CoverSentry
Free tool that scores whether a cover letter reads as AI-written, plus a humanizing writer and CV builder.
What it does
CoverSentry uses a fine-tuned BERT model to estimate whether a cover letter appears human-written, mixed, or AI-generated. It also offers a tailored cover-letter writer and a free CV builder, and processes uploads in memory without storing them.
How to use: Simply upload or paste your cover letter, and our model will instantly analyze your input. The scans are free of charge, no account needed. CoverSentry has aimed to make the service as straightforward as possible.
Core features
AI-content detection for cover letters
Human/mixed/AI probability score
Tailored cover letter writer
Free CV builder
Resume examples
In-memory processing (no storage)
PDF, DOCX, RTF and TXT support
Best for
→Checking if a letter looks AI-written
→Making letters sound more human
→Building a resume
→Passing employer AI screening
Toolspool rankingby monthly traffic