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Welcome to this week's Top 7, where the DEV editorial team handpicks their favorite posts from the...

We've gone from A to Z to find Amazon's best Prime Day deals on the gear worth owning.

submitted by /u/Inevitable_Back3319 [link] [留言]

submitted by /u/KingOfZalo [link] [留言]

submitted by /u/aegismuzuz [link] [留言]

Most "free developer tools" lists link to GitHub repos you need Node.js to run locally, or SaaS products with a login wall. Everything below runs in a browser tab, handles your data client-side or deletes it from the server within 30 minutes, and requires no account of any kind. All 26 tools are at at-use.com . Grouped by what you are actually trying to do. Encoding & Decoding Base64 Encoder/Decoder — Encode text or binary to Base64, or decode it back. UTF-8 text and binary file payloads both work. Runs in your browser — nothing sent to a server. URL Encoder/Decoder — Percent-encode strings for safe URL inclusion, or decode percent-encoded URLs back to readable text. Handles both application/x-www-form-urlencoded and RFC 3986 encoding modes. HTML Entity Encoder/Decoder — Convert special characters to named HTML entities ( < → &lt; , & → &amp; ) or decode entities back to characters. Useful when building template strings or sanitizing output for display. Binary Translator — Text to binary, binary to text, or translate between binary, decimal, hex, and octal. Useful for low-level debugging and learning number representations. Number Base Converter — Convert integers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16). All four outputs shown simultaneously. JWT Decoder — Paste a JWT token to decode and inspect the header and payload. Runs entirely in the browser — your token never leaves your machine. JSON & Text JSON Formatter & Validator — Format, validate, and minify JSON in one click. Toggle between pretty-print and compact output. Syntax errors include the exact line and column number. Uses browser-native JSON.parse() — no data sent anywhere. Text Diff — Side-by-side text comparison with no character limit (diffchecker.com caps at 25,000 characters on the free tier). JSON-aware mode auto-formats both inputs before diffing so whitespace differences do not pollute the output. Case Converter — 12 text case

submitted by /u/piotr_minkowski [link] [留言]

I wanted a smaller way to move books from my Mac to my Kindle. There are already good tools for this. Amazon has Send to Kindle. Calibre has a powerful content server. USB transfer still works. But each option carries a little friction: Send to Kindle goes through the cloud. Calibre is excellent, but it is a full library manager. USB transfer needs a cable and a manual copy step. Kindle Share is built for the smaller workflow: Choose a folder on your Mac. Start sharing. Open one local address on Kindle. Download the book. No account. No cloud. No cable. How it works Kindle Share starts a tiny local web server on your Mac. It only serves files from the folder you choose. When your Kindle is on the same Wi-Fi network, you open the Kindle browser and visit the address shown in the app. From there, you get a simple list of supported files and can download them directly. Supported formats today: PDF EPUB MOBI AZW AZW3 Why local-first? I like tools that do not require an account for a local job. If the book is already on my Mac and the Kindle is already next to me, sending the file through a cloud service feels heavier than it needs to be. Kindle Share keeps that path local. That also makes the app easier to reason about. The folder you choose is the folder being shared. Stop sharing, and the local server stops. What it is not Kindle Share is not trying to replace Calibre. Calibre is a serious ebook library system with conversion, metadata, plugins, and deep device workflows. Kindle Share is intentionally narrower. It is a small macOS utility for quick local transfer. Try it Download the latest build from GitHub Releases: https://github.com/thanhphuchuynh/kindle-shared/releases Source code: https://github.com/thanhphuchuynh/kindle-shared

submitted by /u/goto-con [link] [留言]

The purpose of Starfall is to support the "transport and delivery of goods through space."