~/tools
Tools — small, free, no signup.
Utilities I reach for often enough that I got tired of hunting for an ad-choked version of them. Each one runs entirely in your browser — nothing you paste is uploaded, logged, or stored. No accounts, no limits.
- Installment vs Cash CalculatorWork out whether paying monthly or paying upfront actually costs you less.
- JSON Formatter & ValidatorBeautify, minify, and validate JSON in your browser.
- UUID GeneratorGenerate cryptographically random UUID v4 identifiers.
- Base64 Encoder / DecoderEncode text to Base64 or decode it back — UTF-8 safe.
- URL Encoder / DecoderPercent-encode or decode URLs and query parameters.
- Unix Timestamp ConverterConvert between Unix epoch time and human-readable dates.