Image & Video Enhancer · free

Make pictures and videos sharper, cleaner and brighter.

AI enhance with Real-ESRGAN (restores detail, removes blur and noise), upscale 2x or 4x, denoise, sharpen, fix colour and light, and lift videos to 1080p or 4K. It all runs on your own device, so it is free, private and nothing is uploaded.

Tools

Honest limits: everything runs on your own device and nothing is uploaded. The AI enhancer (Real-ESRGAN general x4v3) is only 5 MB, downloads once and is cached; it is fast with WebGPU and slower on phones or devices without it. Big pictures are worked on in tiles, and results are capped at 4096×4096. Video enhance uses fast filters on every frame; AI enhance per frame is offered for clips up to 10 seconds, because every frame goes through the AI.

How to get the best result from the enhancer

Pictures

  1. Choose a JPG, PNG or WebP picture.
  2. Try Auto light first for dark or flat photos, then adjust brightness, contrast, colour and warmth by hand if needed.
  3. Pick an upscale size: 2x for social media, 4x for printing or for small, old pictures.
  4. Turn on AI enhance to restore detail and remove blur and noise, then download as PNG for the best quality or JPG for a smaller file.

Videos

Choose a video and a target size (720p, 1080p or 4K). Fast filters work on any length. AI enhance on every frame is available for clips up to 10 seconds, because each frame goes through the AI model on your own device.

What the AI can and cannot fix

Common questions

Is it really free? Yes. You only sign in with a free account to download the result.

Why is it slow on my phone? The AI runs on your own device. Computers with a graphics chip that supports WebGPU (recent Chrome or Edge) are much faster than phones.

Is my picture uploaded? No. Everything runs in your browser and nothing is sent to BolCaps.

More help: all guides · contact us