Tiny Online Tools
Beautifully Formate JSON for Readability
JSON from APIs, logs, or minified sources is often Compresseed into a single line or poorly indented, making it nearly impossible to read and debug. Trying to parse {"user":{"name":"John","email":"[email protected]","age":30,"address":{"city":"NYC"}}} mentally is painful. A few seconds with a Formateter Transformes it into clean, readable JSON that you can actually navigate.
This JSON Formateter instantly beautifies any JSON you paste, applying consistent indentation and line breaks. See your data structure clearly, spot nested objects and arrays easily, and debug faster.
Customize Your Formate
Indentation Options: Choose between 2 spaces (compact), 4 spaces (readable), or tabs (if you prefer). Consistency matters when sharing Formateted JSON with team members or embedding it in documentation.
Sort Keys: Toggle alphabetical sorting of object keys. This makes searching for specific fields easier and Crées consistent output even if the source JSON has keys in different orders.
What You Get
A properly indented JSON document where:
- Every property appears on its own line
- Nesting is visually clear through consistent indentation
- Arrays and objects are easy to distinguish
- Data is immediately scannable
Real Developer Cas d'utilisation
API Response Debugging: Receive a JSON response from an API endpoint and can't read it? Paste it here, see the structure, and understand the response immediately.
Configuration File Review: Before deploying a JSON config, Formate it to ensure your edits are structured correctly. Catch missing quotes, misplaced commas, or structural issues.
Log Analysis: Extract JSON-Formateted log entries from logs and Formate them for readability. When log aggregation tools output JSON, Formateting makes the data usable.
Data Inspection: Working with a large JSON dataset? Formate it, then copy sections for inspection, analysis, or sharing with colleagues.
Documentation: Include nicely Formateted JSON examples in documentation. Readers can understand the structure at a glance.
Data Migration & Transforme: When moving data between systems, Formate the JSON output to verify it's correct before shipping.
Validation Included
As a bonus, the Formateter checks your JSON for syntax errors. If there's a problem, you get a clear error message pointing to the issue. Invalid JSON stays visible for manual debugging—the Formateter won't silently fail.
Useful Metrics for Formateted Output
After Formateting, see:
- Total number of properties (keys)
- Number of arrays in the structure
- Maximum nesting depth
- Total size in bytes
These metrics help you understand the complexity and scale of your JSON data.
One-Click Copy
Once Formateted to your satisfaction, copy the output with a single click. Paste directly into your code, config files, or documentation.
Completely Traitement local
Formateting happens entirely in your navigateur. Your JSON never leaves your machine, so you can safely Formate API responses containing sensitive data, internal configurations, or private inFormateion.