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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- IFERROR Explained With Examples
A practical guide to IFERROR in Excel covering syntax, common examples, lookup formulas, division errors, reporting workflows, troubleshooting patterns, and when IFERROR helps or hurts spreadsheet quality.
- How To Write Your First DAX Measure
A practical beginner guide to writing your first DAX measure, covering explicit versus implicit measures, the formula bar, simple examples, context, common mistakes, and how to test measures in Power BI.
- How To Unpivot Data In Power Query
How to unpivot wide spreadsheet data in Power Query for cleaner analysis, dashboards, and reporting.
- How To Split Text Into Columns In Google Sheets
A practical guide to splitting text into columns in Google Sheets using Split text to columns, the SPLIT function, delimiters, cleanup techniques, and structured reporting workflows.
- How To Remove Null Values In Power Query
A practical guide to filtering, replacing, and handling null values in Power Query without damaging downstream analysis.
- How To Remove Duplicates In Google Sheets
A practical guide to removing duplicates in Google Sheets covering built-in duplicate removal, UNIQUE-based workflows, cleanup checks, common mistakes, and real spreadsheet reporting use cases.
- How To Remove Duplicates In Excel
A practical guide to removing duplicates in Excel covering the Remove Duplicates tool, UNIQUE function, duplicate checking workflows, common mistakes, and real spreadsheet cleanup patterns.
- How To Merge Tables In Power Query
A practical guide to merging tables in Power Query with the right join types, keys, and cleanup steps.
- How To Highlight Duplicates In Google Sheets
A practical guide to highlighting duplicates in Google Sheets covering conditional formatting, COUNTIF formulas, duplicate checks, common mistakes, and real reporting and cleanup workflows.
- How to Find Slow SQL Queries
A detailed guide to finding slow SQL queries, including query logs, execution plans, pg_stat_statements, Query Store, slow query logs, lock analysis, and how to identify the queries that hurt performance most.