Auto-detect JSON, Base64, JWT, URLs and more in your clipboard or on any page. One click to the right tool.
Users
3
0 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#303K
#245K among extensions
Version
1.2.0
updated 12 Mar 2026
Users
monthly, 7 months
Latest, 15 Oct 2026:3 usersMove the mouse over the chart for any month
Ratings count
monthly, 7 months
Latest, 15 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About PureMark Detect
Auto-detect JSON, Base64, JWT, URL-encoded text, timestamps, and diffs in your clipboard or on any page. Open the right developer tool with one click.
PureMark Detect automatically identifies data formats and opens the right developer tool instantly.
π What it detects:
β’ JSON β Opens JSON Formatter (json.puremark.app)
β’ Base64 β Opens Base64 Decoder (base64.puremark.app)
β’ JWT β Opens JWT Decoder (jwt.puremark.app)
β’ URL-encoded text β Opens URL Decoder (url.puremark.app)
β’ Unix Timestamp β Opens Timestamp Converter (timestamp.puremark.app)
β’ Unified Diff β Opens Diff Checker (diff.puremark.app)
β‘ How it works:
1. Copy any text to your clipboard
2. Click the PureMark Detect icon
3. See detected formats with inline preview
4. Click to open the right tool β your data is pre-loaded
π Page scan:
Click "Scan Page" to find JSON, Base64, JWT, and more inside <pre> and <code> blocks on any web page.
π±οΈ Right-click integration:
Select any text on a page β Right-click β "Open in PureMark"
The extension detects the format and opens the matching tool.
π Privacy:
β’ Clipboard is read only when you click the extension icon
β’ No data is sent to any server β all detection runs locally
β’ No tracking, no analytics, no cookies
Part of PureMark β zero-click developer tools.
https://puremark.app
Growth
Window
Users
Change
Ratings
Rating
7 days
+2
+200.0%
0
0.00
30 days
0
+0.0%
0
0.00
6 months
+2
+200.0%
0
0.00
Chrome Web Store search rankings
Where PureMark Detect appears when people search the store, with the 30 day change