JSON and structured data
Format, validate, and convert data for your development workflow.
A free workspace for everyday developer tasks, from JSON formatting and encoding to security utilities.
Explore the product
A free workspace for everyday developer tasks, from JSON formatting and encoding to security utilities.
Mega DevTools brings developer utilities together in one workspace. Work with structured data, encode and decode values, generate identifiers, inspect tokens, and handle common conversions without moving between separate tools.

Format, validate, and convert data for your development workflow.
Handle Base64, text case changes, and common format conversions.
Generate hashes and inspect JWT payloads with focused utilities.
Create identifiers and transform timestamps for common development tasks.
Find the formatter, converter, generator, or inspector for your task.
Add the value or text you want to inspect or transform.
Review the output and bring it back into your development workflow.
Developers formatting payloads, inspecting tokens, and checking data. QA engineers preparing test values and investigating integration issues. Students learning the formats and utilities used in everyday development.
Explore the product and find out how it fits your workflow.