File Size Formatter API
File Size Formatter is a tool for converting bytes to human-readable file sizes (KB, MB, GB, TB, etc.). It supports both binary (1024) and decimal (1000) standards with customizable precision.
Live Test API
Try out the File Size Formatter with a live request and see the response in real-time.
API Request
API Response
1234567891011121314151617181920212223{ "status": "ok", "error": null, "data": { "bytes": 1073741824, "formatted": "1 GiB", "value": 1, "unit": "GiB", "standard": "binary", "precision": 2, "conversions": { "B": 1073741824, "KiB": 1048576, "MiB": 1024, "GiB": 1, "TiB": 0, "PiB": 0, "EiB": 0, "ZiB": 0, "YiB": 0 } } }
Multiple Access Methods
REST API with multiple response formats, GraphQL, and MCP for AI agents
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JavaScript Object Notation
XML
Extensible Markup Language
YAML
Human-readable data format
CSV
Comma-separated values
GraphQL
Query language for APIs
MCP
AI agent integration
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Frequently Asked Questions
Get answers to common questions about the File Size Formatter API
What does the File Size Formatter API do?
File Size Formatter is a tool for converting bytes to human-readable file sizes (KB, MB, GB, TB, etc.). It supports both binary (1024) and decimal (1000) standards with customizable precision. The API returns structured data in JSON, XML, or YAML format, making it easy to integrate into any application or workflow.
How fast is the File Size Formatter API?
The File Size Formatter API has an average response time of 156ms, with a median (p50) of 150ms and 99th percentile of 193ms. Our infrastructure maintains 99.9% uptime with servers distributed globally for low latency.
How much does the File Size Formatter API cost?
Each call to the File Size Formatter API uses 1 credit. The free tier includes 100 credits per month. Paid plans start at $29.99/month with higher limits, and enterprise plans offer custom pricing with priority support.
How do I authenticate File Size Formatter API requests?
Include your API key in the request header as X-API-Key: your_key_here. All requests are made over HTTPS for security. You can get your API key by signing up for a free account.
What HTTP methods does File Size Formatter support?
The File Size Formatter API supports GET requests. Simply pass your parameters as query strings in the URL. Check our documentation for detailed parameter specifications.
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