OneDevTools
All Tools33
Formatter & ValidatorMinifier
Base64 Encoder/DecoderURL Encoder/Decoder
Case ConverterWord CounterLorem Ipsum
UUID GeneratorHash GeneratorTailwind Theme
Unix TimestampNumber Base
Password Generator
CSS MinifierCode to ImageVim Cheat SheetLinux Cheat Sheet
Merge PDFSplit PDFImages to PDFPDF to ImagesRotate PDFPDF Metadata
CSV to JSONJSON to CSVCSV to SQLCSV to MarkdownDuplicate RemoverColumn SplitterEmail ValidatorPrompt RunnerTranslatorBulk Content Generator
Home33 tools
  1. Home
  2. Converters
Home›Converters
⇄

Converters

Convert between different data formats and representations instantly. The number base converter handles binary, octal, decimal, and hexadecimal; the Unix timestamp converter translates epoch timestamps to human-readable dates and back.

All Converters2

Unix Timestamp Converter

Convert Unix epoch timestamps to human-readable dates and vice versa — supports milliseconds.

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal bases instantly.

Frequently Asked Questions

How do I convert binary to decimal online?

Use the Number Base Converter. Enter your binary number in the binary (base 2) field and the tool instantly shows the decimal (base 10), octal (base 8), and hexadecimal (base 16) equivalents.

How do I convert a Unix timestamp to a readable date?

Use the Unix Timestamp Converter. Paste the epoch timestamp (in seconds or milliseconds) and the tool shows the corresponding ISO 8601 date and local time.

What number bases does the converter support?

The Number Base Converter supports binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16).

Related Categories

Developer ToolsGeneratorsEncoding Tools
Browse all tools
OneDevTools

30+ free developer tools. JSON, CSV, PDF, encoding, generators and more. All run locally in your browser — your data never leaves your device.

100% client-side · No sign-up

Popular

  • JSON Formatter
  • Base64 Encoder
  • UUID Generator
  • Password Generator
  • Merge PDF
  • CSV to JSON
  • Case Converter
  • Hash Generator

More Tools

  • JSON Minifier
  • URL Encoder
  • Word Counter
  • Lorem Ipsum
  • Unix Timestamp
  • Number Base
  • CSS Minifier
  • Code to Image
  • Vim Cheat Sheet
  • Linux Cheat Sheet

PDF & CSV

  • Split PDF
  • Images to PDF
  • PDF to Images
  • Rotate PDF
  • PDF Metadata
  • CSV to SQL
  • CSV to Markdown
  • CSV Email Validator

AI Tools

  • CSV Prompt Runner
  • CSV Translator
  • Bulk Content Generator
  • Tailwind Theme Generator

Browse

  • All Tools
  • JSON Tools
  • PDF Tools
  • CSV Tools

© 2026 OneDevTools. All rights reserved.

Built for developers · Privacy-first · No tracking