Hem and Haw by Tin Le

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Hem and Haw version history - 24 versions

Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 3.6.0
Released Sep 19, 2025 - 1.44 MB
Works with firefox 109.0a1 and later
- Added clear extension data button
- Updated interface, now has a separate welcome page and survey page
- Now reports referer of hashed transmissions
- New survey item: Have you ever been notified your data has been in a data breach?
- Bug fixes
For prolific users:
- Hem and Haw now reports to us the number (up to 10) of unique domains you visit between daily Prolific heartbeat pings. This is to help determine sufficient usage for weekly bonus payments. If you visit 10 or more unique domains, it will only report 10+, not the exact number.
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Source code released under MIT License
You'll need Firefox to use this extension
Download Firefox and get the extension
Download file
Older versions
Version 3.5.5
Released Aug 16, 2025 - 1.44 MB
Works with firefox 109.0a1 and later
- Now reports browser
Source code released under MIT License
Download file
Version 3.5.4
Released Jul 4, 2025 - 1,014.21 KB
Works with firefox 109.0a1 and later
- Searching for more phone variations
- New privacy-ranking use question
- Prolific heartbeat now also sends number of search items
Source code released under MIT License
Download file
Version 3.5.3
Released Jun 21, 2025 - 1.44 MB
Works with firefox 109.0a1 and later
- Fixed bug where check for third party was not working
- Fixed results downloading and copying bug
Source code released under MIT License
Download file
Version 3.5.2
Released Jun 20, 2025 - 1.44 MB
Works with firefox 109.0a1 and later
- Updated prolific id sending endpoint
Source code released under MIT License
Download file
Version 3.4.0
Released Jun 4, 2025 - 1,008.56 KB
Works with firefox 58.0 and later
- Now you can see the exact plaintext of the hashed PII was sent in your results (but we do not collect this)
- Updates to results graph
Source code released under All Rights Reserved
Download file
Version 3.1.3
Released May 14, 2025 - 963.18 KB
Works with firefox 58.0 and later
- Fixed bug where selected country for phone number would not be retained
- Extra birthday month variations
- Results now cleared when all history is cleared
- Other bugs fixed
Source code released under All Rights Reserved
Download file
Version 3.1.2
Released May 12, 2025 - 887.44 KB
Works with firefox 58.0 and later
Fixed bug where wrong screen showed if extension button clicked too fast after browser startup
Source code released under All Rights Reserved
Download file
Version 3.1.0
Released May 10, 2025 - 116.66 KB
Works with firefox 58.0 and later
- Added phone number format variations when searching
- Now reports and logs hostname of the originating website
Source code released under All Rights Reserved
Download file
Version 2.1.3
Released Jan 24, 2025 - 71.59 KB
Works with firefox 58.0 and later
- Fixed bug where duplicate transmissions are found if hash is in URL
Source code released under All Rights Reserved
Download file
Version 2.1
Released Jan 24, 2025 - 71.48 KB
Works with firefox 58.0 and later
- Added ability to clear locally stored results
- Cosmetic/UI/writing changes
Source code released under All Rights Reserved
Download file

Hem and Haw by Tin Le

Latest version

Version 3.6.0

Older versions

Version 3.5.5

Version 3.5.4

Version 3.5.3

Version 3.5.2

Version 3.5.1

Version 3.5.0

Version 3.4.4

Version 3.4.3

Version 3.4.2

Version 3.4.1

Version 3.4.0

Version 3.3.0

Version 3.2.0

Version 3.1.3

Version 3.1.2

Version 3.1.1

Version 3.1.0

Version 3.0.0

Version 2.1.3

Version 2.1.2

Version 2.1.1

Version 2.1

Version 2