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AI · March 8, 2026

WaveSign

Tamper-evident file authentication for images and PDFs

WaveSign launched on March 8, 2026 with 2 votes, #5,166 of 23,380 launches that month.

What it does

Invisible file signing and tamper detection for images and documents. Sign any image or PDF with an invisible signature. Share it. Verify it later — any modification, no matter how small, is detected instantly.

Tamper-evident file authentication for images and PDFs. WaveSign embeds an invisible authenticity signal, then verifies whether a signed file still matches its authenticated state.

Does a similar job

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    Sign PDFs easily with a digital certificate multiple times

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