Want Spanish subtitles or full Spanish voice dubbing on your MP4?Thanks to AI, this is now ridiculously easy — no language degree, no editing skills, no headaches.
Here's everything you need, clearly broken down
WHAT'S THE DIFFERENCE?
For anyone new 
Subtitles → Spanish text appears on screen, original English audio stays
Voice Dubbing → English audio is replaced with an AI Spanish voice
Best tools → Do both in one upload
OPTION 1 — ADD SPANISH SUBTITLES (Text on Screen)
AI Media Translation, Subtitles & Dubbing Platform | Maestra
Unlock your global audience with Maestra AI: Lightning-fast AI-powered transcripts, subtitles, and multilingual voiceovers in 125+ languages, on demand or in real-time.
Kapwing: Make a Video About Anything
Generate full video projects from a single prompt using Kapwing. Join over 30 million modern creators who trust Kapwing to create, edit, and grow their content on every channel.
www.kapwing.com
Clideo — Online Video Tools
Clideo — the platform that makes it super easy to edit all your video files, images and GIFs. And yes, free.
www.clideo.com
VEED – AI Video Creation Platform | Idea to Video Workflow
Generate and edit in one workflow. Create talking heads, edit with AI, dub videos, and add subtitles — all in VEED. Built for marketers and solopreneurs
AI-Notetaker, Transcription, Subtitles & Translation | HappyScribe
Take notes, transcribe, caption, subtitle & translate audio and video in 150+ languages with AI and Humans. Fast, accurate & free to try.
www.happyscribe.com
OPTION 2 — VOICE DUBBING (Replace Audio with Spanish Voice)
Spanish Dubbing - AI Voice Translation - VEED.IO
Dub your videos in natural-sounding Spanish. Our AI lets you translate in minutes. Create Spanish dubs, add subtitles, and reach more viewers. Free to try.
Vozo AI Video Translator, Dubbing & Lip Sync FREE
Vozo AI-powered video localization offers subtitles, ai dubbing and lip sync for 110+ languages. Expand your reach worldwide. Sign up for a free trial.
www.vozo.ai
Edit-Ready AI Video Editor & Shorts Generator | Shorts Factory
Shorts Factory turns long-form video into publish-ready Shorts with AI captions, dubbing, auto reframe, 4K export, and editable XML/FCPXML workflows.
www.shortsfactory.app
Automatic translation, voice cloning, and lip sync — no manual recording required.
AI Media Translation, Subtitles & Dubbing Platform | Maestra
Unlock your global audience with Maestra AI: Lightning-fast AI-powered transcripts, subtitles, and multilingual voiceovers in 125+ languages, on demand or in real-time.
QUICK COMPARISON
- Best free all‑rounder: https://www.veed.io
- Most complete tool: https://maestra.ai
- Best lip‑sync + dubbing: https://www.vozo.ai
- Subtitles only (fastest): https://www.kapwing.com
- Hardcoded subtitles: https://www.clideo.com
- Voice cloning: https://www.shortsfactory.app
- SRT downloads: https://www.happyscribe.com
HOW TO DO IT WITH AN MP4 (Simplest Method)
Using
VEED – AI Video Creation Platform | Idea to Video Workflow
Generate and edit in one workflow. Create talking heads, edit with AI, dub videos, and add subtitles — all in VEED. Built for marketers and solopreneurs
Go to https://www.veed.io/tools/video-translator
Click Upload File → select your MP4- Set Source: English → Target: Spanish
Let AI translate (1–2 minutes)- Choose Subtitles or Voice Dubbing
Edit any transcript errors
Export and download your Spanish MP4
QUICK PICKS
- Subtitles only (fastest): https://www.kapwing.com
- Dubbing + subtitles + lip sync: https://maestra.ai
Clone your own voice: https://www.shortsfactory.app- Best free MP4 tool: https://www.veed.io
Download SRT files: https://www.happyscribe.com
Burn subtitles into video: https://www.clideo.com
Every tool listed is free to try.
Upload your MP4, pick Spanish, and hit go.
Start with https://www.veed.io or https://maestra.ai — you won't look back.
