Verify PDF Signature
Check whether signed bytes of a PDF are intact and see who signed it.
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About Verify PDF Signature
Verify PDF Signature checks whether the signed parts of a digitally signed PDF are still intact, and shows the signer's certificate details. It helps you confirm that a contract, certificate or official letter hasn't been altered after signing.
Key features
- Checks the integrity of signed byte ranges
- Shows signer name, date and certificate details
- Flags documents modified after signing
- File is checked securely and deleted afterwards
Good to know
This checks digital (certificate) signatures, not signature images. This is a Pro tool.
پی ڈی ایف ڈیجیٹل دستخط کی تصدیق
یہ ٹول چیک کرتا ہے کہ ڈیجیٹل دستخط والی پی ڈی ایف دستخط کے بعد تبدیل تو نہیں ہوئی، اور دستخط کنندہ کی تفصیل دکھاتا ہے۔
- معاہدوں اور سرٹیفکیٹس کی تصدیق
- صرف سرٹیفکیٹ والے دستخط کے لیے
- یہ ایک پرو ٹول ہے
How to use Verify PDF Signature
- Drop your file into the upload box, or click it to choose a file from your device.
- Adjust the Verify PDF Signature options shown under the upload box.
- Press the action button and wait for the progress bar to finish.
- Check the preview or summary, then press Download to save the result.
Frequently asked questions
What happens to my file?
This conversion needs server software, so your file is sent over HTTPS to our server, processed in a private temporary folder, returned to you and deleted immediately afterwards. It is never shared or used for training.
Is it free?
Yes. All tools are free to use without an account.