Free Browser Tools

6 Powerful Tools, All Completely Free

No upload · No sign-up · 100% runs in your browser

66 Tools
∞100% Free
✓No Upload
✨⤢🔄🎨🛡️📄
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Upscale Magic

AI Image Upscaler

Enlarge any photo up to 4× with AI (RealESRGAN). Zero quality loss, no watermark, no sign-up — runs entirely in your browser.

Up to 4× UpscaleRealESRGAN AINo Watermark
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⤢

Resize Magic

Online Image Resizer

Set exact pixel dimensions or percentage — resize photos in bulk without losing quality. 100% private, no upload required.

Exact Pixel ControlBatch ResizeKeep Aspect Ratio
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🔄

Convert Magic

Image Format Converter

Convert between PNG, JPG, and WebP formats instantly. Adjust quality to shrink file size or fill transparent backgrounds.

PNG · JPG · WebPQuality ControlBackground Fill
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🎨

Asset Gen

Favicon & App Icon Generator

Generate favicon.ico, Apple Touch Icons, and full PWA icon sets from a single image. Instant ZIP download, no design skills needed.

favicon.icoApple Touch IconPWA Icons + ZIP
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🛡️

EXIF Clean

EXIF Metadata Remover

Strip GPS location, camera info, and timestamps from photos to protect your privacy. Or add SEO keywords to image metadata.

Remove GPS DataEdit MetadataProtect Privacy
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New
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PDF to Image

PDF Page Converter

Convert PDF pages to high-quality PNG, JPG, or WebP images instantly. All pages, no upload, 100% private browser-based processing.

PDF to PNG/JPG/WebPAll PagesNo Upload
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About Gasio
Our Mission

Privacy-First, Always Free

Gasio builds browser-based tools that respect your privacy. Your files never leave your device — all processing happens locally using WebAssembly and JavaScript.

No hidden costs, no accounts, no tracking. Just powerful tools that work.

100% Private

Files never leave your device. Zero server uploads.

Always Free

No freemium limits, no watermarks, no paywalls. Ever.

Instant

No waiting for uploads. Processing happens in milliseconds.