Describe what you want to investigate. The AI plans the analysis, runs the queries, follows unexpected findings, and delivers a consulting-quality report — all in seconds, all in your browser.
Free forever · No upload, no server · Files never leave your browser · How privacy works
Q4 revenue grew 2.3x faster than Q3, driven by enterprise segment
Gross margin declined despite revenue growth — marketing CPA up 23%
Not just a query — a multi-step autonomous investigation. The AI plans what to look at, executes queries in parallel, detects anomalies, follows unexpected threads, and synthesizes everything into actionable findings.
3 steps run simultaneously — analysis that would take minutes finishes in seconds.
Spots an anomaly? The AI automatically adds investigation steps and digs deeper.
Click any finding to launch a focused sub-investigation with full context.
Total Revenue — FY 2025
YoY Growth
Gross Margin
Q4 Expenses
The AI composes consulting-quality reports with narrative flow, varied visualizations, and specific recommendations. Edit everything inline, then present as slides with one click — smart grouping turns your report into a polished deck instantly.
Bar, area, waterfall, radar, heatmap, and more — the AI picks the right one, or you choose.
Drag blocks, resize columns, edit text inline. Full control over layout and content.
Charts next to tables, KPIs next to narratives. Real consulting-quality composition.
One click turns any report into a slide deck. Smart grouping, keyboard navigation, light and dark themes.
14 chart types, smart auto-detection, switch any time. The AI picks the right visualization for your data — or you choose yourself.
General-purpose AI tools hallucinate data they can't see. QueryVeil runs real SQL on your actual data, locally in your browser — every answer is grounded and verifiable.
| QueryVeil | ChatGPT | Claude | |
|---|---|---|---|
| Time to first result | ~2 sec | 1-3 min | 1-3 min |
| Runs real SQL on your data | Partial | Partial | |
| Answers grounded (no hallucination) | |||
| Data stays on your device | |||
| Files never uploaded | |||
| Autonomous investigation | Deep (multi-step) | ||
| Follow-up on anomalies | Automatic | Manual | Manual |
| Parallel query execution | 3x concurrent | ||
| Consulting-quality reports | AI-composed | ||
| Chart types | 14 | ||
| Inline report editing | Notion-style | ||
| Present reports as slides | One-click | ||
| Verifiable privacy (DevTools) | |||
| Works fully offline | |||
| Multi-file joins | Limited | ||
| Built for data exploration | |||
| No account required | |||
| Free tier | Limited | Limited |
You bring the context. QueryVeil brings the speed. Every answer is backed by a real SQL query you can inspect.
Drop a file and get stats, distributions, and outlier flags before you finish reading this sentence. DuckDB WASM runs SQL directly in your browser — no upload, no server.
Ask in plain English. The AI plans a multi-step investigation, runs queries, and builds a complete analysis — not just a single answer.
See column profiles, distributions, and data quality at a glance. Click any column to drill down. Follow guided walkthroughs on sample datasets to learn the workflow.
Chat, SQL Editor, Visual Explorer, Notebooks, Reports, and Deep Analysis — all connected, all in one workspace.
CSV, Excel, JSON, Parquet files. PostgreSQL, MySQL, BigQuery connections. Import from URLs. Combine everything in one workspace and join across sources.
Files never leave your browser. Enable Zero Cloud Mode and even the AI runs locally — zero network requests. Open DevTools and verify it yourself. Not a policy. A technical fact.
CSV, Excel, JSON, or Parquet — it loads into a browser-based SQL engine in under 2 seconds. Nothing uploaded. Nothing leaves your machine.
Get an instant data profile: stats, distributions, and outlier flags. Then ask follow-up questions in plain English or write your own SQL.
Describe your goal. The AI plans the investigation, runs parallel queries, follows anomalies, and records findings — automatically.
The AI composes a consulting-quality report with narrative flow, varied charts, and actionable recommendations. Edit inline, then present as slides or share instantly.
Whether you're exploring a dataset for the first time or building a client report — QueryVeil gets you from file to understanding in seconds, entirely in your browser.
Skip the notebook setup. Drop a file, get a full data profile in seconds, then query with SQL or plain English. DuckDB in your browser — instant and accurate.
Analyze client data without uploading it anywhere. Produce charts and reports on the spot. NDA-safe by architecture — open DevTools and verify.
Got a spreadsheet? Drop it in, see distributions and outliers immediately. Ask "which vendors had the biggest Q4 increase?" and get a real answer backed by SQL.
You don't need SQL or Python. Ask questions in plain English. QueryVeil runs real queries under the hood and shows you exactly how it got the answer.
Free forever for exploration. Upgrade when you need professional workflow or cloud AI.
Local AI-powered data analysis
Professional workflow, unlimited
$7.50/mo billed annually
Cloud AI, agents & database connections
$15.83/mo billed annually
No credit card required. Premium includes a 14-day free trial.
Try the live demo with sample data — no signup, no upload, nothing leaves your browser. Drop a file and see a full data profile before you can count to three.