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Use AI safely with UnblockDevs — a powerful toolkit to mask sensitive JSON and SQL data before sending it to AI, fix broken or stringified JSON, unpack messy logs, and decode JWT tokens instantly. Perfect for developers working with APIs, debugging logs, and handling sensitive data. Everything runs 100% in your browser with zero uploads, so your code and data stay private while you clean, parse, format, and analyze it. | FakeTools (https://www.faketools.in) is a free developer toolkit for generating realistic test data instantly — no signup required. Create a real disposable email inbox, generate fake identities, secure passwords and UUIDs in seconds. Built for developers, QA engineers and privacy-conscious users who need test data without using their real information. |
JSON masking for sensitive fields, SQL table and schema name masking, AI-safe prompt preparation, JSON parse error fixer, Stringified JSON unpacker, Nested JSON parser, API response formatter, Log unpacker and analyzer, JWT decoder and security analyzer, Schema-based data masking, Automatic dummy data replacement, Restore original values after masking, JSON beautifier and formatter, SQL formatter and query cleaner, Secure client-side processing, Works directly in browser with no uploads, Developer-friendly debugging tools, Supports large API responses and logs, Privacy-first processing with zero data storage, Fast one-click copy and export tools | Disposable Email Generator, Fake Identity Generator, Password Generator, UUID Generator, Real Mail Server (Postfix + Dovecot), No Signup Required, No Data Stored, Privacy Focused, Mobile Friendly, Free Forever, Instant Generation, HTML Email Support, OTP & Verification Email Support, Session Extend Option, Multiple Tool Support |
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Litmus is a testing service for web and marketing professionals. It allows people to cross-browser test their websites, and test their email newsletters across a range of email clients and spam filters.

Email on Acid is the most affordable, self-serve email testing platform in the world. We can help you maximize the success of your email marketing efforts by diagnosing and improving your renderability, deliverability, click-throughs and conversions.

We offer one platform that covers all email-related needs in one place: testing, sending, and in-depth tracking to control how email infrastructure works and performs.

Disposable email and fake email capture for QA and development teams

Mailinator is a disposable email service that allows QA departments to test with 1000's of inboxes.

Precogs AI is an AI-native code security platform designed to detect real, exploitable vulnerabilities with high precision and minimal false positives. In addition to code security, it extends to binary analysis and data protection, helping teams secure applications across the entire development lifecycle. By leveraging deep semantic analysis and neural-symbolic reasoning, Precogs AI enables developers to reduce noise, prioritize real risks, and fix vulnerabilities faster within CI/CD pipelines.

BChat is a decentralized, privacy-focused messaging app designed for secure communication without requiring phone numbers or email addresses. It uses end-to-end encryption and a distributed node network to minimize metadata exposure while enabling anonymous, reliable messaging.

Is a free, open-source SMTP testing tool built with Go and Vue. It provides a modern web UI for viewing and testing emails, and includes a REST API for integration testing.
The simplest way to authenticate, with modern security standards.

Get SOC 2, GDPR, HIPAA, and ISO certified with expert guidance and the job done for you. Open-source compliance management platform with no vendor lock-in. Backed by Y Combinator. Probo is a compliance automation platform designed to take the complexity out of cybersecurity governance, risk, and compliance (GRC). Instead of managing spreadsheets and chasing colleagues for evidence, security teams can centralize their entire compliance program in one intuitive workspace.