How do I analyze an Excel file with AI?

Import your Excel workbook (.xlsx, .xls, .xlsm or CSV) into Epsilane. The AI analyzes the complete structure: formulas, cross-sheet dependencies, data blocks. Ask questions in natural language and get precise, data-backed answers with embedded charts.

How do I automatically convert an Excel workbook to a PowerPoint presentation?

With Epsilane, import your workbook, describe the insights to present, and get a fully editable native .pptx file. Native charts, formatted tables, and adaptive layout - no screenshots. Three modes available: from your data, from a text prompt, or automatic update of an existing deck.

Is Epsilane GDPR compliant?

Yes. Files encrypted in transit and at rest, processed ephemerally, deleted at the end of each session. European hosting, infrastructure and LLM in the EU.

What Excel file types are supported?

Epsilane supports Excel files (.xlsx, .xls, .xlsm) and CSV files. Complex multi-sheet workbooks are fully supported: multi-entity P&Ls, loss triangles, valuation models. Formulas, cross-sheet references, and named ranges are all analyzed.

Does Epsilane replace VBA macros?

For reporting and presentation creation, yes. Instead of maintaining fragile VBA macros to extract data and format slides, you describe what you want to show and Epsilane generates the deck. No code to maintain, reproducible results every quarter.

How long does it take to generate a presentation with Epsilane?

Generating a complete deck takes a few minutes. Import your workbook, describe what you want to show, and get a native .pptx ready to present. No training required.

Does Epsilane understand complex Excel formulas?

Yes. Epsilane traces every formula, every cross-sheet reference, and every named range. The analysis is 100% deterministic: presented data comes directly from source cells, with no approximation or hallucination.

Which industries use Epsilane?

Epsilane is built for finance and insurance teams: management control, audit, actuarial (including Solvency II reporting), investment banking, private equity. Any professional working with complex Excel workbooks who needs to produce regular presentations.

How does Epsilane compare to ChatGPT for Excel analysis?

ChatGPT treats your file as raw text. Epsilane analyzes the actual workbook structure: formulas, dependencies, data blocks. The analysis is deterministic (no hallucination on your figures) and the output is a native .pptx true to your branding, not a text response.

How does Epsilane protect my data?

Epsilane works via a web app or Excel add-in. Files are encrypted in transit and at rest, processed ephemerally, and deleted at the end of each session. Mistral LLM hosted in France, application hosted in Europe (Supabase Ireland, Nebius Finland). GDPR compliant, Articles 28 and 32.

About

What is Epsilane?

Epsilane is an AI analyst that understands the structure of complex Excel workbooks (formulas, cross-sheet references, named ranges) and generates native PowerPoint presentations true to your corporate branding. Built for finance, insurance, and audit teams, it transforms hours of manual work into minutes.

How it works

Three steps, from workbook to ready-to-present deck.

Import your workbook

Excel files (.xlsx, .xls, .xlsm) and CSV supported. Multi-entity P&Ls, loss tables, valuation models: the complete structure is analyzed. Formulas, cross-sheet references, and named ranges included.

Describe what you want to show

Describe the insights to highlight. Epsilane identifies relevant data from the structure and formulas of your workbook.

Get a native .pptx, ready to present

Fully editable PowerPoint file, true to your corporate template. Native charts, formatted tables, adaptive layout. No screenshots.

Epsilane vs the alternatives

For a side-by-side view of all five approaches, see the full comparison.

Epsilane vs manual copy-paste

Criteria	Copy-paste	Epsilane
Time per deck	Several hours	check_circleA few minutes
Data fidelity	Frequent copy errors	check_circleData traced from source cells
Corporate branding	Manual adjustment slide by slide	check_circleTemplate analyzed and replicated automatically
Recurring update	Rework each slide	check_circleImport new file, regenerate
Charts	Screenshots or reformatting	check_circleNative PowerPoint charts

Epsilane vs ChatGPT (Excel upload)

Criteria	ChatGPT	Epsilane
Excel understanding	Reads file as raw text	check_circleAnalyzes structure: formulas, dependencies, data blocks
Data reliability	Can hallucinate values	check_circle100% deterministic analysis, zero hallucination
Output format	Text response	check_circleNative editable .pptx file
Corporate branding	Not supported	check_circleColors, fonts, layouts replicated automatically
Privacy	Everything sent to OpenAI servers (US)	check_circleMistral LLM (France), application hosted in the EU

Epsilane vs VBA macros

Criteria	VBA Macros	Epsilane
Setup	VBA code development and maintenance	check_circleNo code, natural language description
Flexibility	Hardcoded, every change = development	check_circleAdaptable to each new need via prompt
Dependency	Relies on one key person maintaining code	check_circleUsable by the whole team without technical skills
Charts	Limited to VBA capabilities	check_circleNative PowerPoint charts
Scalability	Fragile, breaks with Excel updates	check_circleWeb app independent of the Excel file

Built for finance and insurance

Epsilane adapts to the specifics of each industry.

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Insurance

Solvency II reporting, loss triangles, technical provisions, and combined ratios.

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Investment Banking

Valuation models, pitch decks, performance analysis, and sector comparables.

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Private Equity

Investor reporting, portfolio analysis, performance tracking, and value creation.

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Corporate Finance

Management control, budgets, forecasts, variance analysis, and dashboards.

Your next report, in minutes

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