About DevRivet

DevRivet is a free collection of 10 focused, fast developer tools that run entirely in your browser:

• Base64 Encoder / Decoder — Encode and decode Base64 instantly in your browser.
• UUID Generator — Generate secure UUID v4 and time-ordered UUID v7 identifiers.
• SQL Formatter — Format and beautify SQL queries for popular SQL dialects.
• Cron Expression Generator — Build, understand and validate cron expressions.
• JSON Formatter / Validator — Pretty-print, minify, and validate JSON instantly.
• URL Encoder / Decoder — Encode and decode URL/query-string components.
• Unix Timestamp Converter — Convert between Unix timestamps and human-readable dates.
• JWT Decoder — Decode a JWT's header and payload instantly.
• Regex Tester — Test JavaScript regular expressions with match highlighting and capture groups.
• Hash Generator — Generate SHA-256, SHA-384, SHA-512 and SHA-1 hashes.

There is no sign-up, no login, and no backend processing of your input. Each tool is built to load quickly and work the same on desktop and mobile.

We intentionally keep this site focused on developer utilities. We do not mix in unrelated categories like image editing, timers, or calculators — those may become separate, dedicated sites in the future.