buncha.tools
buncha/code & dev/baseconv

Number Base Converter

Input base
Decimal (10)255
Binary (2)11111111
Octal (8)377
Hexadecimal (16)FF
Click any row to copy

Pairs well with

Tap Drill Chart
UNC, UNF, and ISO metric tap-drill sizes at 75% th…
Unit Converter
Convert between temperature, weight, length, volum…
Binary Converter
Convert text to binary and binary to text.
Percentage Calculator
Calculate percentages, increases, decreases, and c…

About Number Base Converter

Convert between decimal, binary, octal, and hex.

Everything happens on your device. Close the tab and it's gone.
b
Built browser-first. Run by one developer.
Every tool runs on your device. No tracking pixels, no sign-up to start. The numbers below are pulled live from the registry.
386
Free tools
Across 14 categories
7
Visual editors
PDF · image · video · audio
34
Curated kits
By profession + lifestyle
27
AI tools
Powered by Claude API
Files never uploadNo tracking pixelsNo sign-up neededWorks in any modern browser
The handful of AI tools (paraphrase, summarise, blog, captions, etc.) send your prompt text to Anthropic's Claude API to do the work. Files, images, PDFs and video never leave your device. Pick the tools that fit your privacy comfort.