Binary payload generator
Generate a test payload with a chosen file size.
Runs in your browser
OutputText · 0 bytes
Your result will appear hereAdd your input, choose the options and run the tool.
Your input stays on this device. Nothing is uploaded or saved.
About Binary payload generator
Create a binary file of an exact size for upload and byte-handling tests.
When to use it
Check upload limits and exact-byte preservation.
Size: 1024 bytes
Mode: sequence
Output: payload.binHow to use it
- Choose a byte count and content mode.
- Generate and download the binary file.
Limits & privacy
From one byte to 256 KiB. Hosted output describes the file with Base64 data; the browser offers a binary download. No file is uploaded or stored.
Use this tool from the API reference or connect through the SDK, CLI, SSH, or MCP. Hosted calls share your plan allowances.