Free DevOps tools
DevOps toolbox
Free utilities for common DevOps tasks. Every tool runs entirely in your browser. Nothing you paste is uploaded, stored or logged.
JWT decoder
Read a token's header, payload and claims, with expiry checked and the registered claims explained. Decoding only, never verification.
JWTOIDCClaimsUse tool →JWKS to PEM converter
Convert JSON Web Key Sets (JWKS) to PEM format for use in authentication systems.
RSAECEd25519Use tool →Base64 encoder and decoder
Encode and decode Base64 and base64url, with the UTF-8 handling the usual one-line implementations get wrong.
Base64base64urlSecretsUse tool →CIDR calculator
Network and broadcast addresses, usable ranges, masks and subnet splits. Gets /31 point-to-point links and /0 right.
IPv4VPCSubnettingUse tool →Cron expression parser
Read a schedule back in plain English and see when it next fires, including the day-of-month and day-of-week OR rule.
CronCronJobSchedulingUse tool →Kubernetes manifest checker
Structural checks plus the lint rules that catch incidents: mutable tags, missing probes, absent resource limits, root containers.
KubernetesYAMLLintUse tool →Protobuf message decoder
Decode a message off a Kafka topic without the .proto file. Handles Confluent Schema Registry framing.
ProtobufKafkaWire formatUse tool →Regex playground
Live matching, capture groups and replacement. Runs in a worker, so a catastrophically backtracking pattern cannot freeze the page.
RegExpCapture groupsReplaceUse tool →