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Power companies are pushing aggressive time-based use pricing. Here's how a regular consumer can benefit.

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

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AI wrote the first 80% of my feature in 10 minutes. The code was clean. The logic made sense. The...

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My main work laptop is a Dell from 2017 with 8 GB of RAM. For weeks it had been crawling, freezing for whole seconds while I worked, and every so often it would simply switch itself off in the middle of a task. If you have ever lost unsaved work to a laptop that powers down on its own, you know exactly how frustrating that is. So I sat down and fixed it properly. The first thing I learned is worth saying up front: a slow, crashing laptop is usually two different problems wearing the same costume . Treat them as one and you will chase your tail. Separate them, and both become fixable. Everything below is free and copy-paste ready. It was tested on Ubuntu 24.04 LTS, and it applies to almost any older Linux machine. The honest disclaimer: Nobody can promise an old laptop will never lag. Software cannot add cores or memory that are not physically there. But you can absolutely stop the freezes and shutdowns completely and make everyday work feel smooth. That is the realistic, achievable goal. 0. Diagnose first, do not guess The biggest mistake is blindly applying "speed up Ubuntu" tweaks before knowing what is actually wrong. Spend five minutes measuring. Your lag has one of four common causes: heat, memory, disk, or a dying battery . Check temperature (the usual cause of random shutdowns): sudo apt install lm-sensors -y sudo sensors-detect --auto sensors Watch the Core temperatures while you work. If they spike past 90 to 100 °C right before a crash, you have a thermal problem, not a software one. Check memory (the usual cause of freezing): free -h sudo apt install htop -y htop In htop , watch the Mem and Swp bars during normal use. If memory pins near your limit and swap fills up, that thrashing is your freeze. Check disk space (a quiet killer): df -h / A root partition above 90% full makes Linux lag and turn unstable. Small SSDs fill up fast. Read the crash logs and battery health: # What went wrong during the previous (crashed) session journalctl -b -1 -p err --no-pa

Sometimes an email shouldn't go out the instant your code runs. A human needs to review it first, or the user wants to compose now and hit send later, or an AI agent proposes a reply that a person approves before it ships. The mechanism for all three is the same: a draft. Build that against providers directly and you're juggling Gmail's draft resource, Microsoft Graph's, and an IMAP APPEND to the Drafts folder, each with its own shape and quirks. The Nylas Email API collapses that into one draft resource. You create a draft on the user's account, it lands in their real Drafts folder, and you send it later with a single request, the same way across Gmail, Microsoft 365, Yahoo, iCloud, IMAP, and Exchange. This post walks the full draft lifecycle from two angles: the HTTP API for your backend, and the nylas CLI for the terminal. I work on the CLI, so the terminal commands below are the ones I reach for. One draft resource across every provider A draft in the Nylas model is a real object in the user's mailbox, not a staging area on the side. When you create one, it saves to the user's own Drafts folder on their provider, so it shows up in their normal mail client exactly like a draft they started themselves. That's the property that makes drafts useful for review workflows: a person can open the mailbox and see the pending message before it sends. Because drafts are real provider objects, edits flow both ways. A draft you create through the API appears in the user's mail client within the provider's sync window, and a change the user makes there alters the same draft you'd fetch back through the API. The operations split across two paths: create and list live on /v3/grants/{grant_id}/drafts , while fetch, update, send, and delete act on a specific draft at /v3/grants/{grant_id}/drafts/{draft_id} . They behave the same across all six providers, so you write the integration once. Create a draft Creating a draft is a POST /v3/grants/{grant_id}/drafts with the same message

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Developers inheriting sprawling SQL codebases or revisiting queries from weeks earlier know the frustration: a dense, unformatted block that obscures joins, filters, and logical flow. Readable SQL isn’t cosmetic — it directly affects debugging speed, peer review accuracy, and long-term maintainability. What it is SQL Formatter restructures raw SQL into clear, conventionally formatted code, running entirely in the browser. It applies consistent indentation, capitalisation of keywords, and logical line breaks — all without altering the query’s semantics. The formatter understands the syntax of all major database engines, including PostgreSQL, MySQL, SQL Server, and Oracle, so it preserves dialect-specific functions and operators rather than flattening them into a generic style. The tool is one of 200+ free browser utilities on DevTools. It processes all input entirely on your machine — no data ever leaves the browser, no account is required, and no analytics track your usage. That privacy-first design means you can safely format queries that contain proprietary business logic embedded in production SQL. The engine handles the full spectrum of SQL complexity: basic SELECT statements, multi-table joins, Common Table Expressions (CTEs), correlated subqueries, window functions, and DML operations like INSERT or UPDATE . Because it parses the input rather than applying regular expressions, deeply nested constructs retain their hierarchy, with each subquery or CTE level indented to show ownership. How to use it Paste any SQL fragment into the left-hand editor and the formatted result appears instantly in the output panel. A live preview updates as you switch formatting options, so you can tune the output without re-pasting. The primary configuration controls help you match your team’s conventions or personal preference: Dialect : selecting a specific database ensures that functions such as PostgreSQL’s STRING_AGG or MySQL’s GROUP_CONCAT are not inadvertently mangled, and th

As developers, we've all been there. Q: Need to decode a Base64 string? Open one website. Q: Need to convert an image to Base64? Open another website. Q: Need to validate a Base64 string? Search Google again. Q: Need to compare two Base64 values? Yet another tool. I found myself repeatedly switching between different websites, browser tabs, and terminal commands just to perform simple Base64-related tasks. So I decided to build something that solved this problem for me. The Goal Keep every commonly used Base64 utility in one place and make it work directly in the browser. No installations. No command-line knowledge required. No account creation. Just open the website and use the tool What You'll Find Instead of only providing an encoder and decoder, I wanted to cover the complete Base64 workflow. Some of the available tools include: Base64 Encode / Decode Image to Base64 Audio to Base64 Video to Base64 Base64 Validator Base64 Detector Base64 Compare Base64 Repair Base64 URL Encode Base64 File Decoder CSS Data URI Converter And more are being added regularly. Why I Built It Honestly, this started as a personal productivity project. I was using different Base64 tools almost every week and got tired of bookmarking multiple websites for related tasks. Having everything in one place turned out to be surprisingly useful, so I decided to make it public. Give It a Try https://base64converters.com I'm continuously improving it and would love feedback from fellow developers. Are there any Base64-related tools or workflows you use frequently that should be included?

“Coffee” made with functional mushrooms like lion’s mane and chaga is all the rage. We tried the most popular brands to find which were the most palatable.

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Two years after it turned Marg Monday into a daily, the Ninja Slushi is only $200. That’s the cheapest deal ever.