Every dev tool you actually use, in one workspace

Webhook debugging, JSON, JWT, base64, regex, cron — all in one place.

Momentum bundles every tool a backend or full-stack developer reaches for during the day: webhook capture and replay, JSON formatter/validator/diff/codegen, JWT decoder, base64 toolkit (text + files + images), URL encoder, regex tester with replace preview, timestamp converter with multi-timezone view, cron expression parser, hash generator (MD5/SHA-1/SHA-256/SHA-512), JSON ↔ YAML and JSON → CSV converters, slug generator, color converter (HEX/RGB/HSL/OKLCH), HTTP status code reference, and more. Everything runs in your browser — no signup needed for most tools.