Number Format Converter
Need to convert ‘twenty-three’ to ’23’ or vice versa? Our number normalizer handles bidirectional conversion between written numbers and digits, perfect for consistency across documents or meeting specific style requirements.
How the Number Format Converter works
Paste text with mixed number formats. Choose your direction: numbers to words (23 → twenty-three) or words to digits (twenty-three → 23). The tool handles common numbers, maintaining your chosen consistency throughout. Perfect for meeting publication standards, improving readability, or preparing text for specific applications. Handles numbers up to billions accurately.
Number consistency improves professionalism. Academic papers require written numbers, data entry needs digits, and different industries have different standards. This tool ensures your transcripts meet requirements without manual find-and-replace sessions.
Meet the fastest voice-to-text for professionals
WriteVoice turns your voice into clean, punctuated text that works in any app. Create and ship faster without typing. Your first step was Number Format Converter; your next step is instant dictation with WriteVoice.
A blazing-fast voice dictation
Press a hotkey and talk. WriteVoice inserts accurate, formatted text into any app, no context switching
Works in any app
Press one hotkey and speak; your words appear as clean, punctuated text in Slack, Gmail, Docs, Jira, Notion, and VS Code—no context switching, just speed with writevoice
Accurate, multilingual, and smart
97%+ recognition, smart punctuation, and 99+ languages so your ideas land first try, built for teams and pros.
Private by default
Zero retention, audio and text are discarded instantly, with on-device controls so you can dictate sensitive work confidently.