Free AI Tools

All Free Data Tools

Validate, clean, and analyse your business data with AI — no account required. All tools are free to use.

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CSV & Excel Chart Generator

Free · No Sign-Up

Upload any CSV or Excel (.xlsx) file and instantly create bar, line, and pie charts. Auto-detects your columns, suggests the best chart types, and lets you download as a high-res PNG.

CSV & Excel (.xlsx) supportBar, line & pie chartsAuto column detectionSmart chart suggestionsPNG download

Create Charts

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CSV & Excel Data Quality Checker

Free · No Sign-Up

Upload any CSV or Excel (.xlsx) file and instantly detect missing values, date format inconsistencies, duplicate rows, and numeric errors. Get a quality score from 0–100 in under 10 seconds.

CSV & Excel (.xlsx) supportMissing value detectionDate format checkerDuplicate row finderAuto-fix in one click

Check Your Data Learn more

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CSV & Excel Insights

Free · No Sign-Up

Upload any CSV or Excel (.xlsx) file and instantly get dataset summaries, trend analysis, category breakdowns, and AI-style business insights — no account needed.

CSV & Excel (.xlsx) supportDataset summariesTrend analysisCategory breakdownsBusiness insights

Get Insights

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Sales Data Analysis

AI Powered

Upload your sales CSV and let Chilcy AI automatically identify revenue trends, product performance, seasonal patterns, and growth opportunities.

Revenue trend analysisProduct performanceAnomaly detectionMonth-over-month growthExecutive summary

Analyse Sales Data

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Spreadsheet Error Detector

Free · No Sign-Up

Hidden spreadsheet errors cost businesses millions every year. Chilcy scans your file and surfaces every error before it corrupts your analysis.

Missing row detectionDuplicate entry finderColumn inconsistenciesFormat error detectionData completeness score

Scan Spreadsheet

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Business Data Insights

AI Powered

Turn raw spreadsheets into executive insights. Chilcy AI generates KPI summaries, risk alerts, anomaly detection, and growth opportunities automatically.

KPI summariesRisk alertsAnomaly detectionForecast intelligencePlain-English summaries

Generate Insights

Frequently Asked Questions

Are these tools really free?⌄

Yes. All four tools are completely free to use with no account required. Your data never leaves your browser — all processing happens locally.

Do I need to create an account to use the tools?⌄

No. You can use the CSV Data Quality Checker and Spreadsheet Error Detector without any account. For full AI analysis with reports and KPI dashboards, you'll need a Chilcy account.

What file types are supported?⌄

All tools support CSV (.csv) and Excel (.xlsx) files. You can upload either format directly — no need to convert.

Is my data private?⌄

Yes. The data quality and error detection tools run entirely in your browser — your file is never uploaded to our servers. AI analysis tools process data securely and never store your raw data.

What is the file size limit?⌄

Free tools analyse and chart the first 100 rows. Chilcy accounts support large files with thousands of rows for full AI analysis.

Get full AI-powered analysis

Free tools give you a taste. Chilcy AI gives you the full picture — KPI dashboards, weekly reports, and natural-language queries.

Start for Free