Developer Productivity Suite

DevUtility Hub — Developer Productivity Suite

DevUtility Hub is a zero-latency, privacy-first developer utility suite. All transformations, regular expression evaluations, cryptographic hashes, and code formatting operations execute 100% locally in your browser memory via the W3C Web Cryptography API and client-side JavaScript engines. No source code, text payloads, or developer credentials are ever transmitted to remote servers.

Interactive Developer Utilities:

CSS Box Shadow Generator →
Design multi-layered smooth CSS drop shadows and inset shadows with real-time blur, spread, and color adjustments.
CSS Gradient Generator →
Build multi-stop linear, radial, and conic gradients with 360-degree angle control, color stops, and CSS export.
Regex Tester & Debugger →
Real-time JavaScript regular expression matcher with syntax validation, capture groups, sub-millisecond execution timing, and flags.
JSON Formatter & Validator →
Format, beautify, minify, and inspect JSON payloads with RFC 8259 syntax validation and line-by-line error indicators.
Base64 Text & File Encoder/Decoder →
Encode and decode multi-byte UTF-8 text and binary files (images, audio, PDF) to Base64 and Data URIs.
URL Encoder & Decoder →
RFC 3986 percent-encoding and decoding for URL query parameters, URI path segments, and full web addresses.
SHA Cryptographic Hash Generator →
Compute hardware-accelerated SHA-256, SHA-512, SHA-384, and SHA-1 checksums locally using the Web Cryptography API.
UUID / GUID v4 Generator →
Generate cryptographically strong RFC 4122 Version 4 random UUIDs in bulk using browser hardware CSPRNG entropy.