing weekly |
| Empresa | Precios personalizados | Companies needing brand kits and security reviews |
Prueba gratuita: Yes. A free plan gives you three minutes of video per month, six stock avatars and every AI voice.
Garantía de devolución de dinero: No refund window is published, so test on the free plan first.

💰 Mejor relación calidad-precio: Creator — brand kits, more video minutes and the editing control most teams end up needing.
One note on cost: a custom AI avatar is $1,000 per year, more than the subscription itself. Most businesses still come out ahead against filmed production.
Synthesia frente a alternativas
¿Cómo se compara Synthesia? Este es el panorama competitivo:
| Herramienta | Mejor para | Precio | Clasificación |
|---|---|---|---|
| Síntesis | Training and internal communications | $18/mes | ⭐ 4.6 |
| HeyGen | Social clips | $29/mes | ⭐ 4.5 |
| Colossyan | Equipos de aprendizaje | $27/mes | ⭐ 4.4 |
| Veed | Editing real footage | $19/mes | ⭐ 4.3 |
| Elai | Slides to video | $23/mes | ⭐ 4.2 |
| Vidnoz | Budget testing | $17/mes | ⭐ 4.0 |
| Cerebro profundo | Seguridad empresarial | $24/mes | ⭐ 4.2 |
| HIZO | Desarrolladores | $18/mes | ⭐ 4.1 |
Selecciones rápidas:
- Mejor en general: Synthesia — the widest language support and the cleanest editing experience.
- Mejor presupuesto: Vidnoz — free daily credits let you learn AI video at no cost.
- Ideal para principiantes: En vídeo — prompt-to-video with stock footage and no avatar setup.
- Ideal para vídeos de formación: Colossyan — branching scenarios built for learning teams.
🎯 Alternativas a Synthesia
¿Buscas alternativas a Synthesia? Aquí tienes las mejores opciones:
- 🚀 HolaGen: Faster avatar video generation with sharper lip-sync. Better for short social clips than long internal training modules.
- 🧠 Colosenses: Built for learning teams. Branching scenarios and two-avatar conversations make compliance training feel less flat.
- 🎨 Veed: A browser video editor first, AI avatars second. Best if you also cut real footage and add subtitles.
- ⚡ Elai: Turns slide decks and blog links into narrated videos quickly. Light interface with a small learning curve.
- 💰 Vidnoz: The cheapest way to test AI video. Daily free credits, though the avatars look noticeably less polished.
- 🔒 Cerebro profundo: Enterprise avatars with tight security controls. Popular with news desks and finance teams.
- 🎯 Síntesis: Wide AI voice library with commercial rights included. Strong for voiceovers on existing footage.
- 🏢 Hora uno: Studio-quality presenters aimed at corporate communications teams producing videos at scale.
- 🔧 HIZO: Developer-friendly API that animates a single photo into a talking head. Good for personalised superar a.
- ⭐ Virbo: Wondershare’s lightweight avatar tool. Aimed at e-commerce clips and quick product explainers.
- 📊 Vidyard: Video hosting and sales outreach with analytics, plus AI avatars for prospecting messages.
- 💼 Fliki: Text-to-video with strong AI voices. Turns blog posts and scripts into narrated clips fast.
- 🔥 Perorar: Voice-first tool for turning text into speech. Useful when you only need narration, not video.
- 👶 En vídeo: Prompt-to-video using stock footage instead of avatars. Friendly for beginners making marketing videos.
- 🌟 Creatify: Ad-focused generator that spins product ad variations straight from a store URL.
- 🎬 Subtítulos AI: Mobile-first editing and AI presenters. Great for creators working entirely from a phone.
Para ver la lista completa, consulte nuestra Alternativas a Synthesia guía.
⚔️ Comparación de Synthesia
Así es como Synthesia se compara con cada competidor:
- Synthesia frente a HeyGen: HeyGen wins on avatar realism and speed. Synthesia wins on team controls, translation depth and enterprise security.
- Synthesia contra Colossyan: Colossyan has richer scenario branching. Synthesia has more avatars, more languages and a far bigger template library.
- Synthesia frente a Veed: Veed is better for editing filmed video. Synthesia is better when the avatar is the whole video.
- Synthesia contra Elai: Elai converts decks faster. Synthesia produces cleaner output and gives you far more voice and avatar control.
- Synthesia frente a Vidnoz: Vidnoz costs less on paper. Synthesia looks professional enough to put in front of customers and new hires.
- Synthesia frente a Deepbrain: Deepbrain matches Synthesia on security. Synthesia is easier to learn and ships new features much faster.
- Synthesia frente a Synthesys: Synthesys is voice-led. Synthesia gives you the full video creation process, not just the speech layer.
- Synthesia vs Hora Uno: Hour One has polished presenters. Synthesia has better editing, translation and collaboration for everyday projects.
- Synthesia frente a D-ID: D-ID is an API play. Synthesia is a full platform your non-technical teammates can actually use.
- Synthesia frente a Virbo: Virbo is cheaper and simpler. Synthesia handles long-form training videos that Virbo was never built for.
- Synthesia frente a Vidyard: Vidyard wins on hosting and tracking. Synthesia wins on the actual video generation quality.
- Synthesia frente a Fliki: Fliki is cheaper for stock-footage videos. Synthesia is the pick when you need a human presenter.
- Synthesia frente a Speechify: Speechify only handles voice. Synthesia adds avatars, scenes, captions and translation on top of that.
- Synthesia vs. InVideo: InVideo suits ads and social. Synthesia suits training videos where a presenter explains something on camera.
- Synthesia frente a Creatify: Creatify is built for paid ads. Synthesia is built for internal communications, onboarding and customer education.
- Synthesia vs. IA de subtítulos: Captions AI is made for a YouTube channel workflow. Synthesia is made for companies training staff.
Empiece a usar Synthesia ahora.
Aprendiste a usar todas las funciones principales de Synthesia:
- ✅ Avatares de IA
- ✅ Conversión de texto a voz
- ✅ Plantillas personalizables
- ✅ Editor de vídeo con IA
- ✅ Colaboración y compartición
- ✅ Asistente de vídeo con IA
- ✅ Grabador de pantalla con IA
- ✅ Traducción con 1 clic
- ✅ Vídeos interactivos
Siguiente paso: Elige una función y pruébala ahora.
La mayoría de la gente empieza con avatares de IA.
Tarda menos de cinco minutos.
Preguntas frecuentes
¿Cómo se utiliza Synthesia?
Create a free account, pick a template, paste your script, choose an AI avatar and voice, then click generate. Your video renders in a few minutes.
¿Cómo usar Synthesia AI gratis?
The free plan gives you three minutes of video per month, six stock avatars and the full range of AI voices. No card is needed to test it.
How do I put a song into Synthesia?
Eso pregunta usually means the piano app, not the AI video generator. In Synthesia AI you add background music from the media panel inside the editor.
¿Cómo puedo añadir un vídeo a Synthesia?
Open a scene, click Upload in the media library, then drop in your MP4. You can also record clips directly with the built-in AI screen recorder.
¿Cómo funciona la IA de Synthesia?
You write text, Synthesia turns it into speech with AI voices, then animates a chosen avatar to match. Scenes, animations and captions are added in the editor.













