15 tools in this category

Converters

Best free online converters — Unix timestamp, unit converter, IBAN validator, Base64, color formats, IPv4, number bases, and more. Instant results, no sign-up required.. Explore 15 browser-based tools with no sign-up required.

Validate IBAN bank account numbers instantly — extract BIC/SWIFT code, country, bank code, and account details. Supports all SEPA countries.

Base64 to Image

Convert Base64 back to image files

Temperature Converter

Convert between Celsius, Fahrenheit, Kelvin

IPv4 Address Converter

Convert IPv4 addresses to integer, binary, hexadecimal, and CIDR notation — essential for network programming and subnet calculations

Text to Unicode

Convert text to Unicode escape sequences

Text ↔ Binary

Convert text to binary and vice versa

Integer Base Converter

Convert numbers between decimal, hexadecimal, binary, and octal — instantly with a step-by-step breakdown

Roman Numeral Converter

Convert Arabic numbers to Roman numerals

Base64 File Converter

Convert images and files to Base64 strings

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and back — supports milliseconds, seconds, ISO 8601, and any timezone. Live current timestamp included.

ISO 8601 Date Formatter

Format dates to standard ISO 8601 instantly for developers and databases

Morse Code Converter

Convert text to Morse code and decode Morse code back to text instantly

Time Duration Converter

Easily convert between milliseconds, seconds, hours, days, and years instantly

Global Timezone Converter

Easily sync times across different time zones with our real-time world clock

Convert between different units

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