APIBrowser-onlyNo signup
API Field Mapper Online Guide
Map fields between two API shapes. Use API Field Mapper in your browser with no signup, no daily limit, and no backend processing for tool input.
Problem
You need a fast browser-based workflow for API Field Mapper without setup or account friction.
What to do
API Field Mapper gives you a focused browser workflow for one task. Use it as a step inside a larger local data workflow.
- 1Open API Field Mapper.
- 2Enter the values or data for the task.
- 3Review, copy, or download the result.
Use the browser tool
API Field Mapper is a free, browser-based tool that helps you get the job done quickly. Map fields between two API shapes. It's built for speed and privacy: Everything runs locally in your browser — your data is never uploaded to a server. No sign-up, no installs, and no daily limits.
People also ask
- How do I use API Field Mapper?
- Paste or drop your data into the workspace, adjust the options to fit your data, then copy or download the result. Map fields between two API shapes.
- Is my data uploaded or stored anywhere?
- No. Everything runs locally in your browser — your data is never uploaded to a server. Nothing is sent to a server, so it's safe to use with private or sensitive data.
- Is API Field Mapper free?
- Yes — it's completely free with no account, no sign-up, no watermark, and no daily usage limits.