// Developer utilities · 15 live · 0 incoming
Format, validate,
and ship. No tabs left open.
One sharp toolkit for the small jobs you do all day. Everything runs in your browser — no sign-up, no uploads, no waiting on a server.
// The toolkit
[15/15]- 01Ready
JSON Formatter
Beautify, minify, and validate JSON with precise error locations.
Open - 02Ready
Base64 Encoder / Decoder
Encode and decode Base64 for text and files, including URL-safe.
Open - 03Ready
UUID Generator
Generate v4 and time-ordered v7 UUIDs in bulk, ready to copy.
Open - 04Ready
Regex Tester
Test regex with live highlighting, capture groups, and flags.
Open - 05Ready
YAML Validator
Validate YAML and convert to and from JSON.
Open - 06Ready
Case Converter
Convert between camelCase, snake_case, kebab-case, and more.
Open - 07Ready
HTML Entity Encoder
Escape and unescape HTML entities and special characters.
Open - 08Ready
URL Encoder
Percent-encode and decode URLs and query parameters.
Open - 09Ready
Number Base Converter
Convert between binary, octal, decimal, and hexadecimal.
Open - 10Ready
Color Converter
Convert colors between HEX, RGB, and HSL with a live preview.
Open - 11Ready
Unix Timestamp Converter
Convert Unix epoch timestamps to dates and back.
Open - 12Ready
JWT Decoder
Decode a JWT's header and payload with readable claim times.
Open - 13Ready
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text.
Open - 14Ready
JSON ↔ CSV Converter
Convert JSON to CSV and CSV back to JSON.
Open - 15Ready
Cron Expression Explainer
Translate a cron expression into plain English.
Open
// Why this toolkit
Private by design
Your data never leaves your device. Every tool processes input locally, so it is safe for API responses, tokens, and config files.
Instant
No page reloads, no spinners, no server round-trips. Paste your input and the result is already there.
Free, forever
Supported by unobtrusive ads so the tools stay free for everyone, with no paywall and no account.