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Hash to clear text :

String to hash :

"18bde7a56abe86c27c2cfd1c1fde9c06" = md5("$1$sRJ4VE3u$j7HEN4YA1iIdACm1oCVR")

Latest successfully returned MD5

An API is available to query the aggregated databases

Call the url http://md5.noisette.ch/md5.php?hash=<the_md5_hash_here>[&onlylocaldb][&skiplocaldb]
Response example for MD5 hash found, for example http://md5.noisette.ch/md5.php?hash=2a0231531bc1a7fc29e2fa8d64352ae9 : 
<md5lookup>
  <hash>2a0231531bc1a7fc29e2fa8d64352ae9</hash>
  <string>noisette</string>
</md5lookup>
Response for MD5 hash *not* found, for example http://md5.noisette.ch/md5.php?hash=11111111111111111111111111111111 : 
<md5lookup>
  <error>
    No value in MD5 database for this hash.
  </error>
</md5lookup>
Response for MD5 hash *not* found, for example http://md5.noisette.ch/md5.php?hash=1 : 
<md5lookup>
  <error>
    The string provided is not a true MD5 hash. Please try again.
  </error>
</md5lookup>
This small application query the following reverse MD5 databases :