Developer Tools— Guides & Articles

• Convert JSON to Excel in GST Offline Tool Workflows

  Published 2026-08-09

  Turn a JSON array of objects into a local .xlsx for your GST offline tool — browser-based JSON to Excel Converter with no uploads and no formula execution.

  

• Is JSON to CSV Safe to Use Online? A Privacy-First Guide

  Published 2026-08-09

  Online JSON to CSV converters are safe when they process data in your browser and apply default formula-injection protection. See how a local tool handles…

  

• Create JSON Schema in Postman From a Response Sample

  Published 2026-08-09

  Generate a Draft 2020-12 JSON Schema from a Postman response sample, inspect required and nullable fields, and use the result in your Postman tests.

  

• Format JSON Files in Notepad++: Plugins and Alternatives

  Published 2026-08-09

  Notepad++ has no built-in JSON formatter. Compare plugins like JSTool with a browser-based JSON Formatter to pretty-print, minify, and validate JSON safely.

  

• How to Find the Difference Between Two JSON Files

  Published 2026-08-09

  Compare two JSON files with JSON Diff and get added, removed, changed, and type-changed entries at exact RFC 6901 JSON Pointer paths.

  

• How to Run Code in a JavaScript Playground

  Published 2026-08-08

  Run short JavaScript snippets in a time-limited worker sandbox. See how the playground captures console, result, error, and timeout output locally.

  

• HTML to DOCX in JavaScript: The Serialization Step

  Published 2026-08-08

  Serializing HTML as a JavaScript string is the first step in any HTML-to-DOCX workflow. The HTML to JavaScript Converter emits a copy-ready const.

  

• How to Convert an IPv4 Address to IPv6 on Android

  Published 2026-08-08

  Convert an IPv4 address to its RFC 4291 IPv4-mapped IPv6 form on Android. Get mixed, compressed hex, and expanded notations in your browser.

  

• How to Convert a Binary IP Address to Decimal

  Published 2026-08-08

  Convert a binary IPv4 address to its exact unsigned 32-bit decimal integer using base-256 octet weighting, strict validation, and no network calls.

  

• How to Base Convert IEEE 754 Floating Point

  Published 2026-08-07

  Inspect sign, exponent, fraction, and hex for IEEE 754 binary32 and binary64. Encode decimals and decode exact bit patterns locally in your browser.