Convert ER Diagram Online
Generate an ER diagram from CREATE TABLE statements. Use ER Diagram Generator in your browser with no signup, no daily limit, and no backend processing for tool input.
Problem
You need to move data through ER Diagram Generator without writing a script or uploading the source file to another service.
What to do
ER Diagram Generator is useful when a format mismatch blocks the next step. Convert the data, inspect the preview, then continue into validation, cleanup, or export.
- 1Paste or upload the source data into ER Diagram Generator.
- 2Confirm the format options and preview the result.
- 3Copy or download the converted output.
Use the browser tool
ER Diagram Generator is a free, browser-based tool that helps you convert between formats. Generate an ER diagram from CREATE TABLE statements. 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 ER Diagram Generator?
- Paste or drop your data into the workspace, adjust the options to fit your data, then copy or download the result. Generate an ER diagram from CREATE TABLE statements.
- 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 ER Diagram Generator free?
- Yes — it's completely free with no account, no sign-up, no watermark, and no daily usage limits.