Lightning Autofill
Tools
FreemiumConfidence 64
The most popular autofill extension, boosting productivity since 2010.
Users
500K
Rating
3.4
Reviews
2,120
7D Growth
0|0%
Stable signalUnknownMedium-risk permissions
Testofill, Form Filler for Testers
Enable testers to fill forms automatically/on-demand based on (sets of) rules they wrote / captured.
Users2KCurrent public install base
Rating3.5Store average score
Reviews19Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
5 assetsTestofill, Form Filler for Testers Media preview
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7-day rating change
Start
3.53
Latest
3.53
7-day rating change
0.00
2026年7月16日2026年7月18日
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----7-day growthFlat
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Version2.0.2
ManifestV3
Size211KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
Product summary
Review the store description, core capabilities, and common use cases.
Testofill allows you to define one or more sets of rules for filling forms on a particular page and to fill them in automatically or on demand with hardcoded or random values. It targets people that can write little CSS (such as "[name='myfield']"), are comfortable with JSON, and that need to be able to choose from sets of values to fill in. A typical example is a tester that needs to repeatedly fill in different search criteria to test her app and thus wants to define rule sets such as "Simple book search" and "Advanced book search".
The main advantages are being able to have multiple sets of values for a single form, having full access to and control over these values, and ability to generate random values. It is also possible to create rules automatically from a filled form and adjust them later.
See a short demo here: https://youtu.be/iDkSwpKd3NQ
Tip: You need to enable the extension in Incognito mode on the Extensions page if you want to be able to use it when Incognito.
Change log:
2.0.2 - JS bugfix
Reviews
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Store average score3.5Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average3.3Average computed only from synced review bodies below
Reviews with text11Synced review bodies
Total ratings / reviews19Chrome Web Store public rating/review count
Store average score: 3.5. 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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Saving a form fails and pops up this prompt 6 times in a row.... It's a normal form. It is iframed which might be the issue. FAILED to save 0 forms extracted from #MyUrl# due to No forms data provided?!
very useful if you know how to use json
useless garbage doesn't work
horrible interface that takes longer to use than writing a console script
A wonderful tool to quickly fill an entire page of static data . For me, it was useful.
this is currently the only working offline autofill extension. thanks.
I'm sorry but thats useless. If I have to write regex and create all the rules I might as well use the built in chrome autocomplete instead. too complex.
The extension is great and really helpful when it comes to filling forms several times. However, I have an issue; in cases of mandatory fields in the form of a drop-down list I need to go over all drop-down lists in the form and fill them once more. It seems that it gives no focus to the field; it should maybe make the value nullable before assigning it to the field?
Now when I got the profiles to work it's great addon!!
I use it on Vivaldi, Win 10 x64. Sometimes it works, sometimes it doesnt.