Paste or type code here, or drop a file. The format is detected automatically.

Format, decode and view code in your browser

Paste JSON, YAML, XML, Markdown and more to get it pretty-printed and syntax-highlighted. Encoded input is unwrapped first: Base64 (including gzipped payloads) and URL-encoded text are decoded, then detected again.

Supported formats

• JSON formatterpretty-print and fold
• YAML formatterconsistent indentation
• XML formatterwhitespace-preserving
• Markdown previewsource and rendered
• JWT decoderheader and payload
• JSON Schema viewerinteractive tree
• Kubernetes CRD viewerbrowsable schema docs
• Markwhen viewertimeline chart
• CSV viewersortable table
• Certificate decoderPEM, CSR, X.509

Also formats HTML, CSS, JavaScript and JSON Lines; highlights HCL/Terraform, Go and shell scripts; decodes Base64 and URL-encoded text.

Runs entirely in your browser: nothing you paste or drop is uploaded.