Thousands of Sonix customers convert their Spanish MP4 files to text 
What's the best way to convert Spanish MP4 files to text? 
Use Sonix to convert Spanish MP4 files to text
Follow these six easy steps to quickly and easily convert your Spanish MP4 files to text:
Step 1: Log into your Sonix account
If you don't have one, you can sign up for Sonix's free account—30 minutes of free transcription/translation.
Step 2: Upload your Spanish MP4 file
In Sonix, click “Upload” and locate the Spanish MP4 file on your computer.
Step 3: Choose language: Spanish
Select Spanish in the dropdown that asks 'What language was spoken?.' Then, click the “Transcribe” button.
Step 4: Sonix transcribes your MP4 file
Sonix automatically transcribes your Spanish MP4 file and converts it to Spanish text.
Step 5: Polish your Spanish transcript
Edit your Spanish transcript by typing directly into your browser to correct any words that were not transcribed perfectly.
Step 6: Export Spanish text
Export the Spanish text to any format you want including MS Word, PDF, subtitles, or a simple text file.
All done! You have now successfully converted your Spanish MP4 file to text!
How to improve the accuracy of your Spanish transcripts?
Start by improving the quality of the Spanish MP4 file that you upload to Sonix. Please use high quality recording equipment, recording in a quiet environment, and ensure that your speakers are speaking clearly to ensure that your transcript is as accurate as possible.
Any advice for the Spanish MP4 file that I upload?
Yes, please do not over-compress or over-filter the audio track of your Spanish MP4 file. By uploading a high quality version of your audio, we can give you the best level of accuracy.
Aside from MP4, do you support other types of audio/video files?
Yes, we do! You can convert the following file types in Spanish with Sonix:
What customers say about Sonix's automated transcription 
I found the software to be really fun to use. Sonix makes the painful editing part of transcription enjoyable.
I've tried your service, and I love it.
I am impressed by the almost perfect accuracy of the conversion and the speed by which the transcription was completed. Your web display is also impressive with clear and easy-to-use links.
I loved how accurate you are even in Dutch!
We love transcribing with Sonix. Your interface for subtitle editing is excellent.
Content is still king. Google can’t crawl audio from webinars and videos. Getting that content transcribed with Sonix is an absolute must if you want to drive more leads to your web site.
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Convert Spanish MP4 files to text with Sonix 
Sonix automatically transcribes and translates your audio/video files in 38+ languages. Easily search, edit, and share your media files. Sonix uses advanced transcription and translation algorithms to convert your Spanish MP4 files to text both fast and accurate. Fast, accurate, and affordable. Millions of users from all over the world.
Includes 30 minutes of free transcription