Thousands of Sonix customers convert their Bulgarian MP4 files to text 
What's the best way to convert Bulgarian MP4 files to text? 
Use Sonix to convert Bulgarian MP4 files to text
Follow these six easy steps to quickly and easily convert your Bulgarian 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 Bulgarian MP4 file
In Sonix, click “Upload” and locate the Bulgarian MP4 file on your computer.
Step 3: Choose language: Bulgarian
Select Bulgarian 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 Bulgarian MP4 file and converts it to Bulgarian text.
Step 5: Polish your Bulgarian transcript
Edit your Bulgarian transcript by typing directly into your browser to correct any words that were not transcribed perfectly.
Step 6: Export Bulgarian text
Export the Bulgarian text to any format you want including MS Word, PDF, subtitles, or a simple text file.
All done! You have now successfully converted your Bulgarian MP4 file to text!
How to improve the accuracy of your Bulgarian transcripts?
Start by improving the quality of the Bulgarian 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 Bulgarian MP4 file that I upload?
Yes, please do not over-compress or over-filter the audio track of your Bulgarian 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 Bulgarian with Sonix:
What customers say about Sonix's automated transcription 
I am VERY happy with the transcription! There were a few glitches, but 98% great.
Sonix is by far the best transcription tool I have ever used.
What I was able to do with Sonix was amazing. Transcribed and translated in minutes on remote Guatemalan WiFi!
Sonix is the best transcription program I have worked with.
It was super easy, affordable, and accurate!
I am a video editor and I found you by trying a few services with free trials. Sonix was far, far superior as well as an easy process to trial enroll.
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Convert Bulgarian MP4 files to text with Sonix 
Sonix automatically transcribes and translates your audio/video files in 53+ languages. Easily search, edit, and share your media files. Sonix uses advanced transcription and translation algorithms to convert your Bulgarian 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