Build Tools That Matter

From JSON formatting to AI-powered document checking — we turn real user needs into free, practical web tools. No signup required.

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8 Tools · 50,000+ Users · Since 2013

“I don't care who you are, just tell me what you want. We'll build the tool you need.”

Featured Chrome Extensions

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DataSnapshot

Extract and export data from any webpage. Perfect for researchers and analysts.

★ 4.8 50,000+ users

StyleCraft

Customize website appearance in real-time. Create your perfect browsing experience.

★ 4.9 35,000+ users
New Tool

Image Exporter

One-click JavaScript bookmark to export all images from any webpage

JavaScript Bookmark One-click · No install 
javascript:(function(){
    var link = document.querySelector("link[rel*='icon']")...
    window.imageExporterActive = true;
    const script = document.createElement('script');
    script.src = 'http://127.0.0.1:59888/static/image-exporter.js';
    ...
    document.head.appendChild(script);
})();
Try Image Exporter

Explore Our Tools

Free, practical tools built from real user needs. Click any card to start using.

JSON Formatter

Visualize and format JSON data with an interactive tree viewer

Video Analyzer

AI-powered video content analysis

Mark Excel

AI batch labeling for Excel data

CSV Image Viewer

Auto-detect and preview image URLs from CSV files

Split Excel

Split large Excel files into smaller ones

Timezone Converter

Global timezone and Unix timestamp conversion
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How It Works

1

Report Your Need

Describe what tool you need and what problem it should solve.

2

Analysis & Design

We analyze feasibility and create a detailed development plan.

3

Development

Build your tool with clean code and optimal performance.

4

Delivery & Support

Receive the finished tool with documentation and ongoing support.

What Users Say

“ToolCraft built exactly what our team needed. The JSON Formatter saves us hours every week.”

Sarah Chen

Product Manager, TechFlow

“I requested a CSV image viewer and they delivered in days. Now it's essential to my workflow.”

Marcus Rivera

Data Analyst, InsightLab

“The Word Checker caught issues our editor missed. Incredible attention to detail.”

Yuki Tanaka

Content Strategist, WordWise

Alex Chen

Lead Developer & Founder

Full-stack developer with 10+ years of experience building tools, browser extensions, and web applications. Passionate about turning user needs into practical solutions.

JavaScript TypeScript React Python Chrome Extensions Node.js Web APIs UI/UX

Frequently Asked Questions

Everything you need to know about ToolCraft

ToolCraft builds free, practical web tools from real user needs — JSON formatting, video analysis, Excel processing, timezone conversion, and more. No signup, no fees.

Yes, completely free. We build them because users asked for them. No paywalls, no subscriptions, no hidden costs.

Click "Request a Tool" anywhere on the site, describe what you need, and our team will evaluate it. If it aligns with our mission, we'll build it.

No. All tools work instantly in your browser — no registration, no login, and no personal data collected.

Have a Tool in Mind?

Tell us what you need. We'll build it — free, fast, and tailored to your workflow.

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