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Auto-detect JSON, Base64, JWT, URLs and more in your clipboard or on any page. One click to the right tool. 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. 🔍 What it detects: • JSON — Opens JSON Formatter (json.puremark.app) • Base64 — Opens Base64 Decoder (base64.puremark.app) • JWT — Opens JWT Decoder (jwt.puremark.app) • URL-encoded text — Opens URL Decoder (url.puremark.app) • Unix Timestamp — Opens Timestamp Converter (timestamp.puremark.app) • Unified Diff — Opens Diff Checker (diff.puremark.app) ⚡ 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 — your data is pre-loaded 📄 Page scan: Click "Scan Page" to find JSON, Base64, JWT, and more inside <pre> and <code> blocks on any web page. 🖱️ Right-click integration: Select any text on a page → Right-click → "Open in PureMark" The extension detects the format and opens the matching tool. 🔒 Privacy: • Clipboard is read only when you click the extension icon • No data is sent to any server — all detection runs locally • No tracking, no analytics, no cookies Part of PureMark — zero-click developer tools. https://puremark.app
Mar 12, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.