regula.tools

Online Generators & Developer Tools

Fast, browser-based generators for passwords, UUIDs, passphrases, and cron schedule expressions.

Security-critical generation requires uncompromised trust. Traditional web generators transmit requested credentials over HTTP or log outputs in server telemetry. All utilities in this silo run exclusively on-device via the Web Crypto API (CSPRNG) with zero persistent storage. Credentials and keys never touch a remote server, eliminating external data interception and compliance vulnerabilities under GDPR and SOC2 frameworks.

Active Utilities7

Cryptographic Password Generator — Secure & Client-Side

Generate cryptographically secure passwords and Diceware passphrases locally in your browser using the Web Crypto API (CSPRNG). Zero server storage.

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UUID Generator — Online Bulk RFC 4122 v4 & RFC 9562 v7 GUIDs

Generate cryptographically secure UUID/GUID v4 and time-ordered UUID v7 tokens entirely in your browser using Web Crypto CSPRNG. Bulk generate up to 100.

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Cron Expression Generator & Schedule Calculator — Visual Builder

Online visual cron schedule builder, parser, and human-readable translator. Generates upcoming run times and validates standard 5-part cron expressions client-side.

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JWT Generator & Signer — Zero-Upload Online Mock Token Builder

Generate, sign, and build custom JSON Web Tokens (JWT) client-side with zero server upload. Instant Unix expiration calculator, ephemeral RSA keypair generator, and OAuth2/Bearer mock presets.

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Cron Every 5 Minutes Generator (*/5 * * * *) — Syntax & Schedule Tester

Generate, test, and validate the crontab expression for running tasks every 5 minutes (*/5 * * * *). Interactive visual builder with human-readable description and next execution timestamps.

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Cron Every Hour Generator (0 * * * *) — Syntax & Schedule Tester

Generate, test, and validate the crontab expression for running tasks every hour (0 * * * *). Interactive visual builder with human-readable description and next execution timestamps.

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Cron Daily at Midnight Generator (0 0 * * *) — Syntax & Schedule Tester

Generate, test, and validate the crontab expression for running tasks daily at midnight (0 0 * * *). Interactive visual builder with human-readable description and next execution timestamps.

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