Convert images between any format — JPG, PNG, WebP, GIF, BMP, AVIF — with resize and batch processing
WhiskFile Image Converter is a free online tool to convert images between any format — JPG, PNG, WebP, GIF, BMP, AVIF — with resize and batch processing. Files are processed entirely in your browser — nothing is uploaded to any server.
Quick Answer
Convert images between any format — JPG, PNG, WebP, GIF, BMP, AVIF — with resize and batch processing. WhiskFile's Image Converter is free, works in your browser, and requires no account. Your files never leave your device — all processing happens locally.
Upload images
Select images in any format: JPG, PNG, WebP, GIF, BMP, HEIC, AVIF, SVG.
Choose output format
Select JPG, PNG, or WebP output and adjust quality.
Adjust quality
Select a quality preset (Web/Standard/High/Maximum) or use the slider for precise control over file size vs quality.
Resize (optional)
Scale by percentage or set maximum dimensions with aspect ratio preserved.
Download
Download converted images individually or as a ZIP archive.
Review results
Check per-image format badges, file sizes, and savings before downloading individually or as a ZIP.
Image Converter runs entirely in your browser — no software to install. Works on any device with a modern browser.
Windows & Mac
Chrome, Firefox, Edge, Safari
iPhone & Android
Safari, Chrome mobile
iPad & Tablets
Full touch support
Unlike server-based tools that upload your documents, WhiskFile processes everything locally in your browser. Your files never leave your device — not even temporarily.
No upload required
Files are processed in your browser — nothing is sent to any server
100% private
No server storage, no data collection, no third-party access
Works offline
Once loaded, works without an internet connection
“Batch-converting RAW exports to web formats saves me hours every week. The quality is excellent.”
Carlos Ruiz
Photographer
“Resizing and converting images for different platforms used to be tedious. Now it's drag and done.”
Priya Sharma
Social Media Manager
Help us improve by sharing your experience with Image Converter.
Client-side processing
This tool now runs entirely in your browser — files never leave your device.
Result preview & sharing
Preview your processed file before downloading, and share results via a secure link.
JPG, PNG, WebP, GIF, BMP, AVIF, HEIC, HEIF, and SVG. HEIC support depends on your browser — Safari works natively, other browsers may need our dedicated HEIC to JPG tool.
Yes. Enable the Resize toggle to scale by percentage (10-200%) or set maximum dimensions. Aspect ratio is always preserved.
No hard limits. Processing happens in your browser, so it depends on your device's memory. Most images up to 50MB work fine. Batch processing handles hundreds of files.
Yes. All conversion happens in your browser. Images never leave your device. EXIF metadata (GPS, camera info) is automatically stripped.
JPEG quality at 100% produces very large files with negligible visual improvement over 98%. For truly lossless output, use PNG format instead.
WhiskFile processes 4 images in parallel for 3-4× faster batch conversion compared to sequential processing.
Yes. WhiskFile works in any modern mobile browser — Safari on iOS, Chrome on Android. No app needed. Convert iPhone HEIC photos directly.
Yes. Upload as many files as needed. WhiskFile processes 4 images in parallel for fast batch conversion. Download individually or as a ZIP.
You control quality with presets or a slider. At High (92%) or Maximum (98%), output is visually identical to the original. For truly lossless, choose PNG.
WebP offers the best balance of quality and file size — 25–35% smaller than JPEG. AVIF is even smaller but has less browser support. JPEG is the universal fallback.
Yes. SVG vector images are rasterized to JPG, PNG, or WebP at your chosen scale. External fonts are inlined automatically for accurate rendering.
Yes. EXIF data including GPS location, camera model, and timestamps is automatically removed during conversion for privacy.
After the page loads, the converter works without an internet connection. All processing uses client-side JavaScript — no server communication needed.
Yes. Image Converter on WhiskFile is completely free with no account required. Free users get 7 tasks per day with files up to 50 MB. There are no watermarks on any plan. Pro plans ($4.99/month) unlock unlimited tasks, 500 MB files, batch processing, and API access.
Yes. Image Converter runs entirely in your browser using WebAssembly. Your files are never uploaded to any server — they stay on your device throughout the entire process. No data is transmitted, stored, or accessible to WhiskFile or any third party.
See how WhiskFile compares to other PDF tools on features, pricing, and privacy.
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Max file size: 50 MB (free) · 500 MB (paid). Processing time: ~2s on average. Batch processing: upload multiple files at once.
Chromebook & Linux
Any modern browser
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Convert iPhone HEIC photos to JPG instantly in your browser. No app install, no upload to unknown servers.
