Convert RM to VTT

Sonix transcribes your RM file and exports it as WebVTT captions perfect for HTML5 video and web platforms.

HTML5 ready
5-min turnaround
Web compatible
Audio
Video
DOCX
SRT/VTT
PDF
53+ Languages
About This Format

Understanding RM files

What is a RM file?

RealMedia streaming format (legacy)

RM files are multimedia files made specifically for the audio/video playback and streaming program called RealPlayer. Mostly, files with the .rm file extension are used for streaming content over the Internet (video and internet radio). RM files were developed by RealNetworks as a multimedia container optimized for internet streaming. Most RM files are played with RealPlayer, but other media players such as VLC do have partial support for RM files.

Common Uses

  • Legacy streaming content
  • Internet radio archives

Audio Quality

Legacy format with variable quality

Transcription Tips for RM

  • Older format - quality may vary
  • Convert to modern format if possible

Where RM Files Come From

  • RealPlayer archives
  • Legacy streaming sites
10x
Faster than real-time
Get your RM VTT in minutes
99%
Accuracy rate
Industry-leading AI for RM files
53+
Languages
Captions in any language
30+
Export formats
VTT, SRT, text, and more
How It Works

Convert RM to VTT in 6 steps

Step 1

Create account

Sign up for Sonix's free trial. Includes 30 minutes free.

Step 2

Upload file

Upload your RM file from your computer or cloud storage.

Step 3

Select language

Choose from 53+ languages spoken in your file.

Step 4

Auto-transcribe

Sonix AI transcribes and timestamps your RM audio.

Step 5

Edit captions

Fine-tune caption timing and text with our editor.

Step 6

Export VTT

Download your RM captions as a WebVTT file.

Common Questions

Everything about RM to VTT

Can you convert RM to VTT captions?

Yes! Sonix transcribes your RM file with precise timestamps and exports it as WebVTT captions for web video.

What is a VTT file?

WebVTT (Web Video Text Tracks) is the native caption format for HTML5 video. It's supported by all modern browsers and video platforms.

VTT vs SRT - which should I use?

Use VTT for web video (HTML5) and SRT for video editors. VTT supports advanced styling like colors and positioning.

Does VTT support styling?

Yes! VTT supports CSS styling for colors, fonts, positioning, and more. Customize how your captions appear on screen.

Is VTT compatible with browsers?

VTT is supported by Chrome, Firefox, Safari, Edge, and all modern browsers. It's the web standard for video captions.

Can I use VTT with video.js?

Absolutely! VTT works seamlessly with video.js, Plyr, JW Player, and other HTML5 video players.

Why Sonix

Web-ready VTT from RM files

HTML5 Native

VTT is the web standard for captions, supported by all modern browsers.

Styleable

Apply CSS styling for colors, fonts, positioning, and more.

Precise Timing

Word-level timestamps ensure perfect sync with your video.

Universal Support

Works with all HTML5 video players and web platforms.

Related

More ways to convert RM files

Other RM conversions

RM to Text

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Add Subtitles to RM

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Other file formats

MPE to text
FLV to text
QT to text
OGX to text
M4V to text
WEBM to text
OGV to text
AVI to text
MXF to text
MPG to text
See all supported file formats
Reviews

Trusted by web developers

4.98 rating from 211 reviews

I love how quick, affordable and accurate it is, but what I like MOST is that the words are highlighted as the recording speaks them!
AT
Alex T.
Knoxville, Tennessee
I was especially impressed with the quality when it comes to other accents as most other companies can only give a good machine transcript if it is a US accent. Sonix is amazing and I have nothing but good things to say. Thank you for providing this service!
PS
Preethi S.
Hyderabad, India
AMAZING!! Seamless. Quick. Very accurate. Easy to use. Time stitching. The ease of assigning speakers to paragraphs and making new paragraphs are all amazing!
ND
Nicola D.
Johannesburg, South Africa
I've tried your service, and I love it.
ES
Enrico S.
Cassano D'Adda, Italy
The speech to text was fast and very accurate.
JG
Janine G.
Cape Town, South Africa
I tried 4 other services, and Sonix is the easiest to use, most accurate, and more reasonably priced for the quality.
MJ
Melissa J.
Prague, Czechia
Great website. Love the drag & drop option. Very accurate too!
BS
Brad S.
Barnegat, NJ USA
Fantastic product and service. Fast, great quality transcript, great online editing facility. Whole experience was easy and problem free.
SL
Sonia L.
Perth, Australia
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