DataHunter
Data tools that run in your browser
Find free datasets for Excel, Power BI, SQL and machine learning — with the license shown up front. Plus browser tools: JSON and Markdown editors, PDF, QR codes, encrypted notes and file transfer. No sign-up.
Free datasets from Hugging Face, Zenodo and open government portals. Ideas for Excel, Power BI and SQL practice
What works right now
Tools that are open to everyone. More are on the way.
Documents and media
Open a PDF, fix a page, trim a video, write a text. Files are processed on your device and never uploaded.
For developers
Formats, codes and network: format JSON, make a QR code, pick a live proxy for your scraper.
Dataset search
Find free datasets for practice and projects: CSV, Excel, JSON, SQL. The license is always shown.
JSON editor
Format, check and fix JSON. Errors are shown with the exact line.
QR code generator
Create custom QR codes for URLs, contacts, WiFi and more.
Proxy list
Live public HTTP and SOCKS5 proxies with country, speed and filters.
Proxy checker
Check your own proxies: whether they work, protocol, country, speed and anonymity.
Network and domains
Check your IP, a domain's DNS, WHOIS and SSL certificate.
For yourself
Not about files but about you: hold your focus, take a breath, keep a note only you can read, pass a file straight to another browser.
FlowTime
Pomodoro and time tracking: focus, tasks, reports
Breathing exercise
Box breathing and 4-7-8 with a calm visual rhythm to follow.
Microphone test
Speech level, room noise and the headroom between them, each one explained
XNote
Self-destructing notes you share as a one-time link. Encrypted end-to-end, nothing is stored on a server.
File transfer
Send a file straight to another device, with no upload to a server.
Saga
An infinite canvas where you explain an idea, with every step recorded and replayed.
Why it is worth using
Nothing leaves your browser
Files are neither uploaded nor stored on our servers. Editing happens entirely on your device.
Your work is not lost
Recent documents are kept in the browser, so you can return to what you were doing.
No sign-up
Open the page and start working. No account, no email, no limits.
What comes next
DataHunter is growing into a platform for collecting and processing data: webhook capture, social media parsers, storage and a data marketplace.