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103 Articles
Data & CSV
Articles filed under Data & CSV.
Showing 43–63 of 103 articles
🌡️ Data & CSV
How to Turn a CSV Grid of Numbers Into a Heatmap
Upload a CSV grid of numbers and generate a color-coded heatmap image, entirely in your browser.
text Data & CSV
How to Use Name Format Cleaner
A quick browser-based tool for the task.. Learn the practical steps, common mistakes, and the quickest way to use name format cleaner in your browser.
text Data & CSV
How to Use Phone Number Validator
A quick browser-based tool for the task.. Learn the practical steps, common mistakes, and the quickest way to use phone number validator in your browser.
text Data & CSV
How to Use Record Matching Assistant
A quick browser-based tool for the task.. Learn the practical steps, common mistakes, and the quickest way to use record matching assistant in your browser.
text Data & CSV
How to Use Spreadsheet Duplication Finder
A quick browser-based tool for the task.. Learn the practical steps, common mistakes, and the quickest way to use spreadsheet duplication finder in your browser.
text Data & CSV
How to Use Table Row Deduplicator
A quick browser-based tool for the task.. Learn the practical steps, common mistakes, and the quickest way to use table row deduplicator in your browser.
🔢 Data & CSV
How to Add a Row Number Column to a CSV
Add sequential numbers to a CSV with zero padding or a prefix, keep the header row intact, and avoid the off-by-one that shifts every record.
📋 Data & CSV
How to Browse a JSON Array as a Sortable Table
Paste a JSON array of objects to browse it as a sortable table — click any column header to sort, entirely in your browser, no code required.
📊 Data & CSV
How to Build a Pivot Table From CSV Data
Turn pasted CSV data into a pivot table by choosing row, column, and value fields with sum, count, or average aggregation, without opening Excel.
📊 Data & CSV
How to Build a Retention Cohort Table
Group users by signup period and read retention down the column instead of across the row, so cohort analysis shows whether the product is improving.
📊 Data & CSV
How to Build a Two-Way Frequency Table From CSV
Build a two-way frequency (cross-tab) table from CSV data, counting combinations of two categorical columns, with row totals and percentages.
📊 Data & CSV
How to Convert a Markdown Table to CSV
Convert a Markdown table to CSV without retyping rows, while preserving headers, quoted commas, empty cells, and a delimiter your spreadsheet can import.
🗺️ Data & CSV
How to Convert KML Files to GPX
Convert KML placemarks and routes to GPX for a GPS app or device, while checking track order, coordinates, names, and unsupported styling before export.
📊 Data & CSV
How to Filter CSV Rows by a Column Value
Use a CSV filter tool to select a column, apply contains, equals, or starts-with matching, preview matching rows, and export the filtered CSV locally.
📞 Data & CSV
How to Format a List of US Phone Numbers
Use a phone number formatter to normalize pasted US numbers into national, hyphenated, or +1 international display styles and export a clean list locally.
🏁 Data & CSV
How to Make a Bar Chart Race People Watch
Build an animated bar chart race that shows ranking changes clearly, with a pace and bar count that stay readable while the bars are moving.
🟦 Data & CSV
How to Show Share of Total With a Treemap
Use a treemap when you have many categories and care about proportion, and label the values because area is the hardest comparison the eye can make.
🔀 Data & CSV
How to Shuffle CSV Rows Without Moving the Header
Use a random data shuffler to reorder pasted CSV-style rows while keeping the header first, then review, reshuffle, copy, or download the result locally.
🗄️ Data & CSV
How to Turn CSV Rows Into SQL INSERT Statements
Turn CSV rows into SQL INSERT statements with the correct table, columns, quoting, null handling, and batch size before reviewing the generated script.
📋 Data & CSV
How to Calculate the Sample Size Your Survey Actually Needs
Calculate the minimum number of responses your survey or experiment needs given a population size, confidence level, margin of error, and expected response split.
📝 Data & CSV
How to Convert SRT Subtitles to Text
Use an SRT to text converter to remove timestamps, rejoin broken caption lines, handle VTT, and drop duplicate auto-caption cues.