About SafeToolsHub
Free, privacy-first online tools built by a cybersecurity professional who believes everyone deserves to be safe online.

Raimundo Coelho
Founder & Cybersecurity Specialist
With over 20 years of experience in Information Technology, I am a cybersecurity specialist and technology professor graduated from Universidade Estácio de Sá. I still teach technology courses today because I believe education is the most powerful tool for digital security.
I created SafeToolsHub because we live in an era where artificial intelligence and digital technology are advancing at an incredible pace — but people are thinking too little about their security and privacy. I wanted to build a place where anyone can access powerful, trustworthy tools without worrying about their data being collected or misused.
Our Story
SafeToolsHub was born from a real-world frustration that I encountered daily — both as a cybersecurity professional and as a professor teaching the next generation of IT professionals. Every time my students or I needed a quick online tool — a password generator, a JSON formatter, an image compressor — we were forced to use websites that either demanded sign-ups, uploaded our files to unknown servers, or bombarded us with aggressive ads and pop-ups.
After over two decades in IT and cybersecurity, I knew there had to be a better way. I asked myself:"Why can't there be a single, trustworthy place with all the tools we need, that actually respects our privacy?" When I couldn't find one, I decided to build it myself — applying everything I've learned about security, privacy, and user experience over my career.
Today, SafeToolsHub offers 47 free online tools across five categories — from text processing and developer utilities to image editing, security tools, and math calculators. Every tool is built with the same core principle I teach my students: your data stays on your device.
Our Mission
I believe that digital privacy is a fundamental right, not a luxury. In a world where artificial intelligence is transforming how we work and live, most people are focused on the amazing possibilities — but too few are thinking about the security risks that come with this digital revolution.
As a professor and cybersecurity specialist, my mission is to democratize access to powerful online tools and security education. Whether you are a student formatting a document, a developer testing a regex, a content creator counting words, or a parent generating a strong password — SafeToolsHub is here for you, completely free, no strings attached.
Beyond the tools themselves, I write all of our educational blog articles to help people understand cybersecurity concepts in plain language — because I believe knowledge is the first line of defense.
What Makes Us Different
100% Client-Side
All processing happens in your browser. Your files, passwords, and data never leave your device.
No Registration
Use any of our 47 tools instantly. No sign-ups, no email required, no accounts to manage.
No Data Collection
We don't store your files, track your tool usage, or collect personal information.
Free Forever
Every tool is completely free. No hidden limits, no premium tiers, no paywalls.
Our 47 Tools
I build and maintain a comprehensive collection of 47 free online tools organized into five categories:
- Text Tools (16) — Word Counter, Case Converter, Text Diff, Alphabetical Sorter, Fancy Text Generator, Number to Words, and more.
- Developer Tools (12) — JSON Formatter, Base64 Encoder, UUID Generator, Regex Tester, URL Encoder, Binary Translator, Meta Tag Generator, and more.
- Image Tools (4) — Image Compressor, Image Resizer, Metadata Remover, and QR Code Generator.
- Security & Privacy (3) — Password Generator (using Web Crypto API), AES-256-GCM Text Encryption, and PDF Tools.
- Math & Calculators (12) — Percentage Calculator, Unit Converter, Date Calculator, Area Calculator, Random Number Generator, and more.
I am constantly developing new tools based on user feedback. If you have a suggestion, I would love to hear from you through our contact page.
Experience & Credentials
SafeToolsHub is built on a foundation of real-world expertise and hands-on experience:
- 20+ years in Information Technology — From infrastructure and networking to software development and cybersecurity, I have worked across the full IT spectrum.
- Cybersecurity Specialist — Graduated from Universidade Estácio de Sá with a specialization in cybersecurity, applying industry best practices to everything I build.
- Active Technology Professor — I teach technology courses, staying current with the latest developments and understanding the real challenges people face with digital security.
- Continuous Learner — The cybersecurity landscape evolves daily. I stay up to date with the latest threats, browser APIs, and privacy regulations (GDPR, CCPA, LGPD) to ensure our tools meet the highest standards.
Every tool on SafeToolsHub is built with the same rigor I apply in my professional work and teach in my classrooms — because your security deserves nothing less.
Security & Trust
Security is not just a feature — it is the foundation of everything I build. Here is how I earn your trust:
- Client-side architecture — Our tools use the Web Crypto API, Canvas API, and modern browser APIs to process data locally. No server round-trips needed.
- HTTPS everywhere — All connections to SafeToolsHub are encrypted with TLS.
- No tracking of tool usage — We use Google Analytics for aggregate traffic data only. We never track what you type, generate, or process.
- Regular security reviews — I continuously review our code for vulnerabilities and follow OWASP security guidelines.
- Minimal dependencies — We keep our dependency footprint small to reduce supply chain risks.
How We Stay Free
Keeping 47 tools free requires resources. I sustain SafeToolsHub through non-intrusive advertising via Google AdSense. I believe in being upfront about this: ads help cover hosting costs and continue developing new tools without charging users.
I am committed to keeping ads tasteful and relevant. I will never use pop-ups, auto-playing videos, or aggressive ad formats that degrade your experience. Your trust matters more to me than ad revenue — it always will.
Have a Question or Suggestion?
I love hearing from users. Whether it is a tool idea, a bug report, or just a hello — reach out!
Contact Me