Redaction Analyzer

A featured solution from 

Redaction Identification in Image-Based eDiscovery Productions 

Redaction Analyzer from ESI Laboratory provides lawyers and litigation support professionals with the ability to identify each and every redaction in image-based eDiscovery productions in a matter of hours. Secure, user-friendly, highly automated and scalable, Redaction Analyzer can be run against both inbound and outbound productions, and identfies a variety of redaction formats (including unlabeled black box redactions and text-based redactions).

Results are used to identify redacted documents produced prior to receipt of applicable redaction/privilege logs as well as to test the veracity of such logs once received. In addition to operating on a standalone basis, the Redaction Analyzer seamlessly interfaces with most major document review platform databases via its ability to generate an overlay file in industry standard load file formats.

Additional capability is provided by the Redaction Analyzer’s advanced redaction black-line capability, which provides users with the ability to identify deletion of redactions in the event of a subsequently amended production. Easy to use built-in quality control tools also provide the ability to quickly identify and exclude false positives.


  • Verify redaction logs on rolling productions

  • Export report/load file 

  • Identify un-redacted documents associated with amended redaction lists

  • Analyze ~100K pages/hour

  • Identify and remove redaction artifacts prior to OCR

  • Compare multiple productions





Markets Served

Redaction Analyzer from ESI Laboratory is useful in any environment where identifying large volumes of redacted content is required. Leading legal firms rely on Redaction Analyzer in their ediscovery productions.

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