Format guide
What is Properties?
Java-style properties file is a java-style properties file used as readable text configuration or markup, created by Various. Key=value config used by Java apps. Keep secrets local — Format Convertly converts in the browser without uploading.
Properties format specifications
- Full name
- Java-style properties file
- Kind
- configuration / plain text
- File extension
- .properties
- MIME type
- text/x-java-properties
- Developer / standard
- Various
- Compression
- None (plain text)
- Quality model
- Lossless / not lossy
- Container
- No / single bitstream typical
- Common codecs
- —
- Technical sources
- —
- Transparency
- Not supported
- Animation
- No (still / non-animated typical use)
- Typical size
- Tiny
- Browser support
- Download/edit as text
- Compatibility
- Text editors and relevant runtimes
Properties compression & quality
Properties is text. Compress with ZIP/GZ only for transport.
Quality: Exact text
Typical size: Tiny
Transparency & animation
Not applicable.
Not applicable.
Properties metadata
Usually none beyond encoding.
Best use cases for Properties
- Key=value config used by Java apps
- Developer workflows
- Config and docs pipelines
When to avoid Properties
- Uploading secrets to untrusted converters
- Treating as a rich document format
Advantages
- Readable
- Scriptable
- Easy to convert to other text forms
Disadvantages
- Easy to leak secrets
- Dialect/tool specific
- Not for non-technical publishing
Compatibility
Text editors and relevant runtimes
Browsers: Download/edit as text
Software support
- VS Code
- Server tooling
- Format Convertly
Device support
- Developer and ops machines
How to open Properties
Open with any text editor.
How to convert Properties
Convert with Format Convertly’s browser text/data tools — keep secrets on-device.
Popular Properties conversions
Related formats
Properties tools
Tools extend the format graph beyond one-off conversion — compression, metadata, and utilities for real workflows.
Properties FAQ
What is Properties?
Java-style properties file. Key=value config used by Java apps.
Are my Properties files uploaded on Format Convertly?
No. Properties conversion runs in your browser. Files are not sent to Format Convertly servers for processing.