Video Brightness

Adjust video brightness level

Click to upload file or drag and drop file here

Maximum file size: 100MB Supported formats: video/*

-1 1 2

Range: -1.0 to 2.0 (1.0 = original, 0.0 = black, 2.0 = twice as bright)

Key Facts

Category
Images, Audio & Video
Input Types
file, range, select
Output Type
file
Sample Coverage
4
API Ready
Yes

Overview

Easily adjust the brightness of your videos online. Whether you need to lighten up underexposed footage captured in low light or darken overexposed clips, this tool lets you fine-tune the exposure level from -1.0 to 2.0 and export the result in MP4, WebM, or MKV format.

When to Use

  • •When a video recorded in low-light conditions is too dark to see clearly and needs to be brightened.
  • •When outdoor footage is overexposed or washed out and requires lowering the brightness level.
  • •When you need to quickly adjust video exposure and convert the output format in a single step.

How It Works

  • •Upload your video file (up to 500MB) in any standard video format.
  • •Adjust the brightness slider between -1.0 (completely black) and 2.0 (twice as bright), where 1.0 represents the original brightness.
  • •Select your preferred output format, such as MP4, WebM, MKV, or keep the original format.
  • •Process the video to apply the exposure adjustment and download your modified file.

Use Cases

Enhancing night-time security camera footage to make dark details more visible.
Dimming overly bright drone footage captured in direct midday sunlight.
Preparing dark smartphone videos for social media sharing by boosting their exposure.

Examples

1. Brightening Low-Light Smartphone Footage

Vlogger
Background
A vlogger recorded an intro segment in a dimly lit room, resulting in dark, muddy visuals where their face is barely visible.
Problem
The video is too dark to upload to social media, but re-shooting is not an option.
How to Use
Upload the dark MP4 video file, set the Brightness Level slider to 1.5 to boost the exposure, and select MP4 as the output format.
Example Config
Brightness: 1.5, Output Format: MP4
Outcome
The video is significantly brighter, making the vlogger's face clearly visible without losing too much detail, ready for upload.

2. Dimming Overexposed Drone Video

Real Estate Videographer
Background
A videographer captured aerial footage of a property on an extremely sunny day, causing the white roof and concrete driveway to look washed out.
Problem
The highlights are too bright, making the property details look harsh and unprofessional.
How to Use
Upload the drone video file, set the Brightness Level to 0.8 to tone down the highlights, and choose to keep the original format.
Example Config
Brightness: 0.8, Output Format: original
Outcome
The overall exposure is reduced, restoring detail to the bright areas and giving the property video a balanced, professional look.

Try with Samples

video, file
Video Samples
Sample video files in different formats and orientations
title token video
video
Video AV1 Samples
Sample video files encoded in AV1 format
title token video
video
Video H.264 Samples
Sample video files encoded in H.264 (AVC) format
title token video
video
Video H.265 Samples
Sample video files encoded in H.265 (HEVC) format
title token video
video

Related Hubs

Video-to-Audio and Animation Conversion Tools
Compare tools that turn video into audio, extract video streams, and convert between short-form video and animated image formats in one hub.
Video Preview, Extraction, and Subtitle Tools
Compare video preview generation, stream extraction, audio extraction, subtitle translation, and quick flip tools in one hub for lightweight video prep workflows.

FAQ

What video formats can I upload?

You can upload any standard video file format, with a maximum file size limit of 500 MB.

What does a brightness level of 0.0 or 2.0 mean?

A level of 0.0 turns the video completely black, 1.0 keeps the original brightness, and 2.0 doubles the brightness.

Can I change the output format of my video?

Yes, you can export your adjusted video as an MP4, WebM, or MKV file, or choose to keep the original format.

Will adjusting the brightness affect the audio track of my video?

No, the tool only modifies the visual brightness levels; your video's audio track remains unchanged.

Is there a file size limit for uploading videos?

Yes, the maximum supported file size for video uploads is 500 MB.

API Documentation

Request Endpoint

POST /en/api/tools/video-brightness

Request Parameters

Parameter Name Type Required Description
videoFile file (Upload required) Yes -
brightness range No Range: -1.0 to 2.0 (1.0 = original, 0.0 = black, 2.0 = twice as bright)
outputFormat select No -

File type parameters need to be uploaded first via POST /upload/video-brightness to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}
File: File

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-video-brightness": {
      "name": "video-brightness",
      "description": "Adjust video brightness level",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=video-brightness",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]