2026年最高の無料オンライン生産性ツール
生産性を高める無料ツールコレクション。
Time management tools
- Pomodoro Timer — 25/5 min cycles.
- Online Stopwatch — With lap times.
- Date Difference Calculator — Days until deadline.
- Timezone Converter — International meetings.
Read our Pomodoro technique guide.
Text and writing tools
Financial and math calculators
- Percentage Calculator
- Discount Calculator
- Tip Calculator
- Currency Converter — 150+ currencies.
PDF tools: the paperless office
All process in browser. Read the PDF merge guide.
Personal security tools
Entertainment and curiosity tools
NexTools: everything in one place
189 free tools in 11 languages. All in-browser, no installation, no accounts.
Visit the NexTools homepage to explore.
よくある質問
How many tools does NexTools have
189 tools in 11 languages, all free and no registration required.
Is NexTools safe for sensitive data
Yes. Everything processes in your browser — no data leaves your computer.
Do I need an account to use NexTools
No. All tools are immediately accessible without registration.
Can I use NexTools on my phone
Yes. All tools are responsive and work on any mobile browser.
What languages is NexTools available in
11: Spanish, English, Portuguese, French, German, Japanese, Chinese, Korean, Italian, Vietnamese, Turkish.
What is the most popular NexTools tool
QR code generator, followed by image compressor, PDF tools, and percentage calculator.