S3 File Editor

Browse, edit, upload, and manage files in your AWS S3 buckets directly from the browser with encrypted credential storage.

DeveloperAWSS3Free

New S3 Connection

AWS Access Key ID

AWS Secret Access Key

AWS Region

US East (N. Virginia)

Bucket Name

Saved Connections

No saved connections yet

S3 Bucket Setup Guide

1. Configure CORS Policy

Go to your AWS S3 Console
Select your bucket → Permissions tab
Find Cross-origin resource sharing (CORS)
Click Edit and paste the JSON below

[
    {
        "AllowedHeaders": ["*"],
        "AllowedMethods": ["GET", "PUT", "POST", "DELETE", "HEAD"],
        "AllowedOrigins": ["https://hub-tools.com"],
        "ExposeHeaders": ["ETag"],
        "MaxAgeSeconds": 3000
    }
]

2. Required IAM Permissions

Your AWS credentials need these S3 permissions:

s3:GetObjects3:PutObjects3:ListBuckets3:DeleteObject

Credentials are stored in your browser only. All S3 requests go directly to AWS.