ZeroWebTools Companion

Tracking since May 30, 2026.

Changelog

• Jun 12, 2026
  description

  ZeroWebTools is a lightweight, 100% offline developer toolbelt right in your browser toolbar. All data transformations are processed locally in your browser context using client-side JavaScript. No data is ever sent to external servers, ensuring absolute privacy for sensitive credentials, API keys, and code blocks.
  
  🚀 Six Essential Offline Tools in One Popup:
  
  1. JSON Formatter & Tree Explorer: Paste raw JSON to validate it, pretty-print it (with collapsible arrays and objects), or minify it instantly.
  2. Side-by-Side Diff Checker: Compare two blocks of code or text files inline to highlight additions, deletions, and line-level changes.
  3. JWT Debugger & Decoder: Instantly inspect JSON Web Tokens. Decode headers, payload claims, and validate expiration times securely offline.
  4. Case Converter: Transform naming conventions between camelCase, snake_case, kebab-case, and PascalCase instantly.
  5. Base64 Cipher: Encode strings to Base64 or decode hashes back to readable plain text.
  6. URL Encoder/Decoder: Clean percent-encoding from URL parameter strings and format query strings.
  
  🔒 Privacy-First Design:
  
  - Zero tracking scripts.
  - Zero server communication.
  - Runs completely offline in sandbox memory.
  
  💡 Want more developer utilities?
  
  Check out our full suite of 43+ free online developer, PDF, image, and financial modeling tools at:
  👉 https://zerowebtools.com/

  🚀 VERSION 0.1.2 UPDATE - ZERO WEB TOOLS COMPANION! We’ve evolved from a simple Dev Tools extension into the official ZeroWebTools Companion! This extension acts as a secure local bridge between your browser and our web platform, unlocking powerful new tools like the Smart Article Reader, Advanced API Testers, and cross-origin utilities.
  
  🔒 Privacy Notice regarding new permissions: To unlock these advanced web utilities, Chrome requires us to request "Read and change all your data on all websites" permissions. This permission is strictly used locally as a bridge—allowing our tools to bypass strict browser CORS restrictions to fetch content, test APIs, and extract formatting on your behalf. We are 100% private: we do NOT track, record, or sell your browsing history, and your data never leaves your device.
  
  ZeroWebTools is a lightweight, 100% offline developer toolbelt right in your browser toolbar. All data transformations are processed locally in your browser context using client-side JavaScript. No data is ever sent to external servers, ensuring absolute privacy for sensitive credentials, API keys, and code blocks.
  ---------------------------------------------------------------------------------------------------------------------------------------------------------
  🚀 Six Essential Offline Tools in One Popup:
  
  1. JSON Formatter & Tree Explorer: Paste raw JSON to validate it, pretty-print it (with collapsible arrays and objects), or minify it instantly.
  2. Side-by-Side Diff Checker: Compare two blocks of code or text files inline to highlight additions, deletions, and line-level changes.
  3. JWT Debugger & Decoder: Instantly inspect JSON Web Tokens. Decode headers, payload claims, and validate expiration times securely offline.
  4. Case Converter: Transform naming conventions between camelCase, snake_case, kebab-case, and PascalCase instantly.
  5. Base64 Cipher: Encode strings to Base64 or decode hashes back to readable plain text.
  6. URL Encoder/Decoder: Clean percent-encoding from URL parameter strings and format query strings.
  
  🔒 Privacy-First Design:
  
  - Zero tracking scripts.
  - Zero server communication.
  - Runs completely offline in sandbox memory.
  
  💡 Want more developer utilities?
  
  Check out our full suite of 43+ free online developer, PDF, image, and financial modeling tools at:
  👉 https://zerowebtools.com/

• Jun 12, 2026
  short_description

  Free developer utility tools: JSON formatter, case converter, and more. All processing runs locally in the browser.

  Companion extension for ZeroWebTools. Extract clean articles, test APIs, and run local utilities. 100% private, no tracking.

• Jun 12, 2026
  name

  ZeroWebTools - Developer Utilities

  ZeroWebTools Companion

• Jun 12, 2026
  host_permissions

  (empty)

  <all_urls>

• Jun 12, 2026
  permissions

  (empty)

  unlimitedStorage, contextMenus, activeTab, declarativeNetRequest, declarativeNetRequestWithHostAccess

Permissions & access

Permissions

unlimitedStoragecontextMenusactiveTabdeclarativeNetRequestdeclarativeNetRequestWithHostAccess

Host access

<all_urls>

Screenshots