Elysiate blog
Practical guides for privacy-first developer tools, SEO and content operations, data and file workflows, cloud and API security, AI engineering, and sustainable freelance work. Everything here supports the same philosophy as our browser-based utilities: your data stays on your device until you choose otherwise.
For tabular data, the CSV tools hub covers validation and conversion in the browser, and the CSV topic index lists every CSV-tagged guide in one place.
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- What Is Excel And How It Works
A practical guide to What Is Excel And How It Works, with examples, validation checks, data-quality notes, and safer spreadsheet or CSV workflows.
- What Is DAX in Power BI: Measures, Tables, and Context
A practical guide to what DAX is, how it works, and how analysts use it for measures, calculated columns, context-aware reporting, and Power BI dashboard logic.
- VLOOKUP Not Working How To Fix It
Learn how to fix VLOOKUP problems in Excel, including #N/A errors, incorrect matches, wrong ranges, hidden spaces, data-type issues, and column index mistakes.
- VLOOKUP In Google Sheets: Practical Guide and Examples
Learn how VLOOKUP works in Google Sheets with practical examples, exact-match logic, common mistakes, and reporting workflows. Includes practical examples and next steps.
- Unique Function In Excel: Spreadsheet Analytics & BI
Learn how the UNIQUE function works in Excel with practical examples, dynamic arrays, duplicate handling, and useful spreadsheet reporting patterns.
- TEXTJOIN Function Guide: Spreadsheet Analytics & BI
Learn how the TEXTJOIN function works in Excel with practical examples, delimiters, blank handling, and useful spreadsheet reporting patterns.
- Templates Dashboards Pillar Page
A central hub for templates and dashboards across Excel, Google Sheets, Power Query, and Power BI, with workflow guidance, tool comparisons, and related articles.
- SUMIF vs SUMIFS: Which Excel Formula Should You Use?
Compare SUMIF vs SUMIFS in Excel with practical examples, syntax differences, common mistakes, and guidance on when each formula is the better choice.
- Sum vs SUMX In DAX: Which One Should You Use?
Learn the difference between SUM and SUMX in DAX, when to use each one, and how iterators affect Power BI measures, performance, and business-reporting logic.
- Star Schema For Power BI: A Practical Model Design Guide
Learn what a star schema is in Power BI, why it matters, and how to build better fact and dimension models for cleaner dashboards and reporting.