
Chart Generator
Turn pasted CSV, JSON, or plain text into configurable charts and downloadable reports , instant data visualization.

Profile CSV exports, chart data, test network speed, and inspect logs and structured data without uploading files.

Turn pasted CSV, JSON, or plain text into configurable charts and downloadable reports , instant data visualization.

Measure download, upload, ping, and jitter directly in your browser with a quick connection benchmark.

Measure download speed, upload speed, latency, and connection quality with browser-native benchmarks.

Test round-trip request latency to a public URL with browser-safe fetch timing , check server response time.

Profile CSV headers, fill rates, and likely column data types from pasted data , data quality analysis.

Estimate dataset storage growth from row counts and average row sizes , database capacity planning tool.

Open HAR exports locally and turn them into a sortable timeline for slow requests, waterfalls, headers, and payload sizes. It helps engineering and QA teams diagnose frontend performance without uploading logs.
249+ browser-based tools across 16 categories , all free, no sign-up required.