DevUtils
All-in-one toolkit
Text
Text Converter
Transform, clean & convert text
Diff Viewer
Compare two texts and highlight changes
Data
JSON Converter
Validate, format, auto-fix & convert JSON
Object Key Converter
Transform field names and formats
Mock API Generator
Create stateless dummy API JSON responses
Dev Tools
JWT Decoder
Decode & inspect JWT tokens
Code Formatter
Beautify, indent, and format code
HTML Editor
Edit and preview HTML & CSS in real-time
Utility
QR Generator
Generate QR codes for URLs, text, and more
ATS Resume Builder
Build a single-column, ATS-friendly resume online
Learn
DSA
Interactive Data Structures & Algorithms visualizers
HTTP Codes
HTTP Status Codes
Object Key Converter
Instantly transform object keys and field names without modifying your actual data.
Settings
Target Format:
camelCase (e.g., firstName)
snake_case (e.g., first_name)
PascalCase (e.g., FirstName)
kebab-case (e.g., first-name)
CONSTANT_CASE (e.g., FIRST_NAME)
dot.case (e.g., first.name)
Train-Case (e.g., First-Name)
lowercase (e.g., firstname)
Format Now
Input
Input format
JSON
YAML
URL Params
Plain Text List
ENV / Properties
CSV Headers
Try Example
Result
Copy Result
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