JSON Merge Tool

Merge JSON Files
Effortlessly

Upload multiple JSON files and merge them into a single, unified file. Fast, secure, and processed locally in your browser.

No file size limits

Privacy focused

Instant processing

Upload Files

Select or drag and drop your JSON files. Files must have the same structure to be merged.

Upload JSON files

Drag and drop your JSON files here, or click to browse

Supports multiple files • Max 10MB per file