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    engineering deep-dives, site updates, and the “how” behind the tools we build.

    WebRTC Leak Test: Why Your VPN Shows Your Real IP
    Abhay KhantAug 5, 2026Toolsura Blog

    WebRTC Leak Test: Why Your VPN Shows Your Real IP

    A webrtc leak test reveals your real IP past a VPN: STUN answers bypass the tunnel. Fix WebRTC in Firefox or extensions in five minutes.

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    CSS Gradients Explained: Linear, Radial, and How to Use Them
    Abhay KhantAug 6, 2026Toolsura Blog

    CSS Gradients Explained: Linear, Radial, and How to Use Them

    CSS gradients create smooth color transitions with no image files. Learn linear, radial, and conic syntax, color stops, and when to use each type.

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    What Is DNS over HTTPS? DoH Explained
    Abhay KhantAug 5, 2026Toolsura Blog

    What Is DNS over HTTPS? DoH Explained

    DNS over HTTPS encrypts DNS lookups, hiding what 84% of Android VPN apps leaked in 2016. Enable it in Chrome, Firefox, Edge, Windows, or Android.

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    Track indexed-vs-not over time with -report and -diff
    Abhay KhantJul 19, 2026Toolsura Blog

    Track indexed-vs-not over time with -report and -diff

    Track which URLs Google has indexed over time with gsc-indexer's -report and -diff flags, and watch coverage shift between runs.

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    Step 3: Install, build, and run your first inspection
    Abhay KhantJul 19, 2026Toolsura Blog

    Step 3: Install, build, and run your first inspection

    Install Go, build gsc-indexer, and run your first URL inspection against Google Search Console in under five minutes.

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    CSS Gradient Text: How to Create Colorful Text Effects
    Abhay KhantAug 6, 2026Toolsura Blog

    CSS Gradient Text: How to Create Colorful Text Effects

    CSS gradient text clips a gradient to your letters with background-clip: text. Learn the recipe, the -webkit- prefix, and the fallback color you need.

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    Stop Windows from Installing Apps Without Permission
    Abhay KhantJul 19, 2026Toolsura Blog

    Stop Windows from Installing Apps Without Permission

    LG and Dell monitors silently push apps via Windows Update. Learn how to stop Windows from installing apps without permission and detect what's on your PC.

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    Automating gsc-indexer in CI with -json and exit codes
    Abhay KhantJul 19, 2026Toolsura Blog

    Automating gsc-indexer in CI with -json and exit codes

    Automate gsc-indexer in CI: cron or GitHub Actions, parseable -json output, non-zero exit codes, and sa.json stored as a secret.

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    What Is the Model Context Protocol? A Plain-English Guide
    Abhay KhantJul 18, 2026Toolsura Blog

    What Is the Model Context Protocol? A Plain-English Guide

    Model Context Protocol (MCP) is the open standard connecting AI to your tools and data. Learn how it works, how it differs from APIs, and why it matters.

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    iCloud Private Relay Explained: What It Does and Doesn't Do
    Abhay KhantAug 5, 2026Toolsura Blog

    iCloud Private Relay Explained: What It Does and Doesn't Do

    iCloud Private Relay is not a VPN. Learn how its dual-hop proxy works, what the 2026 WebKit leaks (3 vectors) exposed, and how to test it.

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    Why we bother
    to write.

    I started ToolSura because I was tired of tools that felt like they were trying to steal my data or drown me in ads. This blog isn’t just “content marketing”—it’s where we document how we’re solving those problems.

    When I build a new tool, like the 3D Color Cube or the Base64 Transcoder, I keep thinking about the developers who need things to just *work* without the fluff. We write about our architecture, our performance optimizations, and our failures because we think the “how” is just as important as the tool itself.

    01.

    Privacy First

    We don’t just say “private.” We build zero-knowledge architectures that ensure your data stays in your browser’s V8 sandbox.

    02.

    Speed Obsessed

    No unnecessary API calls. No server latency. We optimize for the metal, leveraging local processing for instant results.

    03.

    Pure Utility

    ToolSura is a protest against “Software as a Service” bloat. These are tools, not subscriptions. We write to keep ourselves honest about that mission.

    ToolSuraPrivacy-First Tools

    Free utilities that run in your browser. No trackers, no accounts, no uploads.

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    © 2026 ToolSura. Free tools that run in your browser.

    Remote-First / Based in India

    Technical Manifesto

    Private • Client-Side • No Uploads

    ToolSura on Nick Launches
    Browser-Native
    Privacy-First