Question 1

How do I validate JSON?

Accepted Answer

Paste JSON into FixYAML and use the JSON tool to check syntax before converting valid JSON into YAML.

Question 2

How do I format JSON?

Accepted Answer

Use a JSON formatter to parse JSON, clean the structure, and make nested objects and arrays easier to read.

Question 3

How do I encode Base64?

Accepted Answer

Paste plain text into the Base64 tool and choose encode to generate a Base64 string.

Question 4

How do I decode Base64?

Accepted Answer

Paste a Base64 string into the Base64 tool and choose decode to convert it back into readable text.

Question 5

What is YAML?

Accepted Answer

YAML is a human-readable data serialization format commonly used for configuration files, Kubernetes manifests, CI/CD pipelines, Docker Compose, Helm values, and Ansible playbooks.

Question 6

How do I validate YAML?

Accepted Answer

Paste YAML into FixYAML and the online YAML validator checks syntax, indentation, duplicate keys, tabs, and common parsing problems.

Question 7

How do I convert YAML to JSON?

Accepted Answer

Choose the YAML to JSON tool, paste YAML, and FixYAML converts valid YAML into formatted JSON in the browser.

Question 8

What causes YAML parsing errors?

Accepted Answer

Common YAML parsing errors are caused by bad indentation, tab characters, duplicate keys, missing colons, unquoted special values, and inconsistent lists or mappings.

Question 9

How do I fix indentation issues in YAML?

Accepted Answer

Use spaces instead of tabs, keep nested keys aligned consistently, and run the YAML formatter to regenerate readable two-space indentation.

Question 10

What is FixYAML?

Accepted Answer

FixYAML is a free online YAML validator and YAML formatter for checking YAML syntax, formatting YAML, fixing common YAML issues, and converting between YAML and JSON.

Question 11

Can FixYAML validate Kubernetes YAML?

Accepted Answer

Yes. FixYAML includes a Kubernetes manifest validator that checks common resource issues after parsing valid YAML.

Question 12

Does FixYAML upload my YAML files?

Accepted Answer

Validation, formatting, and conversion run in the browser for the main tools, so you can inspect and fix YAML locally in the page.

FixYAML

Free YAML Validator, YAML Formatter, and Fix YAML Tool

Validate and Fix YAML

Format YAML Online

YAML, JSON, and Kubernetes Tools