SQL Schema Visualizer

ReadyHow to use

Browse tables/columns of a SQL schema interactively.

SQL & DBDatabase designBrowser workspace

Free to use. No account, no daily limit, and no backend processing for tool input.

Tip: use samples, upload, copy, download, and send-to actions inside the workspace where available.

What is SQL Schema Visualizer?

SQL Schema Visualizer is a free, browser-based tool that helps you turn raw numbers into clear charts. Browse tables/columns of a SQL schema interactively. 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.

How to use SQL Schema Visualizer

1Paste your data or drop a CSV/JSON file.
2Pick the columns and chart type — the chart updates live.
3Open it fullscreen and export the chart as SVG or PNG.

Features

Multiple chart types with live preview
Export charts as SVG or PNG
100% client-side — no upload, fully private
Free with no account, no watermark, and no daily limit
Works on large inputs, limited only by your device's memory
Load a sample, then copy, download, or share your result

Common uses

Drafting and checking queries without a database connection
Quick one-off visualizer jobs without opening a heavy app
Preparing data before importing it elsewhere
Sharing a reproducible result with a teammate via a link

Used by

Database administrators
Backend developers
Data engineers
Students
Dashboard builders
Report writers

Common errors

Text columns are charted as numbers without cleaning first.
Missing values are hidden instead of reviewed.
A chart is created before duplicate rows are removed.
Labels are too vague to explain what the chart is showing.

How it works

1Reads structured SQL.
2Maps selected columns to chart dimensions.
3Renders a chart preview that can be exported where supported.

Recommended workflow

1
Prepare the input
Visualize the dataset after it has been cleaned enough for reliable labels and numeric values.
2
Run SQL Schema Visualizer
Review the preview, copy or download the result, and keep everything local in your browser.
3
Next recommended tool
ER Diagram Generator: Generate an ER diagram from CREATE TABLE statements.
Open tool
4
Then continue with
Table Relationship Visualizer: Visualize FK relationships across a schema.
Open tool
5
Then continue with
SQL → Prisma: Generate a Prisma schema from CREATE TABLE statements.
Open tool

Frequently asked questions

How do I use SQL Schema Visualizer?: Paste or drop your data into the workspace, adjust the options to fit your data, then copy or download the result. Browse tables/columns of a SQL schema interactively.
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 SQL Schema Visualizer free?: Yes — it's completely free with no account, no sign-up, no watermark, and no daily usage limits.
What's the maximum file size?: There's no hard limit imposed by the tool. Because processing happens in your browser, the practical ceiling is your device's available memory — most everyday files work instantly.
Can I export the chart?: Yes — open the chart fullscreen and export it as an SVG (vector) or PNG (image) for slides, docs, or reports.

SQL Schema Visualizer

ReadyHow to use

Browse tables/columns of a SQL schema interactively.

SQL & DBDatabase designBrowser workspace

Free to use. No account, no daily limit, and no backend processing for tool input.

CREATE TABLE statements

Try a sample:

Tip: use samples, upload, copy, download, and send-to actions inside the workspace where available.

What is SQL Schema Visualizer?

How to use SQL Schema Visualizer

1Paste your data or drop a CSV/JSON file.
2Pick the columns and chart type — the chart updates live.
3Open it fullscreen and export the chart as SVG or PNG.

Features

Multiple chart types with live preview
Export charts as SVG or PNG
100% client-side — no upload, fully private
Free with no account, no watermark, and no daily limit
Works on large inputs, limited only by your device's memory
Load a sample, then copy, download, or share your result

Common uses

Drafting and checking queries without a database connection
Quick one-off visualizer jobs without opening a heavy app
Preparing data before importing it elsewhere
Sharing a reproducible result with a teammate via a link

Used by

Database administrators
Backend developers
Data engineers
Students
Dashboard builders
Report writers

Common errors

Text columns are charted as numbers without cleaning first.
Missing values are hidden instead of reviewed.
A chart is created before duplicate rows are removed.
Labels are too vague to explain what the chart is showing.

How it works

1Reads structured SQL.
2Maps selected columns to chart dimensions.
3Renders a chart preview that can be exported where supported.

Recommended workflow

1
Prepare the input
Visualize the dataset after it has been cleaned enough for reliable labels and numeric values.
2
Run SQL Schema Visualizer
Review the preview, copy or download the result, and keep everything local in your browser.
3
Next recommended tool
ER Diagram Generator: Generate an ER diagram from CREATE TABLE statements.
Open tool
4
Then continue with
Table Relationship Visualizer: Visualize FK relationships across a schema.
Open tool
5
Then continue with
SQL → Prisma: Generate a Prisma schema from CREATE TABLE statements.
Open tool

Frequently asked questions

How do I use SQL Schema Visualizer?: Paste or drop your data into the workspace, adjust the options to fit your data, then copy or download the result. Browse tables/columns of a SQL schema interactively.
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 SQL Schema Visualizer free?: Yes — it's completely free with no account, no sign-up, no watermark, and no daily usage limits.
What's the maximum file size?: There's no hard limit imposed by the tool. Because processing happens in your browser, the practical ceiling is your device's available memory — most everyday files work instantly.
Can I export the chart?: Yes — open the chart fullscreen and export it as an SVG (vector) or PNG (image) for slides, docs, or reports.

What is SQL Schema Visualizer?

How to use SQL Schema Visualizer

Features

Common uses

Used by

Common errors

How it works

Recommended workflow

Prepare the input

Run SQL Schema Visualizer

Next recommended tool

Then continue with

Then continue with

Frequently asked questions

What is SQL Schema Visualizer?

How to use SQL Schema Visualizer

Features

Common uses

Used by

Common errors

How it works

Recommended workflow

Prepare the input

Run SQL Schema Visualizer

Next recommended tool

Then continue with

Then continue with

Frequently asked questions