Free tools for accessibility, security, and document audio.

Browse all website security checks together, including email, TLS, DNS, ports, and headers.

Inspect your domain’s DMARC policy, SPF TXT record, and MX records for common email authentication gaps.

Inspect a live TLS certificate’s dates, issuer, hostname coverage, negotiated protocol, and expiration countdown.

Probe common web, database, and admin TCP ports from our server to identify potentially exposed services.

Look up A, AAAA, CNAME, MX, TXT, NS, and CAA records using our resolver, with configuration tips.

Evaluate HSTS, CSP, X-Frame-Options, and Referrer-Policy with instant copy-paste Nginx, Apache, Caddy, and Cloudflare configs.

Paste raw X.509 certificate strings or CSR blocks to decode fields, algorithms, and key sizes instantly.

Inspect your SPF TXT record for common syntax issues, +all risks, and direct DNS lookup mechanisms.

Trace full 301/302 HTTP/HTTPS redirect chains, detect ERR_TOO_MANY_REDIRECTS loops, and flag insecure downgrade hops.

Check a public IPv4 address or a domain’s first A-record IP against DNS-based lists including Spamhaus, Barracuda, and SpamCop.

Inspect URL patterns, redirects, and domain signals. This heuristic check does not use a malware reputation feed.

Run a free WCAG-oriented website scan and review machine-detectable accessibility issues with evidence, severity, and practical next steps.

Check whether website text, buttons, links, and interface states may have contrast problems that affect readability.

Test foreground and background colors with a WCAG contrast ratio calculator for normal text, large text, UI components, and AAA targets.

Find images, icons, and functional graphics that may need better text alternatives for screen readers and accessibility reports.

Scan pages for form controls, search fields, checkboxes, radios, and submission controls that may be missing accessible labels.

Check for ARIA patterns that may conflict with semantic HTML, accessible names, roles, or assistive technology expectations.

Review heading hierarchy issues that affect screen reader navigation, content scanning, and SEO-friendly page structure.

Check for interaction patterns that may create keyboard traps, weak focus visibility, or inaccessible controls.

Scan Shopify storefront pages for common accessibility issues across product content, forms, navigation, images, and checkout-adjacent flows.

Scan WordPress pages for accessibility issues caused by themes, plugins, page builders, images, forms, navigation, and content structure.

Upload a PDF for a free online accessibility preflight that checks for tags, document language, title metadata, bookmarks, forms, and other structural signals.

Prepare a practical accessibility statement workflow by scanning your website, collecting evidence, and writing honest next steps.

Give visitors reading, color, and page appearance controls on a verified website.

Audit public pages in depth and review route-level findings in your workspace.

Connect the CLI to a repository or CI workflow and review source-level issues.

Read a PDF aloud, preview a selected passage, and make a downloadable MP3.

Read a DRM-free EPUB aloud, preview a chapter, and make a downloadable MP3.

Turn a text-based PDF into an audiobook MP3 with an English neural voice.

Turn a DRM-free EPUB into an audiobook MP3 with an English neural voice.