Instant Checks by OnlineCheckWriter
Tools
FreemiumConfidence 64
Official OnlineCheckWriter Chrome extension for creating and sending checks - mail, print, or eCheck
Users
139
Rating
4.9
Reviews
378
7D Growth
--|--
Signal pendingNo paid features detectedMedium-risk permissions
Send Physical Mail using OnlineCheckWriter
Official OnlineCheckWriter Chrome extension for mailing PDF documents - simple, secure, and efficient
Users68Current public install base
Rating4.9Store average score
Reviews292Public review volume
Manifest versionV3Extension platform version
7-day growth--Net users gained this week
7-day growth rate--Relative weekly velocity
Preview
5 assetsSend Physical Mail using OnlineCheckWriter Media preview
Trend
User growth trend
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User Growth Over Time
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7-day rating trend
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7-day rating change
Start
4.89
Latest
4.89
7-day rating change
0.00
2026年6月29日2026年7月4日
Growth overview
Daily, weekly, and monthly growth
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1-day growthDeclining
-2-2.63%7-day growthNo data
----30-day growthFlat
00%Technical snapshot
Version, languages, and crawl freshness
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Version2.2.0
ManifestV3
Size162KiB
Languages1English (United States)
Published
Store updated
Last crawled
English (United States)
Overview
Product summary
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Mail your documents directly from Chrome using the official OnlineCheckWriter extension. This tool integrates seamlessly with your OnlineCheckWriter account, making it simple to turn any PDF into professionally printed, enveloped, and mailed documents without visiting the post office.
KEY FEATURES
✅ PDF Upload – Drag and drop or browse to upload documents
✅ Address Management – Save sender and recipient addresses for reuse
✅ Multiple Shipping Options – USPS First Class, Priority, FedEx Overnight, and more
✅ Credit Balance Tracking – Monitor mailing credits in real time
Reviews
Recent review snapshot
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Store average score4.9Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.9Average computed only from synced review bodies below
Reviews with text291Synced review bodies
Total ratings / reviews292Chrome Web Store public rating/review count
Store average score: 4.9. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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Super convenient extension! I was able to upload a PDF and mail it without touching a printer or going to the post office. The address management feature is a lifesaver — I can save my recipients and reuse them next time. Tracking and credit balance updates are also nice touches. Perfect for small businesses or anyone who mails documents regularly.
I stumbled across this extension while doing some research for my small business and decided to give it a try. The premise is incredibly appealing: the ability to send a physical letter directly from my browser, without ever needing to find a printer, an envelope, or a stamp.
an excellent extension it feels good using it
Excellent addition, I recommend it
I recently tried the Physical Mail service on OnlineCheckWriter, and overall, I was impressed. The process was simple — I uploaded my document, entered the recipient’s details, and the platform handled the rest. It saved me the time and hassle of printing, buying stamps, and going to the post office.
You create the check online, and they print and mail it for you. It saves time, looks professional, and is affordable.
I have just started using this. So far so good.
i have used this app for over a year and it made my job easier.
nice extension
stallation was super easy, just a couple of clicks from the Chrome Web Store. A new little button that looks like an envelope showed up right next to the "Send" button in Gmail. So, I typed up a quick cover letter, attached my PDF invoice, and hit the "Send by Post" button. It asked for my client's mailing address, which I just copied and pasted in. Then it took me to a payment screen. It was about $2.75 for a two-page letter, which honestly felt a little steep compared to a 60-cent stamp. But then I thought about the time it would take me to find a printer, get an envelope, buy a stamp, and drive to the post office... and I paid for it instantly. For the convenience alone, it felt worth it at that moment. I got an email confirmation right away saying they received my order. A day later, I got another one saying it was printed and mailed. My client confirmed they received it about four days later, which is pretty standard mail time. The invoice looked professionally printed, no issues there.