DataMask.tech - Mask private data before taking screenshots
Surge for Mac - Advanced Web Debugging Proxy for Mac & iOS
Image Blur - Hide your sensitive data with a click
Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
GitGuardian - Detect secrets in source code, public and private!
HTTP Toolkit - Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.