Advanced
Background removal, image upscaling and GIF compression tools.
Background Remover
Remove image backgrounds with AI, free and entirely in your browser. No upload, no signup, no watermark — transparent PNG in seconds.
Image Upscaler
Upscale images to 2x or 4x size free, entirely in your browser. High-quality interpolation with smart sharpening — no upload, no signup.
GIF Compressor
Compress GIFs free in your browser with gifsicle — lossy, color, and scale controls. No upload, no watermark, files up to 50MB.
Image to Text (OCR)
Extract text from a photo or screenshot in your browser using OCR — copy or download as .txt. Free, no signup, nothing uploaded. English text.
Three jobs that usually get pushed to paid apps or watermark-happy websites, done free in your browser. Background Remover cuts a subject out of its background — for product photos, profile pictures, and documents that require a plain backdrop. Image Upscaler enlarges small or old images to bigger dimensions than the original, useful when a print, a form or a listing demands a resolution the source photo doesn't have. GIF Compressor shrinks animated GIFs that have grown too heavy to send in a chat, embed in a document or load quickly on a page.
Like everything on CoreTools, these run client-side: the processing happens on your own device, and your images never touch a server. For personal photos and product shots alike, that means no stored copies, no terms-of-service ambiguity about reuse, and no upload wait before work starts.
The three pair naturally with the rest of the site. Remove a background, then resize or compress the result for wherever it's going; upscale an old photo, then crop it to the frame you need. Each tool hands off cleanly to the edit and compress categories.
Frequently asked questions
How do I remove the background from a photo for free, without a watermark?
Open Background Remover and load your photo — the subject is cut out in your browser and the result downloads clean. There is no watermark, no sign-up and no per-image fee.
Can I increase a photo's resolution if the original is small?
Image Upscaler enlarges the image to higher pixel dimensions, smoothing the result as it scales. It cannot invent detail the photo never captured, but it produces a noticeably better result than simple stretching when a form or print demands larger dimensions.
Why is my GIF too big to send, and what can I do about it?
GIFs store every frame as an image, so a few seconds of animation can outweigh a full photo album. GIF Compressor reduces the file size in your browser so the animation fits chat, email and embed limits.
Are photos I process with these tools uploaded anywhere?
No. All three tools run entirely on your device — the images are processed in your browser and never cross the network, so nothing is stored or seen by anyone else.