DataFormat Pro
Format, validate, and convert structured data easily within your browser.
Auto-detect JSON, Base64, JWT, URLs and more in your clipboard or on any page. One click to the right tool.
Review user movement over the last 30 days.
Track rating movement over time to see whether quality signals remain stable.
Compare 1-day, 7-day, and 30-day net growth and growth rate.
Review publication date, version, supported languages, and crawl timestamps.
Review the store description, core capabilities, and common use cases.
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)
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Format, validate, and convert structured data easily within your browser.
Developer utilities at your fingertips. JSON formatter, CURL converter, Base64, URL encoder, JWT decoder - all offline.
Check and validate JSON-LD structured data on webpages
Quick sidebar for saving and managing JSON snippets
Comprehensive Next.js detection tool - detects version, router type, features, deployment platform, and more.
Auto-format and validate JSON & API responses instantly. Syntax highlighting, tree view, dark mode. Data never leaves your browser.