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The Complete Toolkit

Calculators, Media, SEO.
All in one place.

Smart Calculators

From financial mortgages to scientific equations. 50+ specialized calculators for health, math, and finance.

Age Calc BMI Loan Percentage

Image Studio

Compress JPGs, resize PNGs, or convert WebP formats without quality loss.

PDF Master

Merge, split, lock, or unlock PDF documents securely in your browser.

Text Utils

Word counter, case converter, and lorem ipsum generators.

Developer & CSS Hub

Clean your JSON, format CSS, minify JavaScript, or generate SVG blobs. Essential utilities for modern web development.

JSON Viewer CSS Gradient MD5 Hash
{ "tool": "dev" }
<div>...</div>

Social Tools

Downloaders, hashtag generators, and bio creators for IG & TikTok.

Top Picks

Curated for your workflow.

System Tools
All Systems Operational
JSON Formatter & Validator Fix ugly JSON strings instantly.
CSS Minifier Reduce file size for production.
Base64 Encoder Convert images to string data.
Instagram Hashtag Gen Viral tags for your niche.
Video to MP3 Extract audio track fast.
GPA Calculator Track your semester grades.
Word Counter Check essay length requirements.
// THE LIBRARY

Copy. Paste.
Deploy.

Access over 500+ production-ready UI components. From glassmorphic cards to neon buttons, everything is pure HTML & CSS. No dependencies attached.

Explore Components
glass-card.html
<div class="card">
  <div class="img"></div>
  <h3>Profile</h3>
  <p>...</p>
  style {
    backdrop-filter: blur(10px);
    border: 1px solid;
  }
</div>
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System Matrix

Why Pros Choose Us

We stripped away the bloat. No uploads, no waiting, just raw performance.

Client-Side Security

Zero server uploads. Your files (PDFs, Images, Code) are processed locally within your browser using WebAssembly. Your data never leaves your device.

Lightning Speed

By skipping server latency, our tools execute instantly. Resize 50 images or merge 100MB PDFs in milliseconds, not minutes.

Lossless Quality

Advanced algorithms ensure your assets retain their original quality. Crisp SVGs, high-fidelity audio extraction, and pixel-perfect conversions.

Expert Guides

Tutorials, tips, and technical deep-dives to help you get the most out of your digital workflow.

View All Articles
PDF Guide
PDF Master 5 min read
Dec 24, 2025

How to Compress PDFs Without Losing Quality

Learn the difference between lossless and lossy compression and how to shrink documents for email attachments.

Coding
Developer 8 min read
Dec 22, 2025

Understanding JSON: A Guide for Beginners

Why do developers love JSON? We break down syntax, objects, and arrays in simple English.

Design
Design 4 min read
Dec 18, 2025

WebP vs PNG: Which Should You Use?

A complete performance breakdown of modern image formats for web developers and designers.

Common
Questions

Everything you need to know about privacy, speed, and premium limits.

Contact Support
Is ToolsFever completely free?
Yes. All tools listed in the public directory are 100% free to use. We support the platform through unobtrusive ads and optional premium memberships for heavy users who need batch processing.
Do you store my uploaded files?
Absolutely not. We utilize client-side processing. This means your images, PDFs, and code snippets are processed by your own browser (using WebAssembly). They never touch our servers.
Is there an API available?
We offer a Developer API for our image compression and PDF manipulation tools. You can generate an API key in your dashboard settings after creating an account.
How do I report a bug?
Use the 'Feedback' tab on the right side of the screen or join our Discord community. We usually patch critical bugs within 24 hours.
Can I suggest a new tool?
We love community suggestions! Send us a request via Twitter or email, and if it's viable, we'll build it and credit you on the launch page.