Free ZWO Converter
Convert workout files to and from Zwift ZWO format. Perfect for indoor training.
Your Functional Threshold Power is used to convert relative power targets in the ZWO file to absolute watts in the FIT file.
Your Data is Secure
All file conversions happen directly in your browser. We never upload, store, or save your files on any server. Your data remains completely private and secure.
About Free ZWO Converter
Learn more about the converter and its creator
Jonas
I'm a software developer and sports enthusiast. I created these converters to help athletes manage their workout data efficiently.
About ZWO File Converters
ZWO files are Zwift's workout format used for structured indoor training sessions. Our ZWO converter allows you to convert ZWO files to and from other formats, enabling you to use Zwift workouts on different platforms and create workouts from other file types.
What Makes ZWO Files Structured
ZWO files contain structured workout data with power targets relative to your FTP (Functional Threshold Power). They define intervals, durations, and intensity levels for indoor training sessions in Zwift and other compatible training applications.
Conversion Capabilities
Our ZWO converter supports multiple conversion directions, allowing you to:
- Convert Zwift workouts to FIT format for use with Garmin devices
- Transform power-based FIT files into Zwift workout format
- Convert GPX routes into structured Zwift workouts
Data Integrity
All conversions preserve workout structure, power targets, intervals, and workout metadata. Your training sessions remain accurate and complete throughout the conversion process.
About ZWO File Converters
ZWO files are Zwift's workout format used for structured indoor training sessions. Our ZWO converter allows you to convert ZWO files to and from other formats, enabling you to use Zwift workouts on different platforms and create workouts from other file types.
What is a ZWO File?
ZWO files contain structured workout data with power targets relative to your FTP (Functional Threshold Power). They define intervals, durations, and intensity levels for indoor training sessions in Zwift and other compatible training applications.
Supported Conversions
Our ZWO converter supports conversion to and from multiple formats:
- ZWO to FIT: Convert Zwift workouts to FIT format for use with Garmin devices
- FIT to ZWO: Transform power-based FIT files into Zwift workout format
- GPX to ZWO: Convert GPX routes into structured Zwift workouts
Key Features
ZWO converters support:
- FTP-based power targeting (relative percentages)
- Structured interval workouts
- Power zone calculations
- Workout metadata and descriptions
- Compatibility with Zwift and other training apps
Common Use Cases
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1
Workout Creation
Create Zwift workouts from outdoor rides or other file formats
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2
Workout Sharing
Convert ZWO workouts to FIT format to use on other devices and platforms
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3
Route to Workout
Transform outdoor GPX routes into structured indoor Zwift workouts
How It Works
All conversions happen securely in your browser. Simply upload your ZWO file (or source file), enter your FTP if needed, and download the converted file. No data is uploaded to our servers—everything is processed locally for your privacy and security.