jack.he

Generate passwords, calculate hashes, encode and decode data, encrypt text.

自动检测和转换网页编码，支持多种编码格式

Capture, edit, and record locally. Export PNG/PDF or WebM/MP4 when supported. No uploads.

A visual IndexedDB management tool with database tree, table view and JSON view, supporting data inspect, edit, export and full…

Powerful magnifying glass, eyedropper and color picker for web pages

Powerful mouse gesture extension with advanced gesture recognition

Local developer tool: detect JSON, HTML, JavaScript, CSS, and XML to read, search, format, minify, validate, and convert.

joyTab JoyTab: smart search, bookmark management, wallpapers, widgets, and mini games for a clean and efficient new tab.

Spoof browser location for privacy and testing. Pick cities or coordinates, save presets, replay GPX routes, and set per-site rules.

Local AI creation extension for image, video, and text APIs with sessions and results saved in IndexedDB.