ToolSura
    HomeTools
    Blog
    Knowledge Base

    Field Logs

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

    Train an AI to Write Like You: Fine-Tune a Local LLM (2026)
    Abhay KhantSep 10, 2026Toolsura Blog

    Train an AI to Write Like You: Fine-Tune a Local LLM (2026)

    Fine-tune LLM on your own writing (Sept 2026): four routes compared, real corpus numbers, MLX on a 16GB Mac, $0 local QLoRA, and the failure cases to know.

    Read Full Log
    Best AI Writing Assistants 2026: Free & Compared
    Abhay KhantSep 3, 2026Toolsura Blog

    Best AI Writing Assistants 2026: Free & Compared

    We compared 7 AI writing assistants for 2026, free tiers included. Grammarly Free gives 100 AI prompts, QuillBot caps at 125 words, Hemingway $19.99.

    Read Full Log
    UUID v4 vs UUID v7: Which to Use and When
    Abhay KhantAug 21, 2026Toolsura Blog

    UUID v4 vs UUID v7: Which to Use and When

    UUID v4 vs v7 compared: a 5,000-value sort test, millisecond timestamp recovery, index effects, collision math, privacy tradeoffs, and how to choose.

    Read Full Log
    What Is My IP Address? How to Find It and What It Shows
    Abhay KhantAug 21, 2026Toolsura Blog

    What Is My IP Address? How to Find It and What It Shows

    Your IP address explained: find it on any device, public versus private ranges, a live trace of what servers see, and why 4.3 billion IPv4 addresses ran out.

    Read Full Log
    301 vs 302 Redirects: Which to Use and When
    Abhay KhantAug 21, 2026Toolsura Blog

    301 vs 302 Redirects: Which to Use and When

    301 vs 302 redirects explained: when permanence matters, how chains cost rankings, and why 8 of 10 domains we traced carried extra hops.

    Read Full Log
    How to Compress a PDF Without Losing Quality
    Abhay KhantAug 21, 2026Toolsura Blog

    How to Compress a PDF Without Losing Quality

    Compress a PDF without losing quality: text stays vector-sharp, images hold at 150 DPI on screen, and metadata cleanup shrinks files at zero quality cost.

    Read Full Log
    WCAG Contrast Ratio Guide: Levels, Math, and Fixes
    Abhay KhantAug 21, 2026Toolsura Blog

    WCAG Contrast Ratio Guide: Levels, Math, and Fixes

    WCAG contrast ratio guide: AA and AAA thresholds, luminance math, measured color pairs, why 83.9% of home pages fail low contrast, and how to fix them.

    Read Full Log
    How to Convert Image to Text Free (OCR in Your Browser)
    Abhay KhantAug 21, 2026Toolsura Blog

    How to Convert Image to Text Free (OCR in Your Browser)

    Convert image to text free with browser-based OCR. Extract text from screenshots, scans, and photos without uploading files. Preprocessing tips included.

    Read Full Log
    How to Compress Images for Web (Without Losing Quality)
    Abhay KhantAug 21, 2026Toolsura Blog

    How to Compress Images for Web (Without Losing Quality)

    Step-by-step guide to compress images for web: resize first, pick the right format, set quality right. Includes a measured 95.5% size-reduction walkthrough.

    Read Full Log
    WebP vs PNG: Which Format Should You Use?
    Abhay KhantAug 21, 2026Toolsura Blog

    WebP vs PNG: Which Format Should You Use?

    WebP vs PNG compared: 26% smaller files, transparency support, browser compatibility, and when each format wins for masters, delivery, and web performance.

    Read Full Log
    Previous
    1…8910111213
    Next

    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.

    All Systems Operational

    Product

    • Free Online Tools
    • Contact
    • FAQs
    • About

    Legal

    • Privacy Policy
    • Cookie Policy
    • Terms & Conditions

    Resources

    • Blog
    • Brand
    • Help

    Social Links

    • Bluesky
    • Mastodon
    • X
    • Product Hunt
    • GitHub
    • LinkedIn
    • DEV.to
    • YouTube

    © 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