500,000+ customers use Sonix to create video closed captions 
What's the easiest way to create English closed captions? 
Creating captions in English is easy
Follow these 5 easy steps to quickly create closed captions in English:
Open your Sonix account
Create a new free Sonix trial account—if you don't already have an account. All free trial accounts come with 30 minutes of free transcription/translation.
Upload your video
In Sonix, click “Upload” and locate the video you want to create English closed captions.
Automatically transcribe with Sonix
Select the spoken language in the video file and click the “Transcribe” button.
Edit English captions
You’ll receive your transcript in just a few minutes based on the length of the video file. From there, use Sonix's browser-based editor to polish, translate, and edit the closed captions to suit your formatting needs.
Export English closed captions
Simply click the “Export” button and choose your preferred closed caption format Subrip subtitles or WebVTT in English.
All done! Just check your My Downloads folder on your computer for your English closed captions file. Wasn't that fast?
How to improve your videos with English captions
Including captions in your videos is an inexpensive and easy way to access more people. People with hearing disabilities, those where English is a second language, and also the increasing number of viewers that are watching your videos with the sound off.
What is the best way to translate my video to English captions?
Start by uploading your video file to Sonix. Sonix’s industry-leading audio transcription algorithms will automatically convert it to text for you. Then, after you've polished it up and translated it with our advanced language models, you can just export the closed caption file.
I have a specific video file format, can I still create English closed captions?
Yes, we can help you. We accept a lot of video file formats including the popular *.avi and *.wmv formats. Here's how Sonix can help you convert these videos to closed captions:
Make English closed captions with Sonix 
Sonix automatically transcribes and translates your audio/video files in 49+ languages. Easily search, edit, and share your media files. Sonix uses advanced transcription and translation algorithms to make your English closed caption creation process fast, easy and fun. Fast, accurate, and affordable. Millions of users from all over the world.
Includes 30 minutes of free transcription
