All-in-one collection of free online PDF, URL, Base64, and developer tools!
HarisLab is a comprehensive suite of free, fast, and privacy-focused online tools designed for developers, students, content creators, and anyone who needs quick utilities without the hassle of installations or sign-ups.
- ⚡ Lightning Fast - All tools run locally in your browser
- 🔒 Privacy First - No data is stored or sent to servers
- 💯 100% Free - No hidden costs, no subscriptions
- 🚫 No Watermarks - Use outputs freely without restrictions
- 📱 Mobile Friendly - Works seamlessly on all devices
- 🎨 Modern UI - Clean and intuitive interface
- 🔧 No Installation - Access tools instantly from your browser
| Tool | Description | Link |
|---|---|---|
| Case Converter | Convert text between different cases (upper, lower, title, etc.) | Try Now |
| Text Trimmer | Remove extra spaces and clean up text | Try Now |
| Word Counter | Count words, characters, and sentences | Try Now |
| Text Reverser | Reverse your text instantly | Try Now |
| Lorem Ipsum Generator | Generate placeholder text for your projects | Try Now |
| Password Generator | Create strong, secure passwords | Try Now |
| Random Name Generator | Generate random names for testing | Try Now |
| Online Notepad | Simple and fast online notepad | Try Now |
| PDF Tools | Comprehensive PDF manipulation tools | Try Now |
| Unit Converter | Convert between different units | Try Now |
| Currency Converter | Real-time currency conversion | Try Now |
| Time Zone Converter | Convert times across time zones | Try Now |
| Barcode Generator | Generate various barcode formats | Try Now |
| Random PIN Generator | Generate secure random PINs | Try Now |
| URL Shortener | Shorten long URLs easily | Try Now |
| Tool | Description | Link |
|---|---|---|
| API Tester | Test REST And GraphQL APIs directly from browser | Try Now |
| JSON Formatter | Format and validate JSON data | Try Now |
| XML/YAML Formatter | Format XML and YAML files | Try Now |
| Code Minifier | Minify CSS, JS, and HTML code | Try Now |
| Base64 Tool | Encode and decode Base64 strings | Try Now |
| URL Encoder/Decoder | Encode and decode URLs | Try Now |
| QR Code Generator | Generate QR codes instantly | Try Now |
| Regex Tester | Test and debug regular expressions | Try Now |
| Color Picker | Pick and convert colors | Try Now |
| Timestamp Converter | Convert Unix timestamps | Try Now |
| UUID Generator | Generate unique identifiers | Try Now |
| Tool | Description | Link |
|---|---|---|
| Image Converter | Convert images between formats | Try Now |
| Image Resizer | Resize images to custom dimensions | Try Now |
| Hash Generator | Generate MD5, SHA hashes | Try Now |
| Audio Converter | Convert audio files between formats | Try Now |
| Emoji Tools | Browse and copy emojis | Try Now |
| Tool | Description | Link |
|---|---|---|
| IP Lookup | Get detailed IP address information | Try Now |
| Email Validator | Validate email addresses | Try Now |
| SSL Checker | Check SSL certificate details | Try Now |
| Game | Description | Link |
|---|---|---|
| Neon Flap | Fun browser-based game | Play Now |
Simply visit harislab.tech and start using any tool - no sign-up required!
Contributions are welcome — especially non-code contributions that improve the experience for everyone:
- Suggest new tools (linters, formatters, CI, testing, UX or new utilities)
- Improve the README and documentation (setup, usage, examples, FAQs)
- Report and help triage issues
- Polish templates (issues/PR), workflows, and community docs
See the full guide in CONTRIBUTING.md.
- For general bugs or broken links (e.g., tool links in this README), please open an issue using the “Bug report” template and include the exact URL/section.
- For security concerns, do not open a public issue. Follow the process in SECURITY.md.
- Code of Conduct: CODE_OF_CONDUCT.md
- Security Policy: SECURITY.md
- Contributing Guide: CONTRIBUTING.md
- Changelog: CHANGELOG.md
- Funding: .github/FUNDING.yml