Free Online Tools
That Respect
Your Privacy
Edit PDFs, format JSON, convert images, generate passwords, and more — 50+ free tools that run in your browser, so your files never leave your device. No sign-up, no uploads.
No File Uploads
Your PDFs, images, and data are processed in your browser. They never reach our servers.
Instant Results
No upload round-trips or server queues — even large files convert in seconds on your own device.
No Account Needed
No sign-up, no email, no saved history of what you process. Open a tool and use it — that's the whole process.
Developer & Scripting
JSON, JWTs, regex, and other everyday dev tasks.
UUID Generator
Generate random unique IDs.
JWT Decoder
Decode and inspect JWT tokens.
CSV to JSON
Convert CSV data to JSON.
JSON Formatter
Format and validate JSON.
Regex Tester
Test regex patterns live.
Base64 Encoder
Encode & decode Base64 text.
Text Compare
Compare two texts side-by-side.
HTML/CSS Formatter
Beautify HTML & CSS code.
Documents & Media
Edit PDFs, convert images, and transcribe audio — all in your browser.
Productivity & Logistics
QR codes, passwords, and everyday utilities.
QR Generator
Create custom QR codes.
Barcode Output
Generate UPC, EAN & Code128 barcodes.
Password Gen
Generate strong random passwords.
IP Check
Check your public IP address.
vCard Generator
Create digital business cards.
QR Scanner
Scan QR codes with your camera.
Whois Query
Look up domain ownership info.
DNS Lookup
Check A, MX, TXT & CNAME records.
Drop PDF files here
or click to browse files
Why People Choose Mavertex
Your Files Stay Yours
Most online tools upload your files to a server. Ours process everything locally in your browser — your files never leave your device.
Built With Care
Clean interfaces, dark mode support, and fast load times — no pop-ups, no nags, no dark patterns.
Always Improving
We ship improvements and new tools regularly, based on real feedback from people who actually use them.
Frequently Asked Questions
Straight answers about how Mavertex actually works.
How is Mavertex different from other online tool sites?↓
Most online tools upload your files to a server for processing. Ours run directly in your browser using JavaScript and WebAssembly — your files stay on your device, which is both faster and more private.
Are there hidden limits or paid tiers?↓
No. Every tool is fully free with no rate limits, file size caps, or watermarks. Since processing runs on your device rather than our servers, there's no usage cost for us to pass on.
Do the tools work offline?↓
You need internet to load a tool the first time. After that, most browser-based tools (like the JSON formatter or regex tester) keep working even if your connection drops.
Your Files.
Your Device.
No uploads, no sign-up, no software to install. Pick a tool and get started in seconds.