Prince SadariyaUtilities
Small, free tools that run entirely in your browser. More coming soon.
Word & Character Counter
Count words, characters, sentences, and reading time as you type.
JSON Formatter & Validator
Pretty-print, minify, and validate JSON, with clear error messages.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to plain text.
UUID Generator
Generate one or many RFC 4122 v4 UUIDs.
Password Generator
Generate strong, random passwords with adjustable rules.
Hash Generator
Compute MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes.
JWT Decoder
Decode a JSON Web Token's header and payload.
Regex Tester
Test a regular expression against text with live match highlighting.
Color Converter & Contrast Checker
Convert HEX, RGB, and HSL, and check WCAG contrast ratios.
Timestamp / Epoch Converter
Convert between Unix timestamps and human-readable dates.
Case Converter
Convert text between camelCase, snake_case, Title Case, and more.
Markdown Previewer
Write Markdown and see a live, sanitized HTML preview.
Diff Checker
Compare two blocks of text line by line.
QR Code Generator
Generate and download a QR code from any text or URL.
Cron Expression Explainer
Describe a cron expression in plain English with upcoming run times.
Lorem Ipsum Generator
Generate placeholder text by words, sentences, or paragraphs.
CSV ↔ JSON Converter
Convert CSV data to JSON, or JSON back to CSV.
YAML ↔ JSON Converter
Convert YAML to JSON, or JSON back to YAML.