Chandrasekhar Yadav

Tools

Small free tools by Chandrasekhar Yadav. Each one runs in your browser: nothing you type or open is uploaded.

  1. QR Code MakerTurn a link, some text, a Wi-Fi login or a PromptPay or UPI payment request into a QR code.
  2. PasswordsMake a strong random password, or a passphrase of random words that is easy to say and remember.
  3. LockboxLock a secret with a passphrase and send it as a link. Only someone with the passphrase can open it.
  4. Scrub for AIHide the personal details in a piece of text before you paste it into an AI chatbot, then put them back into the answer.
  5. To-DoA to-do list with optional due dates, kept in your own browser.
  6. CalendarA month calendar that shows what is due each day.
  7. SignatureDraw your signature and save it as a clean picture with a see-through background, ready to drop into a document.
  8. Photo ShrinkerMake a photo small enough to email or upload, and remove the hidden data inside it, such as where it was taken.
  9. FocusRain and steady noise to work to, with a timer for rounds of work and breaks.