Free tool

IRCC File Checker

Drag in any file for an instant pass/fail against IRCC's own rules, format, size, and (heuristically) hidden form fields that can break merging.

Files never leave your browser. Everything above runs locally, nothing is uploaded to a server.

How it works

Quick answers about this tool.

Does this upload my file anywhere?

No, every check runs locally in your browser with JavaScript. Nothing is sent to a server.

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Fix an oversize fail by compressing the PDF under 4 MB.

Combine supporting docs once each file passes the checks.

Clear hidden field issues that block merging IMM forms.

Which file types IRCC accepts for online uploads.