FREE ONLINE TOOLS
Security Tools
Security utilities for hashes, passwords, headers, ciphers, policies, tokens, prompt injection, and safe technical values. The listed tools are indexable, linked from FastTool hubs, included in sitemap, and exposed in machine-readable discovery files.
PUBLIC SECURITY INDEX
19 Security tools
AI Agent Permission Firewall Builder Security
Paste AI agent tools, scopes, actions and data sources to generate a least-privilege permission matrix, approval gates, policy YAML/JSON, audit plan, test plan and JSON receipt.
Open toolAI Data Leak Canary Studio AI Leak Canary
Generate safe fake canary markers for AI, RAG, agent memory and vendor upload leaks. Export marker ledger, detection regex, SVG map, runbook, YAML policy and JSON receipt.
Open toolAI Vendor Risk Packet Builder Security
Paste redacted AI vendor answers, DPA terms and deployment plans to build a security risk ledger, approval gate, vendor questions, email, SVG board, CSV, Markdown and JSON receipt.
Open toolCSP Header Generator Security
Build a Content Security Policy header from allowed sources, preview directives, copy the policy, and review common breakage risks.
Open toolDependency Exploit Command Center OSV + KEV + EPSS + CI
Paste package.json, requirements.txt, go.mod, Cargo, Maven or CycloneDX dependencies and build an exposure-aware patch command center with OSV, CISA KEV, FIRST EPSS, patch waves, CI policy, GitHub issue packet, SVG, CSV, YAML, Markdown and JSON receipt.
Open toolEmail Authentication Forensics Studio Security
Paste redacted DNS and Authentication-Results snippets to analyze SPF, DKIM, DMARC, ARC, BIMI, alignment, bulk-sender readiness, provider questions, SVG board, CSV, Markdown and JSON receipt.
Open toolGitHub Actions Supply-Chain Firewall Security
Analyze GitHub Actions workflow YAML for CI/CD supply-chain risks and export a hardening packet with SVG, CSV, policy, patch queue, Markdown brief and JSON receipt.
Open toolHash Generator (SHA/MD5) Security
Generate hashes from text or files in the browser, compare checksums, and copy MD5, SHA-1, SHA-256, SHA-384 or SHA-512 output.
Open toolHMAC Generator Security
Generate HMAC-SHA256, SHA384 or SHA512 signatures from sample messages and keys in the browser for API and webhook verification.
Open toolInbound Acquisition Email Forensics Lab Security
Paste a redacted website acquisition, partnership or investor email to inspect sender identity, domain/link alignment, header clues, data-access asks, buyer-process gaps, safe reply questions, evidence ledger, SVG trust map, CSV and JSON receipt.
Open toolJob Offer Scam Triage Lab Security
Paste a redacted job offer, recruiter email or freelance DM to build a scam-risk triage packet with red flags, verification plan, safe reply, report packet, SVG, CSV and JSON receipt.
Open toolOAuth Redirect URI & PKCE Attack Surface Lab Security
Analyze redacted OAuth/OIDC client configs for wildcard redirects, open redirect parameters, missing PKCE/state, implicit flow, risky origins and custom scheme collisions.
Open toolPassword Strength Checker Security
Estimate password strength in the browser, flag common patterns, compare length and character variety, and copy a safe improvement note.
Open toolPrompt Injection Defense Arena Security
Play through AI-agent security scenarios, flag hostile instructions, harden the handling policy, and export acceptance tests as a JSON proof receipt.
Open toolPrompt Injection Scanner Security
Scan prompts, retrieved snippets and agent handoffs for prompt-injection patterns, unsafe tool requests and instruction override risk.
Open toolRental Listing Scam Triage Lab Security
Paste a redacted rental listing, landlord message or payment request to build a rental scam-risk triage packet with verification plan, safe reply, report packet, SVG, CSV and JSON receipt.
Open toolSaaS Tenant Isolation Leakage Lab Security
Analyze redacted SaaS API, database, cache, search, queue and storage surfaces for cross-tenant data leak risk.
Open toolSecure Password Generator Security
Generate browser-local random passwords, choose length and character groups, compare strength notes, copy one password or create a batch without signup.
Open toolWebhook Replay & Idempotency Failure Lab Security
Analyze redacted webhook delivery logs for replay windows, stale signatures, missing idempotency keys, duplicate side effects, retry storms and out-of-order event chains.
Open toolQuality boundary
Use these tools for browser-first drafts, calculations, receipts, and exportable artifacts. For money, safety, legal, medical, regulated, or production-critical decisions, verify the output before acting.