Convert numbers between binary (2), octal (8), decimal (10), and hexadecimal (16) bases with instant swap. Everything runs locally in your browser — nothing is uploaded.
Convert between binary, octal, decimal, hex
Convert between plain text and binary in both directions — encode text into its base-2 representation or decode binary strings back to readable text, byte by byte. Everything runs locally in your browser — nothing is uploaded.
Encodes any Unicode string into its binary (base-2) representation, byte by byte, with visible byte-boundary separators. Everything runs locally in your browser — nothing is uploaded.
Convert between Roman numerals and decimal numbers. Supports standard numeral rules up to 3999. Everything runs locally in your browser — nothing is uploaded.
Convert IPv4 addresses between dotted decimal, decimal, binary, and hexadecimal formats. Everything runs locally in your browser — nothing is uploaded.
Validates Aadhaar numbers using Verhoeff checksum verification. Checks format rules, detects fake UIDs, and explains Aadhaar number structure. Fully local validation with no data upload.
Number Base Converter lets you convert numbers between binary (2), octal (8), decimal (10), and hexadecimal (16) bases with instant swap. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Convert numbers between binary (2), octal (8), decimal (10), and hexadecimal (16) bases with instant swap. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Upload a file from your device. Drag and drop or use the file picker to select your document.
Yes. After the initial page load, Number Base Converter runs entirely on your device with no internet connection needed. All processing is done locally.
Convert numbers between binary (2), octal (8), decimal (10), and hexadecimal (16) bases with instant swap. All conversions happen locally in your browser.
Format support depends on the specific converter. Check the tool description for supported input and output formats.
Quality depends on the format pair. Lossless conversions preserve original quality; compressed formats offer adjustable quality.
No artificial limits. Very large files may process slower depending on your device's memory.
Yes. All conversions happen locally in your browser. Files never leave your device.
Hex ↔ ASCII Converter
Convert between hexadecimal bytes and ASCII text. Supports custom delimiters and real-time bidirectional conversion. Everything runs locally in your browser — nothing is uploaded.
Unicode Converter
Convert text to Unicode code points with JavaScript escape sequences and HTML entities.