Alternatives

Products that do what StampThat does

Protect your browser from Identity Theft!

1. 1YS
   Your Social Media Fingerprint (maybe NSFW)▲911

   2016 · robinlinus.github.io

2. 2
   Browserprint▲137

   Are you uniquely identifiable?

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3. 3
   Proofmarked▲154

   Cybersecurity for everyone. Just in time for Black Friday!

   2023

4. 4
   taatoo▲183

   Invisible watermarking to protect your images

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5. 5
   textmark▲140

   Protect your content with an invisible, trackable watermark.

   2017

6. 6
   DropTidy▲121

   Remove sensitive photo data, 100% client-side & zero uploads

   Jan 2026 · droptidy.com

7. 7
   HitPaw Image Watermark Remover▲86

   Remove watermarks from images online easily

   2022

8. 8
   Dynamic Watermarking by DocSend▲77

   Protect your most sensitive documents automatically

   2020

9. 9
   Proof.ink▲100

   Proven immutable data stored on the Steem blockchain

   2019

10. 10
    Stamper▲97

    The easiest way to sign & stamp documents

    2021

11. 11
    PlagiaShield▲118

    Keep your content unique to protect your rankings

    2020

12. 12
    Watermark Image▲80

    Watermark photos.

    2019

13. 13
    Watermark.ink▲112

    Easy way to watermark photos online

    2018

14. 14
    Uniq Stamp - WaterMark▲11

    Protect your images in one click — watermark text or logo

    Oct 2025

15. 15
    Watermarkup▲77

    Watermark 30 photos in seconds without losing image quality.

    2020

16. 16
    txtninja.xyz▲70

    Hide your personal data inside images from those prying eyes

    2019

17. 17
    ID Guard▲6

    Protect id scans with tamper-proof watermarks

    2025

18. 18
    Toolyard▲4

    56 free browser tools — your files never leave your device

    Jul 2026 · gettoolyard.com

19. 19
    Watermark Assistant▲2

    Privacy-first watermarking for ID & doc photos

    Jun 2026 · chromewebstore.google.com

20. 20
    First Release▲8

    Remove watermarks from images online

    2025

21. 21
    ID Watermark▲1

    Visible & invisible photo watermarking. 100% offline.

    23d ago · apps.apple.com

22. 22
    Kitedoc▲10

    Share, track, sign, and protect documents, from one link

    Feb 2026 · kitedoc.com

23. 23EP
    Encrypted private bookmarks for incognito mode on Firefox and Chrome▲9

    I've had issues saving bookmarks on my computer since my girlfriend always uses it. I'm talking about engagement ring related bookmarks, birthday plans related bookmarks, etc. My buddy and I built an extension called Hush that allows you to save them behind a password of your choosing. They're encrypted using SHA-256/AES, and you can export/import them to your liking (in case someone accidentally uninstalls the extension). It only operates in private browsing for security reasons. Check it out and let us know what you think! Chrome link:…

    2013

24. 24
    Smart Watermark Tool▲5

    Watermark photos instantly. 100% client‑side.

    Dec 2025 · smart-watermark.vercel.app

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