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Is Send Physical Mail using OnlineCheckWriter safe to install?

Send Physical Mail using OnlineCheckWriter asks for 1 browser permission and 3 site patterns. We do not audit code and we do not judge intent; what we can show is what the listing declares and whether that has changed while we have been watching.

Send Physical Mail using OnlineCheckWriter

Chrome extension by OnlineCheckWriter · Productivity · Tools

Open in the Chrome Web Store
What the developer says, and 3 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

At a glance

Facts, not a score: an ad blocker needs every page and a theme needs nothing, so one number would be wrong about both. Each fact links to its detail.

Site access
Access to specific sites only
Data collection
3 kinds of data declared
Publisher
No store badges
Audience
83 users · 4.9/5

What data it declares

The developer declares that it collects these kinds of data:

The developer also certifies that your data is not sold to third parties outside approved uses, not used for purposes unrelated to the extension's core function, and not used to decide creditworthiness or lending.

The listing links to a privacy policy.

This is the developer's own declaration in the Chrome Web Store. We cannot check it against what the extension does.

What Chrome asks you to allow

When you add it, Chrome asks you to allow it to:

Derived from the manifest by Chrome's documented rules; the dialog's exact wording depends on your Chrome version and language. Chrome asks again if an update requests more.

What it can reach

Specific sites only: 3 match patterns.

Routine for an extension

How usual this is for its category

In Productivity · Tools, 20% of extensions ask for access to every site. This one: Access to specific sites only.

The typical extension there declares 3 browser permissions; this one declares 1 browser permission.

Counted over the live extensions of the same category after our latest full pass of the store. A share is context, not a verdict: what is normal depends on what the extension is for.

Who uses it and how it is kept up

83 users

Users
-5 since 01.09
79-100 · 43 readings
  1. 2026-09-0188
  2. 2026-09-0386
  3. 2026-09-0482
  4. 2026-09-0683
  5. 2026-09-0784
  6. 2026-09-0887
  7. 2026-09-0988
  8. 2026-09-1391
  9. 2026-09-1592
  10. 2026-09-1798
  11. 2026-09-2192
  12. 2026-09-2287
  13. 2026-09-2583
  14. 2026-09-2786
  15. 2026-09-2884
  16. 2026-10-0598
  17. 2026-10-08100
  18. 2026-10-0999
  19. 2026-10-1098
  20. 2026-10-1193
  21. 2026-10-1397
  22. 2026-10-1497
  23. 2026-10-1693
  24. 2026-10-1794
  25. 2026-10-1899
  26. 2026-10-1992
  27. 2026-10-2194
  28. 2026-10-2289
  29. 2026-10-2388
  30. 2026-10-2485
  31. 2026-10-2583
  32. 2026-10-2685
  33. 2026-10-2880
  34. 2026-10-3081
  35. 2026-11-0179
  36. 2026-11-0480
  37. 2026-11-0681
  38. 2026-11-0784
  39. 2026-11-0885
  40. 2026-11-0983
  41. 2026-11-1084
  42. 2026-11-1183
  43. 2026-11-1483

What the store shows

The store shows none of its badges on this listing. Most listings carry none.

The listing says it offers in-app purchases.

Has it asked for more over time?

This is the question a permission list on its own cannot answer. An extension that shipped narrow and widened later is a different proposition from one that always asked for the same thing.

The permissions this extension requests have not changed since we started watching it.

Who publishes it

OnlineCheckWriter, who publishes 3 listings we track. This listing has been in the store since 2025-09-13 and was last updated on 2025-10-23.

Similar extensions that ask for less

Listings close to this one in what they say they do, which declare less reach. Less reach is not a verdict on either: compare what each needs for the job.

  1. Postedly: PDF Mail & Fax File Checker No permissions at all · No permissions declared 3 users (last published figure)

How to check or remove it in Chrome

  1. Type chrome://extensions in the address bar and find the extension in the list.
  2. Open its details. The site access setting shows where it can run; set it to run only on click and it reaches a page only after you press its icon.
  3. To uninstall it, choose Remove on the same page.

Questions people ask

What can Send Physical Mail using OnlineCheckWriter access?
Specific sites only: 3 match patterns. It declares 1 browser permission.
What data does Send Physical Mail using OnlineCheckWriter collect?
The developer declares that it collects these kinds of data: Personally identifiable information, Financial and payment information, Authentication information. This is the developer's own declaration in the Chrome Web Store. We cannot check it against what the extension does.
Has Send Physical Mail using OnlineCheckWriter asked for more permissions over time?
The permissions this extension requests have not changed since we started watching it.
Does Send Physical Mail using OnlineCheckWriter publish a privacy policy?
Yes, the store listing links to a privacy policy.

We read the public store listing up to 2 times a day and keep what it declared. We do not install the extension, do not audit its code, do not judge its intent and publish no contact details for its developer. Last read on 2026-11-14.

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