Consistent volume
Reduce annoying volume differences between video files and make your media easier to edit, organize and watch.
Windows app · Audio normalization · Video preserved
Norma
Audio normalization for creators, viewers and media libraries.
Fix the audio. Keep the video untouched.
Norma adjusts the audio in your video files while copying the original video stream untouched. Embedded metadata and cover art are preserved whenever they are present in supported MP4 files.
Free to start. Pay once for Full. No subscription.
Low audio correction
Improve videos with audio that is too quiet without manually adjusting volume every time.
Video stream untouched
Norma does not re-encode your video stream. The original video is copied untouched into the processed file.
For creators and editors
Normalize once. Edit or watch comfortably.
When different recordings have different loudness levels, editing and reviewing becomes tiring. Norma helps bring audio levels closer to a consistent reference, so you can focus on the content instead of fighting volume changes.
For viewers
Stop riding the volume slider.
Some videos are too quiet. Others suddenly become much louder. Norma helps reduce those differences so your local video collection feels more comfortable to watch.
For media libraries
Make your files easier to live with.
Norma is designed for file-based workflows. It supports common video containers such as MP4, MKV and MOV, including MP4 files with H.264 or H.265 video streams.
Free and Full
Start free. Upgrade when you need speed.
Norma can be used for individual files. Norma Full unlocks productivity features for larger workflows and repeated use.
Norma Free
For individual files
- Normalize one video file at a time.
- Use Norma directly from the app.
- Original video stream copied untouched.
- No folder batch processing.
- No recursive subfolder processing.
Norma Full
Pay once. No subscription.
- Process all compatible videos in a folder.
- Process folders and subfolders recursively.
- Open compatible video files directly from Windows.
- Use batch processing for larger media collections.
- Lifetime license for the current major version.
How Norma handles files
Safe file flow, clear result.
- Norma reads the original file. The video stream is kept intact and copied untouched.
- A new processed file is created. The normalized result receives the original file name.
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The original file is renamed.
After successful processing, the original file is renamed using a
.donesuffix before the original extension, such as.done.mp4.
Technical reference
Based on loudness normalization principles.
Norma adjusts audio using loudness normalization concepts based on EBU R 128, a reference used in broadcast, video and television workflows.
The application uses media processing components including FFmpeg and FFprobe. Technical credits and license notices are provided with the application.
Supported formats
Designed for common video containers.
MP4
H.264
H.265
MKV
MOV
Available on Microsoft Store
Install Norma safely from Microsoft Store.
Norma is currently distributed through Microsoft Store. Future direct download and direct purchase options may become available through tioleo.dev.
Get Norma on the Microsoft StoreSupport
Questions, support and language corrections.
For Norma support, questions, suggestions or language correction reports, contact:
Translation feedback is welcome. If you find an unclear, incorrect or unnatural sentence in your language, please send the original text, the language and your suggested correction.
Languages
Norma is available in multiple languages.
Norma includes interface language support for users in different regions and media workflows.
English
Portuguese (Brazil)
Spanish
German
French
Italian
Russian
Korean
Japanese
Chinese
Hindi
Guarani
Catalan
Greek
Dutch
Flemish
Hungarian
Irish
Polish
Turkish
Ukrainian
Arabic
Egyptian Arabic
Hebrew
Thai
Vietnamese
FAQ
Common questions
Does Norma re-encode the video?
No. Norma copies the original video stream untouched. The purpose is to adjust the audio while preserving the original video.
Does Norma modify my original file?
Norma creates a new processed result. After successful processing, the original file is renamed
with a .done suffix, keeping the original extension.
Is Norma a subscription?
No. Norma is free to start, and Norma Full is planned as a one-time purchase for the current major version.
Can Norma process many files at once?
Individual file processing is available in Norma Free. Folder batch processing and recursive subfolder processing are Norma Full features.