Developer Utilities

Tracking since Apr 1, 2026.

Changelog

• May 16, 2026
  description

  Version update content:
  1. Fixed the issue of displaying NaN when converting timestamps to date and time using a timestamp conversion tool
  2. The layout has been modified to fully place functions in the sidebar, no longer using pop-up boxes
  3. Partial detail style adjustment
  ~~~
  This extension provides several commonly used development tools, including:
  1. Random string generation, which can be used to generate strong passwords, keys, and other scenarios
  2. A timestamp conversion tool that can be used to convert timestamps to date times or date times to timestamps
  3. QR code generator, which can be used to generate QR codes and supports adjusting parameters such as content, color, and fault tolerance level
  4. Hash tool, generating md5 and sha1 hash values, as well as encoding and decoding base64 and URL
  5. JSON text formatting tool that can format JSON text
  6. Cron expression parsing tool, which can parse cron expressions and display the next 10 execution times of this expression
  7. Browser proxy configuration tool, which can configure the proxy used by the browser

  What's New:
  
  1. Added image converter plugin supporting JPEG/PNG/GIF conversion with size adjustment.
  2. Refactored API tester to OpenAPI-based project management with collection and import/export.
  3. Optimized plugin loading and API test request performance.
  4. Added sidebar collapse and icon display.
  5. Improved mobile layout with tab page support for opening extension.
  6. Fixed panel initial loading and layout overflow issues.
  ~~~
  Features:
  
  1. Random String - Generate random strings with custom character sets and length.
  2. Timestamp Converter - Convert between timestamps and datetime with ms/s precision.
  3. Hash & Encode - MD5/SHA1/SHA256 hashing and Base64/URL encode/decode.
  4. JSON Formatter - JSON formatting, compression and syntax highlighting with validation.
  5. QR Code Generator - Generate QR codes with custom size, colors and error correction.
  6. Cron Expression - Parse cron expressions and show upcoming execution times.
  7. Image Converter - Convert between JPEG/PNG/GIF with adjustable size and quality.
  8. M3U8 Video - Detect and download M3U8 video streams.
  9. Remote File Manager - Manage remote files via WebDAV and S3 protocols.
  10. API Tester - OpenAPI-based HTTP API testing tool.

• May 16, 2026
  host_permissions

  (empty)

  <all_urls>

• May 16, 2026
  permissions

  contextMenus, sidePanel, storage, proxy

  contextMenus, sidePanel, storage, scripting

Permissions & access

Permissions

contextMenussidePanelstoragescripting

Host access

<all_urls>

Screenshots

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