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Free AI tools that work in your browser

Remove backgrounds, enlarge photos, read text from images and turn pictures into Word documents. No account, no watermark, and your files are deleted automatically after 24 hours.

Remove a background Browse all tools
  • No watermark
  • Files deleted after 24h
  • No account
Subtitle generator The light keeps burning, even when the storm comes in.
Portrait of a woman in a leather jacket, original
Portrait of a woman in a leather jacket, processed by opnai
Before Background removed
remove-background· real result from our GPU, drag to compare
Hair-level detail Transparent PNG
Red fox in the snow, original
Red fox in the snow, processed by opnai
208 px 4x AI
4x upscaler

Real results

See what the AI does

Unedited output from our tools. Drag the slider on each picture.

Golden retriever, original
Golden retriever, processed by opnai
Before Cut out
Remove BackgroundFur, hair and soft edges kept, background gone.Try it
Border collie, original
Border collie, processed by opnai
300 px 4x AI
AI Image UpscalerA 300 px photo enlarged 4 times with recovered detail.Try it

Image & document AI

AI tools

Powered by models running on our own GPU server.

Remove Background from Image Cut out the subject and get a transparent PNG. AI · GPU AI Image Upscaler Enlarge photos 2x or 4x and recover detail. AI · GPU Image to Text (OCR) Pull text out of photos, screenshots and scans. AI · GPU JPG to Word Converter Convert a picture of a document to an editable .docx. AI · GPU

Speech recognition

Audio & video

Turn recordings into text and subtitles.

Audio to Text Transcribe recordings, interviews and voice notes. AI · Audio Video to Text Get a transcript of the speech in a video. AI · Audio Subtitle Generator Create SRT or VTT subtitle files from speech. AI · Audio

Private by design

Image converters

These run inside your browser, so files never leave your device.

HEIC to JPG Converter Convert iPhone HEIC photos to JPG. Runs on your device HEIC to PNG Converter Convert iPhone HEIC photos to PNG. Runs on your device HEIC to PDF Converter Turn HEIC photos into a PDF. Runs on your device WebP to PNG Converter Convert WebP images to PNG. Runs on your device WebP to JPG Converter Convert WebP images to JPG. Runs on your device AVIF to JPG Converter Convert AVIF images to JPG. Runs on your device Compress Image Make image files smaller without uploading. Runs on your device Resize Image Change image width and height. Runs on your device

Simple by design

How opnai works

The AI tools run on our own GPU server. You upload a file, it is placed in a short queue, processed, and returned to the same page where you can preview it and download it. We do not ask you to sign up.

  1. 01UploadDrop in a file or pick one from your device.
  2. 02AI processes on GPUYour job runs on our server in a short queue.
  3. 03DownloadPreview the result and save it.

Private by default

We do not log what is inside your files and we never use uploads to train models. Results are removed automatically after 24 hours, and a Delete now button on every tool removes them immediately. Read the privacy policy for details.

Free, supported by ads

The tools are free to use. Advertising helps pay for the servers. Ads are never placed next to the upload or download buttons.

No account needed

Open a tool, add a file and download the result. We do not ask you to sign up.

Drop a file. Get it back better.

Pick a tool and try it with your own image or recording. It is free.

Remove a background Upscale an image