Masks personal data in text and files before it reaches ChatGPT, Claude or any AI, then restores it in the reply, running entirely on your own device.
Cost / License
- Freemium
- Proprietary
Since
- Since 2026
Spain
EU
+2
Offsend Alternatives
Apps similar to Offsend include Velum Privacy, which has a free version. Other options are SafePaste AI, Pii Blocker, SOWA Privacy and Safe Privacy Mask. In total there are six Privacy Tools like Offsend for Mac, Linux, the web and self-hosting.
Alternatives list
Automatically mask sensitive data (API keys, PII) locally before pasting into AI chatbots like ChatGPT and Gemini.
Cost / License
- Freemium
- Proprietary
Since
- Since 2026
Thailand
+2
Free Chrome extension that detects and masks personal data (PII) before it reaches ChatGPT, Claude, and Gemini. 100% local processing, no servers.
Sri Lanka
+1
SOWA Privacy is a free, open-source Chrome Extension that anonymizes your personal data in real time — before it reaches any AI platform. 100% on-premise. Zero cloud.
Cost / License
- Freemium
- Proprietary
Since
- Since 2026
Safe Privacy Mask is a free Chrome extension that detects and masks sensitive information directly inside AI chat and web-form input fields before you send it.
Cost / License
- Free
- Proprietary
Since
- New
Japan
34 Arceris AI Security Gateway alternativesSelf-hosted gateway controls access to AI models across browser sessions, APIs and coding assistants. It scans prompts, file uploads and responses, masking sensitive data or blocking requests, while detecting prompt injection and logging events for security monitoring.
Türkiye
+8
