Thousands of Sonix customers convert their Chinese (Cantonese) WEBM files to text 
What's the best way to convert Chinese (Cantonese) WEBM files to text? 
Use Sonix to convert Chinese (Cantonese) WEBM files to text
Follow these six easy steps to quickly and easily convert your Chinese (Cantonese) WEBM 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 Chinese (Cantonese) WEBM file
In Sonix, click “Upload” and locate the Chinese (Cantonese) WEBM file on your computer.
Step 3: Choose language: Chinese (Cantonese)
Select Chinese (Cantonese) in the dropdown that asks 'What language was spoken?.' Then, click the “Transcribe” button.
Step 4: Sonix transcribes your WEBM file
Sonix automatically transcribes your Chinese (Cantonese) WEBM file and converts it to Chinese (Cantonese) text.
Step 5: Polish your Chinese (Cantonese) transcript
Edit your Chinese (Cantonese) transcript by typing directly into your browser to correct any words that were not transcribed perfectly.
Step 6: Export Chinese (Cantonese) text
Export the Chinese (Cantonese) text to any format you want including MS Word, PDF, subtitles, or a simple text file.
All done! You have now successfully converted your Chinese (Cantonese) WEBM file to text!
How to improve the accuracy of your Chinese (Cantonese) transcripts?
Start by improving the quality of the Chinese (Cantonese) WEBM 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 Chinese (Cantonese) WEBM file that I upload?
Yes, please do not over-compress or over-filter the audio track of your Chinese (Cantonese) WEBM file. By uploading a high quality version of your audio, we can give you the best level of accuracy.
Aside from WEBM, do you support other types of audio/video files?
Yes, we do! You can convert the following file types in Chinese (Cantonese) with Sonix:
What customers say about Sonix's automated transcription 
Your product is incredible. I love it!
Very high accuracy transcription with noisy tapes / accents. The ability to edit as you listen is incredible. I haven't been impressed with code to this extent since the release of google maps.
Very impressed of your product. The general concept is ingenious for the task to be accomplished and the implementation is impressive. Your product gives great satisfaction.
Sonix is the best transcription program I've ever used. It was almost error-free. I wish I could have used it longer!
Sonix is quick and easy to use! It's efficient and transcriptions were very close to perfect - only a little editing needed!!
I am very happy with the quality of the transcriptions! Having tried numerous other services, none can compare based on the quality for the value.
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Convert Chinese (Cantonese) WEBM 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 Chinese (Cantonese) WEBM 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