16 Free Dev Tools,
Fast & Private
All tools run entirely in your browser. Your data never leaves your device. No ads, no tracking, no BS.
Encoding & Decoding
JSON Formatter
Format, validate, and minify JSON with syntax highlighting.
Base64 Encoder / Decoder
Encode text or files to Base64, decode Base64 back to text.
URL Encoder / Decoder
Encode or decode URL components and query strings.
HTML Entity Encoder
Encode special characters to HTML entities or decode entities back to text.
Generators
UUID Generator
Generate v4 UUIDs instantly. Bulk generate and copy with one click.
Cron Generator
Build cron expressions visually with human-readable descriptions.
Lorem Ipsum Generator
Generate placeholder text for mockups and designs. Paragraphs, sentences, or words.
Security & Auth
Password Generator
Generate cryptographically secure random passwords with custom length and character options.
Hash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text.
JWT Decoder
Decode and inspect JSON Web Tokens. View header, payload, and expiry.
Text & Code
Converters
Privacy First
All processing happens locally in your browser. Zero data sent to servers.
Instant Results
No loading screens, no API calls. Results appear as you type.
Always Free
No freemium, no paywalls. Every tool is 100% free forever.