100% Client-Side Processing
All processing happens in your browser. We never see, store, or transmit your data anywhere. Your code, your text, your files — they stay yours. No exceptions.
12 Free Tools Available • More Coming Soon
Free Developer Tools
That Respect Your Privacy
Professional-grade utilities for developers, designers, and content creators. Format JSON, generate QR codes, analyze text, create color palettes, and more — all running 100% locally in your browser.
No sign-ups. No data collection. No server uploads. Your code, your text, your files — they stay yours. Built by developers who value speed and privacy as much as you do.
100% Private
Lightning Fast
Forever Free
Open Source
0K+
Monthly Users
0+
Free Tools
0%
Client-Side
0
Data Collected
About ToolsVault
What is ToolsVault?
ToolsVault is a comprehensive collection of free online developer tools designed for professionals who value both efficiency and privacy. Unlike traditional online tools that upload your data to remote servers, ToolsVault processes everything directly in your web browser using modern JavaScript and WebAssembly technologies.
Whether you're a software developer debugging JSON APIs, a content creator optimizing articles for SEO, a designer crafting the perfect color scheme, or a marketer generating QR codes for campaigns — ToolsVault has the utilities you need without compromising your data security.
Our tools are built with modern web technologies including React, Next.js, and TypeScript, ensuring a fast, reliable, and accessible experience across all devices and browsers. Best of all — it's completely free, with no hidden fees, premium tiers, or intrusive advertisements.
Available Now
Professional Developer Tools
A curated collection of essential utilities built for speed, privacy, and ease of use. Each tool is optimized for instant results — no server round-trips, no waiting.
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JSON Formatter & Validator
DeveloperBeautify, minify, and validate JSON data with syntax highlighting. Detect errors instantly and explore nested structures with our tree view.
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Word & Character Counter
TextCount words, characters, sentences, and paragraphs. Get reading time estimates and analyze keyword density for SEO optimization.
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⊞
QR Code Generator
UtilityCreate customizable QR codes for URLs, text, WiFi networks, vCards, and more. Download in PNG, SVG, or PDF formats.
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◐
Color Palette Generator
DesignGenerate harmonious color palettes using complementary, analogous, triadic, and split-complementary color theory schemes.
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⇄
Base64 Encoder/Decoder
DeveloperEncode text or files to Base64 and decode Base64 strings back to original content. Perfect for data URIs and API debugging.
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M↓
Markdown Live Preview
DeveloperWrite and preview Markdown in real-time. Export to HTML or copy formatted content for blogs, documentation, and README files.
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🔐
JWT Token Generator
DeveloperGenerate and decode JSON Web Tokens for authentication. Inspect headers, payloads, and verify signatures easily.
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Lorem Ipsum Generator
TextGenerate placeholder text for your designs and mockups. Choose between paragraphs, sentences, or words.
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📷
Image Compressor
UtilityCompress JPEG, PNG, and WebP images without losing quality. Adjust quality, resize, and convert formats.
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🔑
UUID Generator
DeveloperGenerate unique UUIDs (v1, v4) for databases, APIs, and applications. Bulk generate up to 1000 at once.
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Hash Generator
SecurityGenerate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text or files securely.
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.*
Regex Tester
DeveloperTest and debug regular expressions with real-time matching, highlighting, and a quick reference guide.
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Why ToolsVault
Developer Tools, Done Right
We built the tools we wished existed — fast, private, and actually useful.
Instant Results, Zero Waiting
No server round-trips means zero waiting time. Paste your JSON, get formatted output instantly. Generate a QR code in milliseconds. It's the speed you expect.
Built with Love for Developers
Created by developers, for developers. Every tool is designed with real-world use cases in mind, not feature checklists. Simple, focused, and effective.
Use Cases
Who is ToolsVault For?
Tailored solutions for every digital creator.
For Developers
- Format and validate JSON with syntax highlighting
- Generate secure passwords and UUIDs instantly
- Encode/Decode Base64 strings for debugging
For Designers
- Generate harmonious color palettes using color theory
- Create QR codes with custom colors and branding
- Generate Lorem Ipsum placeholder text for mockups
For Content Creators
- Analyze word count, reading time, and keyword density
- Write and preview Markdown for blogs and docs
- Generate QR codes for social media campaigns
IN DEVELOPMENT
Stay Tuned for
Upcoming Tools
We're constantly building new tools to make your development workflow smoother. Here's a peek at what's coming next.
In Development
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Diff Checker
Compare two pieces of text and highlight the differences. Perfect for code reviews.
Coming Soon
🕐
Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa with timezone support.
Planned
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CSS Minifier
Minify and optimize your CSS code for faster page loading times.
Planned
📊
JSON to CSV
Convert JSON data to CSV format and vice versa for easy data manipulation.
Get Notified When We Launch
Be the first to know when new tools are available. No spam, just updates.
Testimonials
Loved by Developers
Don't just take our word for it. Here's what the community has to say.
Alex Chen
Frontend Developer at Stripe
"ToolsVault's JSON formatter is incredibly fast. I use it daily for debugging API responses. The syntax highlighting makes it easy to spot issues."
Sarah Miller
Product Designer at Figma
"The color palette generator is my go-to for every project. Being able to export directly to CSS variables saves me so much time."
James Wilson
DevOps Engineer at Netflix
"Finally, developer tools that don't phone home. As someone who works with sensitive data, knowing everything stays local is crucial."
Emma Davis
Technical Writer at Vercel
"The word counter with reading time estimation helps me ensure my documentation is the right length. Simple but incredibly useful."
Michael Brown
Startup Founder
"I recommend ToolsVault to every developer I mentor. Free, fast, and privacy-respecting - exactly what developer tools should be."
Lisa Park
Full Stack Developer
"The QR code generator with custom styling options is perfect for creating branded codes for our clients. Export to SVG is a game-changer."
5,000+
Happy Users
4.9/5
Average Rating
99%
Satisfaction
FAQ
Frequently Asked Questions
Got questions? We've got answers. Can't find what you're looking for? Reach out to us.
01Are these tools really free?
Are these tools really free?
Yes, all tools are completely free to use with no hidden costs, subscriptions, or premium tiers. We believe essential developer tools should be accessible to everyone.
02Do you collect or store my data?
Do you collect or store my data?
No. All processing happens locally in your browser. Your data never leaves your device. We don't use analytics, tracking cookies, or any form of data collection.
03Do I need to create an account?
Do I need to create an account?
No account required. Just open any tool and start using it immediately. No sign-ups, no email verification, no friction.
04Can I use these tools offline?
Can I use these tools offline?
Most tools work offline once the page is loaded. We're working on a full PWA version that you can install on your device for complete offline access.
05Are the tools open source?
Are the tools open source?
Yes! All our tools are open source. You can view the code, contribute improvements, or even host your own instance.
06How do you keep the tools running without ads or subscriptions?
How do you keep the tools running without ads or subscriptions?
We're supported by donations and sponsorships from the developer community. If you find our tools useful, consider supporting us.
Still have questions?
Contact our support team →