Calculator
Quick arithmetic operations for daily use.
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UtilityBox – Free Online Utility Tools
Smart tools for daily tasks — no sign-up needed
25 free tools · No sign-up
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Calculators, converters, PDF, password and developer tools — free, instant and private. Everything runs right in your browser.
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Popular: PDF tools EMI calculator QR code JSON formatter Password
- 25free tools
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- 13themes
Unit Converter
Convert length, weight, temperature, speed, data and more — 8 categories.
Open Unit ConverterCurrency Converter
Live exchange rates with fluctuation trend.
Open Currency ConverterAge Calculator
Find age from date of birth instantly.
Open Age CalculatorPassword Generator
Create strong random passwords quickly.
Open Password GeneratorQuick Notes
Save reusable notes in browser storage.
Open Quick NotesFM Radio
Play live FM radio streams with station selection.
Open FM RadioGlobal Clock
Current time + world clocks with all-country support.
Open Global ClockQR Code Generator
Create QR codes for links, text and contact details.
Open QR Code GeneratorPDF Utility Hub
Text/Image/Word to PDF and PDF to Word conversion.
Open PDF Utility HubPassphrase & PIN Generator
Generate memorable passphrases and random numeric PINs.
Open Passphrase & PIN GeneratorCase Converter
Convert text to upper, lower, title and more.
Open Case ConverterEncoder / Decoder
Encode/decode Base64 and URL formats quickly.
Open Encoder / DecoderText Encryption / Decryption
Encrypt and decrypt text securely with a custom secret key.
Open Text Encryption ToolFile Size Reducer
Compress images and PDFs to a target size in KB or MB.
Open File Size ReducerRegex Tester
Test regular expressions with real-time matching output.
Open Regex TesterCron Generator
Build cron expressions for scheduled tasks.
Open Cron GeneratorBudget Box
Set income, track expenses and see remaining balance.
Open Budget BoxSplit Expense
Split expenses fairly between friends and view settlements.
Open Split Expense CalculatorEMI Calculator
Calculate EMI for loans and credit card repayment plans.
Open EMI CalculatorJSON Formatter & Validator
Validate, prettify and minify JSON instantly.
Open JSON FormatterSQL Formatter
Beautify messy SQL queries for cleaner reading.
Open SQL FormatterTimestamp Converter
Convert Unix timestamps to dates and back. Live UTC clock.
Open Timestamp ConverterInvoice Generator
Create professional invoices with tax, discount and PDF export.
Open Invoice GeneratorHTML Online Viewer
Write or paste HTML and preview it live in the browser — no server needed.
Open HTML Viewer