AI tools · No sign-up · Free

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.

  • 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

All tools

24 free tools

Pick a tool, add a file, download the result. Converters, compress, resize and blur face run in your browser.

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 Remove Object from Photo Brush over anything unwanted and AI fills in the background. AI · GPU Remove Text from Image Find text in a picture and erase it automatically. AI · GPU Image Caption Generator Describe any photo in a detailed caption. AI · GPU Alt Text Generator Write short alt text for your images. AI · GPU 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 Text to Speech Turn English text into natural speech. AI · Audio 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 WebP to GIF Converter Convert WebP images and animations to GIF. 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 Restore Old Photos Sharpen old photos, restore faces, add colour. AI · GPU Colorize Photos Add natural colour to black and white photos. AI · GPU Blur Faces in Photos Find faces and blur or pixelate them in your browser. Runs on your device

Use cases

What people use opnai for

E-commerce sellers

Clean product photos for a marketplace listing: cut out the background, enlarge small supplier images and shrink files so pages load fast.

Creators

Add subtitles to a video, narrate a script, or bring an old family photo back to life for a post.

Students and office work

Turn a photographed page into text or a Word file, and a recorded lecture or meeting into a transcript.

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.

Privacy promise

Your files stay yours

Deleted after 24 hours

Files sent to the AI tools and their results are removed automatically after 24 hours. Delete now on every tool removes them at once.

Many tools never upload

Converters, Compress, Resize and Blur face run entirely in your browser. Those files never leave your device.

No logging, no training, no account

We do not log the content of your files or train models on them, and there is nothing to sign up for. See the privacy policy.

Frequently asked questions

Is opnai really free?

Yes. Every tool is free to use with no account, no watermark and no trial period. The site is supported by advertising, which helps pay for the servers. Ads are never placed beside the upload or download buttons.

What happens to the files I upload?

Files processed by the AI tools are stored only long enough to make the result and are deleted automatically after 24 hours. A Delete now button on each tool removes them immediately. We do not log what is inside your files and do not use them to train models.

Do all tools upload my files?

No. The converters, Compress image, Resize image and Blur face run entirely in your browser, so those files never leave your device. The AI tools (background removal, upscaling, OCR, speech recognition and the rest) run on our own GPU server and need an upload.

Do I need to create an account?

No. Open a tool, add a file and download the result. There is nothing to sign up for.

What file types and sizes are supported?

AI image tools take PNG, JPG or WebP up to 10 MB, and the text tools also accept PDF. Speech tools take audio or video up to 100 MB and 30 minutes. Each tool page lists its exact limits before you upload.

Why is my job waiting in a queue?

All AI tools share one GPU server. When several people submit at once, jobs are processed in turn. The status line on the tool shows whether your job is queued or processing.

How accurate are the results?

The models give strong results on clear, well lit sources, but they predict detail rather than reproduce it. Check transcripts, OCR text and restored faces before you rely on them.

Drop a file. Get it back better.

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