--- title: CodeUtilityKit: 100+ private developer tools that run in... description: CodeUtilityKit is a free collection of 100+ browser-based developer utilities covering everyday tasks like JSON formatting, JWT decoding, Base64... canonical: https://daily.dev/posts/codeutilitykit-100-private-developer-tools-that-run-in-your-browser-eaixzdm0r twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: CodeUtilityKit: 100+ private developer tools that run in your browser | daily.dev og:description: CodeUtilityKit is a free collection of 100+ browser-based developer utilities covering everyday tasks like JSON formatting, JWT decoding, Base64... og:url: https://daily.dev/posts/codeutilitykit-100-private-developer-tools-that-run-in-your-browser-eaixzdm0r og:image: https://api.daily.dev/og/posts/eaIxZdm0r.png og:image:alt: CodeUtilityKit: 100+ private developer tools that run in your browser og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # CodeUtilityKit: 100+ private developer tools that run in your browser **[Product Hunt](https://daily.dev/sources/ph)** · 1 min read · 22 upvotes · 2 comments ## Summary CodeUtilityKit is a free collection of 100+ browser-based developer utilities covering everyday tasks like JSON formatting, JWT decoding, Base64 encoding/decoding, SHA256 generation, CSV/JSON conversion, password generation, UUID generation, regex testing, QR code generation, and timestamp conversion. All tools run locally in the browser, ensuring sensitive data like API keys, tokens, and passwords never leave the user's device. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@allinonetools** · 2 upvotes > Appreciate the feedback! Good point—I’ll make the title more descriptive. The goal is to immediately show it's a privacy-first toolkit with 100+ browser-based developer utilities. **@jenueldev** · 0 upvotes > Love the privacy-first approach. Keeping JWTs, API keys, and conversions entirely local makes these tools easier to trust. ## Similar posts on daily.dev - [Free Online Developer Tools to Simplify Your Daily Workflow](https://daily.dev/posts/free-online-developer-tools-to-simplify-your-daily-workflow-f8ynbbctu) · C\# Corner · 1 upvotes · 0 comments --- Tags: [#devtools](https://daily.dev/tags/devtools), [#privacy](https://daily.dev/tags/privacy) [View this post on daily.dev](https://daily.dev/posts/codeutilitykit-100-private-developer-tools-that-run-in-your-browser-eaixzdm0r) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"CodeUtilityKit: 100+ private developer tools that run in your browser","url":"https://daily.dev/posts/codeutilitykit-100-private-developer-tools-that-run-in-your-browser-eaixzdm0r","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/codeutilitykit-100-private-developer-tools-that-run-in-your-browser-eaixzdm0r"},"datePublished":"2026-07-07T07:01:16.097Z","dateModified":"2026-07-07T20:18:40.749Z","description":"CodeUtilityKit is a free collection of 100+ browser-based developer utilities covering everyday tasks like JSON formatting, JWT decoding, Base64...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/75ca4996e7a95ae190abc3e92a51f216?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/75ca4996e7a95ae190abc3e92a51f216?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Product Hunt","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Product Hunt","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/ph","url":"https://daily.dev/sources/ph"},"commentCount":2,"discussionUrl":"https://daily.dev/posts/codeutilitykit-100-private-developer-tools-that-run-in-your-browser-eaixzdm0r","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":22},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":2}],"keywords":"devtools,privacy","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Product Hunt","item":"https://daily.dev/sources/ph"},{"@type":"ListItem","position":3,"name":"CodeUtilityKit: 100+ private developer tools that run in your browser"}]} {"@context":"https://schema.org","@type":"WebPage","@id":"https://daily.dev/posts/codeutilitykit-100-private-developer-tools-that-run-in-your-browser-eaixzdm0r","comment":[{"@type":"Comment","text":"Appreciate the feedback! Good point—I’ll make the title more descriptive. The goal is to immediately show it’s a privacy-first toolkit with 100+ browser-based developer utilities.","datePublished":"2026-07-09T03:09:42.350Z","url":"https://daily.dev/posts/eaIxZdm0r#c-FQtUF0hpF","author":{"@type":"Person","name":"AllInOneTools","url":"https://daily.dev/allinonetools","image":"https://media.daily.dev/image/upload/s--4ZT8QlF0--/f_auto/v1769790028/avatars/avatar_igzBsWloJeaegzm9bQltZ?_a=BAMAMiiu0"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2}},{"@type":"Comment","text":"Love the privacy-first approach. Keeping JWTs, API keys, and conversions entirely local makes these tools easier to trust.","datePublished":"2026-07-14T01:55:05.753Z","url":"https://daily.dev/posts/eaIxZdm0r#c-28sOshkF6","author":{"@type":"Person","name":"Jenuel Oras Ganawed","url":"https://daily.dev/jenueldev","image":"https://media.daily.dev/image/upload/s--BadmiNyj--/f_auto/v1787625077/avatars/avatar_JJtZr4Sjm?_a=BAMAMicg0"}}]} ```