JSON File Splitter Online
Split large JSON files online quickly and easily 100% free
JSON File Splitter Online launched on March 12, 2025 with 9 votes, #3,084 of 7,215 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Split large JSON files online quickly and easily. Free tool to divide JSON files into smaller parts with perfect structure preservation. No signup required.
Use this free JSON splitter online to split a JSON file into multiple valid files by item count, chunk count, or file size. Preview and download every part locally.
Use this JSON splitter online to split a JSON file into multiple valid files by item count, chunk count, or maximum size. Preview every part and download individual files or one ZIP without uploading your data. Split arrays or objects by item count, number of chunks, or maximum file size. Processing happens locally. [ { "id" : 1 , "name" : "Alice" , "role" : "admin" } , { "id" : 2 , "name" : "Bob" , "role" : "editor" } , { "id" : 3 , "name" : "Charlie" , "role" : "viewer" } , { "id" : 4 , "name" : "Diana" , "role" : "admin" } , { "id" : 5 , "name" : "Eve" , "role" : "editor" } , { "id" : 6 , "name" : "Frank" , "role" : "viewer" } ] Split Output json Copy // chunk_1.json [ { "id" : 1 ,…from merge-json-files.com
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Merge JSON Files2025 · merge-json-files.com · ▲8It’s fast, free, and doesn’t require any sign-up. Just upload your files, and it merges them into one clean JSON output. I made this because I kept running into small but annoying JSON merging tasks while working on side projects — especially when dealing with API responses, config files, or datasets. Most existing tools were either CLI-only, full of ads, or had weird size limits. So I built my own.
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