AI · alternatives · 2026

24 alternatives to WaveSign

Tamper-evident file authentication for images and PDFs

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Make Your PDF Look Scanned▲607

   Make your PDFs look scanned and add wet signatures - 100% client-side, no server uploads. Your documents never leave your device. Free to use, upgrade to PRO for unlimited access.

   2020 · scanyourpdf.com · its alternatives →

2. 2
   open-pdf-sign▲105

   Open-source tool for digitally signing PDFs

   2022 · openpdfsign.org · its alternatives →

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

   Enterprise-Level Document Signing Goes Open-Source

   2023 · opensignlabs.com · its alternatives →

4. 4
   Image Sign ▲12

   Secure your digital images with cryptographic signatures

   2025 · its alternatives →

5. 5
   signyourpdf▲12

   Secure PDF signatures with blockchain. Fast & reliable.

   2025 · signyourpdf.net · its alternatives →

6. 6
   TamperProof▲2

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

   Nov 2025 · dashboard.tamperproof.co · its alternatives →

7. 7
   Just sign PDF▲82

   Sign your PDF locally without uploading it to any server

   2023 · its alternatives →

8. 8
   DocuSec▲65

   Simplest secure sign documents

   2022 · its alternatives →

9. 9
   Blocknify▲71

   Sign sensitive documents without sacrificing your privacy.

   2018 · its alternatives →

10. 10
    PDF Signify▲18

    Sign PDFs easily with a digital certificate multiple times

    2024 · pdfsignify.com · its alternatives →

11. 11
    Document eSign▲56

    Cloud based platform for electronic signatures

    2021 · documentesign.com · its alternatives →

12. 12
    PDF Ghost▲2

    Invisible forensic watermarks to trace PDF leaks instantly

    Mar 2026 · pdfghost.com · its alternatives →

13. 13
    SignifyPDF▲2

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

    Jun 2026 · signifypdf.com · its alternatives →

14. 14
    Sign PDF - Digital signature▲6

    Sign PDF documents with realistic hand-drawn signatures

    Mar 2026 · play.google.com · its alternatives →

15. 15
    MyPDFSign▲7

    Free, fast, and private online PDF signature tool

    2025 · its alternatives →

16. 16FP
    Free PDF signing over email▲16

    2016 · signandreturn.com · its alternatives →

17. 17
    Sign PDF. Add real handwritten signature▲6

    The only PDF signing tool for adding real signature to PDF

    Jul 2026 · sign-pdf.online · its alternatives →

18. 18
    Secure Document Watermarking▲6

    Protect your documents with high-visibility watermarks

    2025 · filigrane.io · its alternatives →

19. 19
    A simple tool to sign Docs & images▲10

    Sign you doc, pdf & images

    2025 · its alternatives →

20. 20
    PDFlastica▲9

    Sign PDFs offline with typed and drawn signatures

    Jul 2026 · garmahis.com · its alternatives →

21. 21
    usigndoc: pdf signature▲8

    Scan&Sign Adobe document

    2024 · apps.apple.com · its alternatives →

22. 22
    UsefulPDF Signature Creator▲8

    Create free electronic signature for signing document online

    2021 · hellobonsai.com · its alternatives →

23. 23
    Pdf Sign by Doctual▲5

    Electronically sign documents for free.

    2018 · its alternatives →

24. 24
    LocalSign▲7

    Free PDF editor and signer that runs in your browser

    Jun 2026 · localsign.infrays.org · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →