Core Development Utilities // Silo
Developer Utilities
High-performance, in-browser developer utilities for software engineers, backend architects, and DevOps professionals. Encode data, convert timestamps, inspect tokens, and format identifiers completely client-side with zero remote data transmission.
Interactive Production Utilities
Client-side execution · Zero network payload transmission · Free forever
Free Utility
Client-Side →
UUID Generator (v4 & v7)
Generate cryptographically random RFC 4122 v4 UUIDs and time-ordered RFC 9562 v7 UUIDs for database primary keys with instant single or bulk generation.
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Free Utility
Client-Side →
UETR Generator (SWIFT gpi)
Generate valid SWIFT gpi and ISO 20022 UETRs in canonical lowercase, with MT103 field 121 and pacs.008 XML output forms.
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Free Utility
Client-Side →
UETR Validator
Check a payment reference against every SWIFT UETR format rule separately: length, grouping, hex, lowercase, version and variant.
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Free Utility
Client-Side →
JWT Decoder & Inspector
Decode and inspect JSON Web Tokens in your browser. Verify payload claims, token expiry, issued-at timestamps, and cryptographic algorithms.
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Free Utility
Client-Side →
Base64 Encoder & Decoder
Encode and decode standard and URL-safe Base64 strings directly in your browser with full UTF-8 character and binary payload support.
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Free Utility
Client-Side →
Unix Epoch Timestamp Converter
Convert Unix timestamps in seconds, milliseconds, and microseconds into UTC and local human-readable datetime with live timezone calculation.
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Free Utility
Client-Side →
Windows FILETIME / AD Converter
Convert Active Directory 64-bit FILETIME timestamps to human-readable ISO 8601 dates and standard Unix epochs without running PowerShell.
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Free Utility
Client-Side →
PostgreSQL Connection String Builder
Build compliant PostgreSQL URIs and key-value connection strings with proper URL password escaping, SSL modes, and pool parameters.
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