🔒 100% Browser-Based Data Intelligence Workspace

Inspect • Analyze • Validate • Clean • Visualize Data

Inspect, analyze, validate, compare, clean, and visualize datasets locally in your browser. Complete privacy — zero server uploads, no backend, no account required.

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Latest Tools ↓ Browse Categories 📁

Latest Tools

Recently published data tools and modules

💰 Analyze

Financial Data Quality Management

Assess financial data quality online with DataFrog. Perform completeness checks, balance reconciliation, debit-credit audit, & currency validations free.

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🗄️ Analyze

Analyze Database

Analyze SQL databases, SQLite files, CSV, & JSON files locally in your browser. Inspect tables, columns, keys, ER diagrams, data quality, & schema issues.

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Recently Updated

Tools with recent feature and performance updates

💰 Updated: 2026-08-11

Financial Data Quality Management

Assess financial data quality online with DataFrog. Perform completeness checks, balance reconciliation, debit-credit audit, & currency validations free.

Launch Tool →
🗄️ Updated: 2026-08-11

Analyze Database

Analyze SQL databases, SQLite files, CSV, & JSON files locally in your browser. Inspect tables, columns, keys, ER diagrams, data quality, & schema issues.

Launch Tool →

Data Intelligence Categories

Select a category to view all tools, profilers, and visualizers

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Inspect

9 Tools

Explore complex nested data structures with interactive tree viewers, raw decoders, JSON/XML/YAML path finders, multi-sheet spreadsheet tab inspectors, and depth metrics locally in your browser.

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Analyze

10 Tools

Run detailed dataset statistical analysis, numerical summary metrics (mean, median, min, max, sum), missing value ratios, data type distributions, column profiling, and web server log error audits.

Validate

7 Tools

Validate JSON, XML, CSV, and YAML syntax accuracy, detect exact line & column error pointers, verify JSON Schemas (Draft-04, Draft-07, 2020-12), and enforce data structural integrity.

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Compare

7 Tools

Perform side-by-side and inline structural diffing for Text, JSON, CSV, XML, and Excel files with key path tracing, added/deleted row detection, cell value modification highlights, and report exports.

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Clean

1 Tools

Deduplicate Excel workbooks and CSV files, normalize whitespace, standardize casing, filter unwanted records, and sanitize raw datasets locally in your browser with zero data uploads.

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Visualize

8 Tools

Transform JSON, CSV, XML, Excel, and YAML datasets into interactive visual node trees, multi-sheet dashboards, searchable spreadsheet tables, and high-resolution chart graphics (Bar, Line, Pie, Doughnut).

Latest Blog Posts

Articles, tutorials, and data engineering insights

Why Choose DataFrog?

Engineered for high performance, zero latency, and absolute privacy.

⚡ 100% Browser Based

All code executes within your local browser JavaScript engine. No external server compute required.

🔒 Privacy First

Your datasets, API payloads, and files are never transmitted across the network or logged anywhere.

📁 No Upload Required

Files are read directly into browser memory. No remote file storage exists.

✈️ Works Offline

Once a tool page is loaded in your browser, client-side JavaScript remains functional offline.

Frequently Asked Questions

Everything you need to know about DataFrog browser tools

Is my data 100% private?

Yes. All transformations run locally inside your browser's JavaScript engine. Zero data is sent to external servers.

Do I need an account?

No. DataFrog is completely free with zero sign-ups or paywalls.

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