RividTechBlog
Practical notes on private, browser-based data tools — how they work, why they keep your data safe, and how to get more from CSV, TSV, JSON, and Excel.
- RividTech
How to Use Pandas for CSV and JSON Data Processing
Load, clean, filter, and reshape CSV and JSON with pandas — then chart results with matplotlib. Practical code for everyday data work, plus when a browser tool is enough.
pandasCSVJSON - RividTech
Tools to Process CSV Files in the Terminal
csvkit, xsv, Miller, and classic Unix tools can cut, filter, and reshape CSV from the shell. Learn the commands you will actually use — and when a browser tool is enough.
CSVterminalCLI - RividTech
jq for JSON Processing from the Terminal
jq is the standard CLI for slicing, filtering, and reshaping JSON. Learn the filters you actually use day to day — and when a browser tool is enough instead.
JSONjqterminal - RividTech
Flatten Nested JSON for Spreadsheets and CSV
APIs return nested JSON; spreadsheets want flat tables. Here is how to flatten objects and arrays into columns you can open as CSV or Excel.
JSONCSVflatten - RividTech
Excel to CSV (and Back) Without Losing Data
Excel workbooks hold sheets, types, and formatting that CSV cannot fully represent. Here is how to convert Excel ↔ CSV without the usual data-loss surprises.
ExcelCSVXLSX - RividTech
How to Clean Messy CSV Files: Delimiters, Duplicates & Validation
Most CSV pain is not “big data” — it is messy delimiters, duplicate rows, and broken headers. Here is a practical cleanup workflow that stays private in your browser.
CSVdata cleaningvalidation - RividTech
How to Convert CSV to JSON Safely in Your Browser
CSV to JSON is one of the most common data conversions — and one of the riskiest to do on a random website. Here is how to do it safely in your browser.
CSVJSONprivacy - RividTech
CSV vs TSV vs JSON: When to Use Each Format
CSV is the spreadsheet workhorse, TSV avoids comma headaches, and JSON handles nested structure. Learn when each format wins and how to convert between them in your browser.
CSVTSVJSON - RividTech
Why Browser-Only CSV Tools Are Safer for Your Data
Online converters usually upload your data to a server you don't control. Browser-only tools like RividTech run entirely on your device, so your files never leave your machine.
privacyCSVdata security