Date difference & day counter
How many days lie between two dates, and what date falls a number of days before or after another.
Dates & calendar
Free online tools that run directly in your browser
A collection of genuinely useful free online tools — no upload, no sign-up, nothing sent to a server. Everything is processed inside your own browser.
Browse all toolsPopular tools
Persian text cleaner
Fix Arabic letters, Persian spacing and stray spaces in one pass.
Text tools
Persian & Latin digit converter
Turn the digits in a piece of text Persian or Latin, leaving the rest of the text untouched.
Text tools
Jalali (Persian) date converter
Convert Persian (Jalali) dates to Gregorian and back, with the day of the week.
Dates & calendar
Toman ↔ Rial converter
Convert an amount between Toman and Rial, Iran's two money units.
Money & banking
Number to Persian words
Enter a number and it is written out in Persian words — for invoices, cheques and contracts.
Money & banking
Categories
Dates & calendar
Convert dates, calculate ages and day differences
3 tools
Money & banking
Toman and Rial, amounts in words, loan payments
5 tools
Text tools
Count, fix and sort text
4 tools
Image tools
Resize, compress and convert images
3 tools
PDF tools
Merge, split and build PDFs
1 tool
Calculators
Percentages, discounts, averages, dates
2 tools
Unit converters
Length, weight, temperature and more
1 tool
Colour tools
Convert colour codes, check contrast
1 tool
Developer tools
JSON, Base64, hashing and encoding
0 tools
Passwords & security
Generate passwords, check their strength
1 tool
Codes & data
QR codes, archives and data formats
1 tool
Recently added
Colour contrast checker
Check the contrast between text and background colour, and see if it meets the WCAG standard.
Colour tools
Image format converter
Convert an image between JPG, PNG and WebP — no resizing, no upload.
Image tools
Unit converter
Convert length, weight, area and temperature between units.
Unit converters
QR code generator
Turn a link, phone number or any text into a QR code — in your browser, no internet needed.
Codes & data
Deposit interest calculator
Calculate bank deposit interest — simple or compound — at the rate and term you enter.
Money & banking
GPA calculator
Calculate your GPA, weighted by each course's credit units.
Calculators
Why these tools?
Private
Your files and text never leave your device — everything is processed in the browser.
Fast
No upload, no waiting on a server. The result is ready immediately.
Free
No sign-up, no account, no usage limits.