| What it does | Browser extension that stops personal data and secrets reaching AI chatbots
| Not given
|
|---|
| Stage | Startup
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | GB
| US
|
|---|
| Pricing model | Freemium
| Not given
|
|---|
| Pricing | Personal: Free. Team: £3 per user per month billed yearly (from 5 users £4 billed monthly). Business: £6 per user per month billed yearly (coming soon).
| Not given
|
|---|
| Key features | - Runs checks on device with no data sent to Tidewall servers
- Push policies to teams via Google Workspace or Microsoft Intune
- Works with ChatGPT, Claude, Gemini, Copilot, Perplexity, DeepSeek and more
- Support for India-specific data formats including Aadhaar, PAN and UPI
| - Single static binary deployment
- SQLite-based durable state
- Kernel-enforced firewall rules via nftables, iptables or ipset
- Built-in service filters for sshd, web and mail services
- Configurable jail policies with thresholds and escalation
- fail2ban configuration migration support
- Bounded resource limits and memory controls
- Firewall rule inspection and verification
- IPv4 and IPv6 protection
- Threat model documentation
|
|---|
| What makes it different | - All detection runs on your device with no data leaving your browser
- Verifies numbers with checksums to avoid false positives
- No account needed for free personal use
- Team policies are locked for staff and cannot be turned off
| - No Python runtime or database server required - single static binary
- Durable protection state survives restart with SQLite
- Explicit resource limits prevent hostile input from crashing daemon
- Verified kernel enforcement with netlink confirmation
- Native Zig implementation with no regex engine overhead
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 2 ● no change since last check | Not checked yet ● no change since last check |
|---|
| Trust Flow (Majestic) | 3 | 0 |
|---|
| Citation Flow (Majestic) | 17 | 10 |
|---|
| Referring domains (Majestic) | 4 | 21 |
|---|
Tidewall
fail2zig