Focused tool site
DataFormatTools
Private browser tools for CSV, JSON, URLs, Base64, and timestamps.
Audience
Developers, analysts, spreadsheet users, API testers, and technical operators.
Search angle
The competitor gap is not basic conversion. The gap is trustworthy local processing plus clear guides for common data cleanup workflows.
MVP scope
8 tools and 6 supporting guides.
Tools on DataFormatTools
A focused toolkit for developers, analysts, and operators who need to clean, convert, preview, and validate small data snippets without uploading files.
CSV to JSON Converter
Convert simple CSV rows into formatted JSON arrays for quick data cleanup and API drafts.
JSON to CSV Converter
Convert an array of JSON objects into CSV text that can be pasted into spreadsheets.
CSV Viewer
Paste CSV text and preview it as a readable table before copying it elsewhere.
JSON Formatter
Format, minify, and validate JSON snippets without sending your data to a server.
URL Encoder / Decoder
Encode text for URLs or decode percent-encoded strings back into readable text.
Base64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 strings back into readable text.
Timestamp Converter
Convert Unix timestamps to readable dates and convert date-time values back to timestamps.
UUID Generator
Generate random UUIDs for mock data, test records, prototypes, and development workflows.
Guides for this site
How to Convert CSV to JSON Online
A practical guide to turning spreadsheet-style CSV rows into JSON arrays for APIs, prototypes, and data cleanup.
How to Convert JSON to CSV Online
Learn how to convert a JSON array of objects into CSV text that can be opened in spreadsheets.
Use a CSV Viewer Before Importing Data
Preview pasted CSV as a table so you can catch broken rows, wrong headers, and messy exports before using the data.
JSON Formatter vs JSON Validator: What Is the Difference?
Learn when to format JSON, when to validate JSON, and why readable structure makes debugging API responses faster.
URL Encoding Explained
Understand percent encoding, query strings, and why spaces and symbols look different inside URLs.
What Is a UUID Used For?
A plain-English guide to UUIDs, random identifiers, mock data, test records, and when unique IDs are useful.