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Private developer utilities in one popup: format JSON, encode/decode Base64 & URLs, decode JWT, generate UUIDs, diff text, HTML. Bundled with essential set of developer utilities that work right inside your browser. Your code and text are processed locally in the popup — only anonymous, aggregate usage data is collected via Google Analytics to help improve the extension. TIRED OF JUGGLING MULTIPLE ONLINE TOOLS? THIS EXTENSION BUNDLES 7 COMMON DEV UTILITIES INTO ONE CONVENIENT POPUP. WHAT'S INCLUDED: 🔹 JSON Prettify / Minify Format or compress your JSON with one click, with color-coded syntax highlighting and invalid-input detection. 🔹 Base64 Encode / Decode Convert text to Base64 and back, with safe handling of Unicode/UTF-8 characters. 🔹 URL Encode / Decode Quickly encode or decode URLs and query strings. 🔹 JWT Decode Paste any JWT token and instantly view the Header, Payload, and Signature with real-time color-coded output. 🔹 UUID Generator Generate UUID v4 tokens in bulk, with options for count, uppercase, and dash-less formats. 🔹 Text Diff Compare two blocks of text side by side with a git-style diff that highlights additions and deletions. 🔹 HTML Prettify / Minify Beautify or compress your HTML, complete with syntax highlighting. KEY FEATURES: • All transformations run locally inside your browser for speed and to protect the content you work with • Fast, lightweight, and convenient — 7 tools in a single popup • One-click copy to clipboard on every tool • Move output back to input for chaining multiple transformations • Dark, developer-friendly interface designed for long coding sessions • Free to use, no account or registration required Perfect for developers, QA engineers, and anyone who works with JSON, tokens, URLs, or code on a daily basis. Privacy & Analytics: This extension uses Google Analytics to collect anonymous, aggregated usage statistics (such as tool usage and feature popularity). No personal information is collected, and the text or data you process is never transmitted — all transformations stay on your device. You can read more in the Privacy Policy.
Sep 4, 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.