FREE DEVELOPER TOOLS · IN-BROWSER
Free Avro & Kafka developer tools
Four focused utilities for daily work with Avro schemas and Kafka messages. They run entirely in your browser. No installs, no accounts, and nothing you paste leaves the tab.
✓ Free ✓ No sign-up ✓ Nothing leaves your browser
VALIDATE
Schema Validator
Check a JSON record against an Avro AVSC schema and see exactly which fields fail and why.
items[0].qty ✗ expected long, got stringOpen Schema Validator → INFER
Schema Inferrer
Generate an AVSC schema from one or more JSON examples: types, unions, nested records and arrays.
"coupon": ["null", "string"]Open Schema Inferrer → DECODE
Kafka Message Decoder
Turn Avro-encoded Kafka messages (base64 or hex) into readable JSON, with full wire-format inspection.
magic 0x00 · schema id 42 · payload 38 BOpen Kafka Message Decoder → ENCODE
Kafka Message Encoder
Encode JSON to Avro binary for Kafka and get a ready-to-paste kcat producer command.
echo … | kcat -P -b <broker> -t <topic>Open Kafka Message Encoder →
Your data stays put. Every tool runs locally in your browser. Schemas, records and messages are never uploaded anywhere, and there is nothing to sign up for.
BUILT BY THE PLATFORM TEAM
These tools come from the team behind the TypedFlows platform
When ad-hoc work turns into a pipeline, the platform takes over: visual flows, managed deployments and environments.