Alternatives

Products that do what WaveSign does

Tamper-evident file authentication for images and PDFs

1. 1FM
   FalsiScan – Make it look like a PDF has been hand signed and scanned▲770

   2020 · gitlab.com

2. 2
   open-pdf-sign▲105

   Open-source tool for digitally signing PDFs

   2022

3. 3
   OpenSign™: Open Source DocuSign & more▲109

   Enterprise-Level Document Signing Goes Open-Source

   2023

4. 4
   TamperProof▲2

   Beyond Detection: See Who Edited What, Where, and When.

   Nov 2025 · dashboard.tamperproof.co

5. 5SV
   Seal – Verifiable timestamp for your private ideas▲113

   2022 · docs.planet.ink

6. 6
   Blocknify▲71

   Sign sensitive documents without sacrificing your privacy.

   2018

7. 7
   PDF Ghost▲2

   Invisible forensic watermarks to trace PDF leaks instantly

   Mar 2026 · pdfghost.com

8. 8
   Scan & Sign: PDF Scanner▲6

   Fast document scanning and signing. Multi-page & signatures.

   2025

9. 9
   SignifyPDF▲2

   100% private, free, local-first PDF signer in your browser

   Jun 2026 · signifypdf.com

10. 10
    Sign PDF - Digital signature▲6

    Sign PDF documents with realistic hand-drawn signatures

    Mar 2026 · play.google.com

11. 11
    MyPDFSign▲7

    Free, fast, and private online PDF signature tool

    2025

12. 12
    Sign PDF. Add real handwritten signature▲6

    The only PDF signing tool for adding real signature to PDF

    Jul 2026 · sign-pdf.online

13. 13
    PDFlastica▲9

    Sign PDFs offline with typed and drawn signatures

    Jul 2026 · garmahis.com

14. 14
    LocalSign▲7

    Free PDF editor and signer that runs in your browser

    Jun 2026 · localsign.infrays.org

15. 15
    SealZero▲6

    Zero-knowledge proofs for authentic, privacy-safe images

    Jan 2026 · sealzero.dev

16. 16
    SealDoc — independently verifiable▲3

    Compliance infrastructure for legally provable documents

    Jul 2026 · sealdoc.eu

17. 17
    Dochives▲8

    Sign documents securely in seconds with a full audit trail

    Mar 2026 · dochives.com

18. 18
    SignPDF.fit▲5

    Sign a PDF in seconds — no account needed

    Jan 2026 · pdf.fit

19. 19
    PDF Verified▲3

    secure signature and stamp platform

    Jul 2026 · pdfverified.com

20. 20
    XERIA▲8

    Secure, personalize, send and trace PDF documents

    Jul 2026 · xeriasoft.com

21. 21
    Signature Detection API▲7

    Detect and locate signatures in documents with high accuracy

    Nov 2025

22. 22
    EasyPDFSign▲1

    Free PDF tools for signing, editing, and managing documents

    6d ago · easypdfsign.com

23. 23
    Quick PDF Sign▲2

    Sign PDFs free — no uploads, no account, 100% private

    Jun 2026 · quickpdfsign.com

24. 24
    SignFile▲4

    Send, sign, and verify legally-binding signatures. No credit card. Built for individuals, freelancers, and small teams.

    Jul 2026 · signfile.io

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