World's Largest MD5 Decryption Database
Cmd5 (cmd5.org) scores 67 out of 100 on Brand Analyzer, placing it in the Developing tier among Technology brands, SaaS brands, in the 17th percentile of 53726 Technology brands.
Cmd5 (cmd5.org) is an online service, founded in 2006, that provides MD5 hash decryption through a large database of precomputed hashes. The site states it holds over 20.408 trillion unique hashes, which it markets as the world's largest such database. Cmd5 is positioned as a tool for developers, security researchers, IT professionals, and individuals who need to decode or verify MD5 hashes quickly.
| Brand Name | Cmd5 |
|---|---|
| Domain | cmd5.org |
| Industry | Technology, SaaS |
| Founded | 2006 |
| Main Competitors | CrackStation (72/100), HashKiller (55/100), MD5Decrypt (72/100), MD5Online (56/100), Hashes.com (76/100) |
Moz Domain Authority 26/100 vs category average 39 / leader 100 - limited third-party links, so AI systems rarely encounter mentions of the brand.
No Wikipedia presence was found - a major gap, since Wikipedia is among the most heavily weighted sources in AI training data.
The homepage meta description reads "Welcome to the project designed to md5 decrypt, This website contains the largest database in the world. We have a total of just over 20.408 trillion unique hashes." (Meta description: 28 words (ideal length). No OG description (falling back to meta)) - this is the summary AI engines are most likely to quote.
Structured data on the homepage: No structured data or Open Graph tags detected. Adding Organization and FAQ schema would further help AI crawlers parse the brand's identity.
AI-crawler access: No robots.txt found (default: all bots allowed, but explicit file preferred) - robots.txt controls whether engines like GPTBot and ClaudeBot can read the site at all.
Detected tech stack: ASP.NET.
Social footprint: verified profiles on X (Twitter), Facebook, Instagram, YouTube, GitHub; no detected presence on LinkedIn - consistent profiles reinforce the brand's identity across the web.
0 Reddit mentions - community discussion signals real-world reputation to AI models.
Live results from asking a general-purpose AI assistant about the brand, checked October 2026.
When asked "What is Cmd5?", Claude could identify the brand as of October 2026. Cmd5.org is a Chinese online tool used for looking up and cracking MD5, SHA1, and other common hash values through precomputed databases, often used to reverse simple password hashes. Best known for online MD5/hash decryption and lookup service.
When asked "Best brands similar to Cmd5?", Claude would recommend Cmd5 as of October 2026. It's one of the most well known Chinese hash-cracking lookup sites, so it's worth mentioning if someone asks about MD5 or hash reversal tools.
Common questions people ask in Google, ChatGPT, Claude, Gemini, Perplexity, and other AI search engines.
Cmd5's main competitors in Technology: CrackStation (72/100), HashKiller (55/100), MD5Decrypt (72/100), MD5Online (56/100), Hashes.com (76/100).
Sources: Brand Analyzer scan
Cmd5 has low AI-search visibility, scoring 16/100 on Brand Analyzer's AI visibility composite (visibility 13, trust 15, recommendation 24). This estimates how likely AI engines like ChatGPT, Claude, Gemini and Perplexity are to know, trust, and recommend the brand.
Sources: Cmd5 official site
Cmd5 was founded in 2006. Cmd5 operates in the Technology category. It is analyzed by Brand Analyzer across seven brand dimensions and AI-search visibility.
Sources: Wikidata
Cmd5 scores 24/100 on Brand Analyzer's AI recommendation signal, indicating it is less likely to be surfaced when AI assistants like ChatGPT suggest Technology options. Recommendation depends on crawlability, structured data, and category authority.
Sources: Cmd5 official site
Cmd5 is an online service, founded in 2006, that specializes in decrypting MD5 hashes by matching them against a large precomputed database. According to the site, this database contains over 20.408 trillion unique hashes, which it describes as the largest such collection available. The service is accessed through the website cmd5.org and is used to reverse MD5 hash values back into their original plaintext when a match exists in the database.
Sources: Cmd5 official site
Cmd5 decrypts MD5 hashes by searching them against its database of over 20.408 trillion unique precomputed hashes. Users submit an MD5 hash value, and the service attempts to find a matching entry in its database to reveal the original plaintext input. This process, often called hash lookup or reverse lookup rather than true decryption, allows users to recover passwords or other data that were previously hashed using the MD5 algorithm, provided the corresponding plaintext exists in Cmd5's stored database.
Sources: Cmd5 official site
Cmd5 can improve AI discoverability by strengthening structured data (Organization and FAQ schema), maintaining an accurate Wikipedia/Wikidata entity, earning authoritative citations, and keeping content crawlable for AI bots. Brand Analyzer measures these as visibility, trust, and recommendation signals.
Sources: Cmd5 official site
Cmd5 is known for operating what it describes as the world's largest MD5 hash database, containing over 20.408 trillion unique hashes. This scale is central to its positioning as a leading tool for MD5 decryption, distinguishing it from smaller competing services that may have more limited databases and therefore lower success rates when attempting to match and reverse MD5 hash values back to their original plaintext form.
Sources: Cmd5 official site
Cmd5 is used by developers, security researchers, IT professionals, and individuals who need to decode or verify MD5 hashes. These users may rely on the service for tasks such as checking data integrity, auditing password security, or recovering plaintext values from hashed data encountered during development or security assessment work.
Sources: Cmd5 official site
Cmd5 scores 16/100 for AI visibility - how well ChatGPT, Claude, Perplexity and Google AI Overviews can discover, identify and cite the brand.
Cmd5 has a weak AI-visibility profile at 16/100 - a proxy for how readily ChatGPT, Perplexity and Google's AI Overviews can recognise and cite it. Its strongest area is recommendation likelihood (24/100) and its weakest is visibility (13/100). It benefits from a Wikidata knowledge-graph entry and open access for AI crawlers (GPTBot, ClaudeBot, etc.). The main gaps holding it back: no clear Wikipedia entity to anchor it in LLM training data, a low Moz Domain Authority of 26/100 and thin schema.org structured data. In a live check, Claude could already identify Cmd5 from memory (October 2026) - a sign these signals are paying off.
The score combines seven dimensions - name quality, digital presence, visual identity, messaging clarity, trust foundation, AI discoverability, and brand authority - into a single objective benchmark.
Ranked closest to Cmd5: Cloud Solutions (67/100), Cloud Retailer (67/100), Command Zero (67/100), Avid CNC (67/100).
A step up - brands to learn from: Zypp Electric (71/100), 作业帮 (Zuoyebang) (71/100).
Category leader: Hostinger (97/100).
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