Last month I watched a coworker paste a JWT token into an online base64 decoder. The token contained user emails, internal API endpoints, and an expiration timestamp for a production service. He got his decoded output. The website got a copy of everything. This happens thousands of times a day across… Read more →
Security, DevOps & Trading Tech — Practical Guides
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How to Compress Images Without Uploading Them (Privacy-First Guide)
Every time you use an online image compressor, your photos travel to someone else’s server. They get processed, maybe cached, maybe logged — and you have no idea what happens after that. For most images, that’s fine. But if you’re compressing screenshots with sensitive data, client deliverables, medical images, or personal… Read more →
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How to Strip EXIF Data from Photos Before Sharing (Free, Browser-Only)
A photo can reveal a precise location when its EXIF GPS fields are left intact. Treat every original camera file as potentially location-bearing before sharing it. 🔒 Strip EXIF the easy way — without uploading your photos Re-saving an image through a client-side tool removes embedded GPS and EXIF metadata automatically, because… Read more →
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How to Reduce Image File Size Without Losing Quality (2026 Guide)
Large image files slow down websites, eat storage, and make sharing painful. But reducing file size usually means sacrificing quality — pixelated photos, blurry text, washed-out colors. Not anymore. Modern browser-based compression tools can shrink images by 60-80% with virtually no visible quality loss. Here are the best ways to reduce… Read more →
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Free Markdown Preview & Editor Online — Live Markdown Renderer
Write and preview Markdown in real time with this free online editor. See your formatted output instantly as you type. Supports headings, bold, italic, code blocks, lists, links, and more. No signup required. How to Use Type Markdown in the left panel See the live preview render in the right panel Click Copy HTML… Read more →
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Free Unix Timestamp Converter Online — Convert Epoch Time Instantly
Convert Unix timestamps (epoch time) to human-readable dates and back with this free online converter. Supports seconds and milliseconds. See the current timestamp updating in real time. How to Use Timestamp → Date: Enter a Unix timestamp to see the full date in UTC, local time, and ISO format Date → Timestamp: Pick… Read more →
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Free Cron Expression Builder & Validator Online — Generate Cron Schedules Instantly
Build cron expressions visually with this free online cron schedule builder. See a human-readable description and the next 5 scheduled run times in real time. Perfect for setting up crontab jobs, Kubernetes CronJobs, or GitHub Actions schedules. How to Use This Cron Builder Edit the 5 fields (minute, hour, day of month,… Read more →
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How I Built a Free Real-Time Stock Alert System with Finnhub WebSockets
Last month I got burned. I set a limit order on NVDA at $118, went to make coffee, and came back to find it had dipped to $117.40 and bounced back to $122 in under three minutes. My broker’s mobile notification arrived 47 seconds late. That’s when I decided to… Read more →
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Best TinyPNG Alternatives in 2026 (Free & Privacy-First)
Looking for a TinyPNG alternative that’s free, private, and doesn’t require uploads? Here are the best options in 2026 — including one that compresses images entirely in your browser. Why Look Beyond TinyPNG? TinyPNG is great, but it has limitations: The web tool allows 20 compressions per session; the API includes 500 compressions… Read more →
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QuickShrink Pro: Unlimited Private Image Compression — $3.99 One-Time
QuickShrink Pro — Unlimited Image Compression Compress images instantly in your browser. No uploads. 100% private. Try QuickShrink Free Free vs Pro Feature Free Pro — $3.99 one-time Single image compression ✅ ✅ Format conversion (JPEG/WebP/PNG) ✅ ✅ Batch processing ❌ ✅ Command-line tool (CLI) ❌ ✅ Daily limit 5/day Unlimited Get QuickShrink Pro — $3.99 one-time One payment. Yours forever. No subscription, no recurring charges. Why QuickShrink? 🔒 100% Private — Unlike TinyPNG, images… Read more →