Verify a claim, an image, a domain, or a person yourself

Look up a domain's registration date, registrar, and ownership via RDAP. Useful for spotting freshly-registered look-alike domains.

How long has this URL existed on the public web? See first/latest snapshots and the total archived count.

A / AAAA / MX / TXT / NS records over DNS-over-HTTPS. Hostname → IPs and mail servers without a local resolver.

Certificate transparency log entries. See every TLS cert ever issued for a domain — handy for catching impostor sub-domains.

Fetches a URL and parses CSP, HSTS, X-Frame-Options and similar security headers — diagnose hardening gaps or impersonations.

Has this email appeared in known breaches? Free check via the official Have I Been Pwned site.

Free-form web search via Brave. Useful for surfacing recent press coverage, statements, or public mentions of a name, organization, or topic. Independent of Google's index; no tracking.

Open URLVoid and ScamAdviser side-by-side — community + technical signal aggregators for whether a domain has shown up in scam reports.

Open BuiltWith's tech-stack profile for a URL — see CMS, analytics, payment, hosting, and ad-tech fingerprints.

Open Google's cached snapshot of a URL — useful when the live page is down or has been quietly edited.

Read camera, GPS, timestamp, and software metadata embedded in a JPEG/HEIC. The image never leaves your browser.

Check an image for C2PA provenance — origin, edit history, AI-generation manifest. Verification on the C2PA reference site.

Read author, creator software, creation/modification dates, and producer hints from a PDF. The file never leaves your browser.

Decode a Twitter Snowflake ID (from a tweet URL or numeric user ID) into a precise account/tweet creation time — no API needed.

See where a username is registered across hundreds of services. Deep-links to namechk.com.

Account age, karma, verified-email status, and recent activity for any public Reddit user.

Account age, public repo count, follower count, location, and recent activity for any public GitHub user.

Browse a Twitter/X user's archived threads on Thread Reader — useful when a tweet is later deleted.

Open the Substack publication directly (`{name}.substack.com`) plus Substack's own search — handy for discovering newsletters, archives, and writers.

Resolve a Mastodon handle (`@user@instance`) via the instance's public API — account creation date, post count, follower count, header URL.

Resolve a YouTube channel handle (`@name`), legacy username, or channel ID and surface creation date, subscriber count, and video count from the channel page.

Open Ghostarchive snapshots of a URL — a Wayback alternative that captures tweets and Reddit pages the Internet Archive sometimes can't.

Deep-link to your state's official voter-registration verification site. Covers CA, FL, TX, RI, MA. State agency runs the check on its own site — TruthMark never sees your input.

Property records are maintained at the county level. This guide deep-links to each state's portal and explains how to find the right county assessor's site.

Open Newspapers.com obituary search, Tributes.com, and Legacy.com side-by-side for a name. Public newspaper obituaries only.

Build a LinkedIn search URL from a person's name and current employer. The search runs on LinkedIn — they enforce their own access rules.

Open AAE Speakers, Harry Walker Agency, and Capitol Speakers Network simultaneously to see who's paid to give which speeches — a useful conflict-of-interest signal.

Pick a topic — general / child welfare / financial / journalism — and get a structured open-ended question framework to interview a human source. Educational tool, not a data lookup.

A 5-point assessment framework to evaluate any human source: identity verifiability, track record, motive, corroboration, and contemporaneous evidence.

Pick a federal agency, describe what records you want, and get a properly-formatted FOIA letter ready to copy-paste. Follows foia.gov template guidance.

Approximate city, region, country, ASN, and ISP for an IPv4/IPv6 address.

Convert lat,lng coordinates into a human-readable address using OpenStreetMap.

Open Google Images, TinEye, Yandex, and Bing Visual Search in four tabs at once for the same image URL.

Run text through TruthLens (TruthMark's Chrome-extension product) for AI-generation likelihood scoring.

Look up a news outlet's editorial bias, factual rating, and ownership on Media Bias / Fact Check.

Open Hive Moderation's free public AI-image detector — drop your image into Hive's site for a generation-likelihood score.

Search Snopes, PolitiFact, FactCheck.org, AP Fact Check, and Reuters Fact Check side-by-side in five tabs.

Check a URL against Google Safe Browsing's malware/social-engineering/unwanted-software lists.

Search the global ClaimReview corpus — claims fact-checked by IFCN-aligned outlets — for matches to a piece of text.

Check a name, entity, or alias against the U.S. Treasury OFAC Specially Designated Nationals list.

Search FDA, USDA, CPSC (consumer products), and NHTSA (vehicles) recall databases side-by-side. The four agencies cover almost every recall category in U.S. commerce.