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TOOLS

Build the fixture. Measure the change.

Use a complete fictional testing workflow: define an expected outcome, create a marked input, check the batch and compare your application's output. The tools are free and run locally without an account.

Build and score OCR fixtures

Original images, known text and paired error-rate reports.

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Start with an expected result

Build a QA scenario pack

Eight case types, an explicit reference date, expected issue fields and a downloadable checklist.

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Check a dataset

Inspect up to 200 JSON or CSV records for common-field errors and duplicate test IDs.

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Compare JSON outputs

See additions, removals and changed values or types by their paths.

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Create or inspect an individual input

Fictional test-data generator

Create 1–100 marked records with missing-field, expiry and date-order cases.

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Check-digit calculator & validator

Inspect the 7–3–1 arithmetic for one data element.

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Fictional record validator

Check required fields, calendar dates and permanent test labels.

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Before entering data

Use fictional values only. These utilities do not upload or persist inputs, but private information can still be exposed by browser extensions, shared screens or downloaded files. Complete identity-document MRZs are outside the tool's scope. No tool authenticates a real document or person.

CONTINUE EXPLORING

Generators

Fake generator: choose a useful test asset

Original field note / 001

Two different inputs. The same check digit.

Privacy

Use fictional inputs. Keep them local.