Is FMThub free to use?
Yes, FMThub is completely free to use. All image conversion and optimization tools are available without registration or payment.
BATCH IMAGE COMPRESSION
Smaller images. Still clear.
Compress images in batches, balancing quality and file size. Drop them to start, and set size or dimension limits when needed.
Output
Original format is kept; HEIC / HEIF is converted to JPG.
Images stay on your device · Free, no sign-up
Compare the actual files
Drag to compare the fine details in this landscape paper-sculpture photograph. Download both actual files.
−81%1.3 MB243 KB
This sample was processed with the default settings, at the original dimensions. Results vary with the source image; this saving is not a guarantee for other files.
Original
Compressed
PNG · 1280 × 720
Convert between formats
Choose your original format and the format you need to open the right tool.
Advanced Tools
Enlarge images, restore photos, or create PDFs and website icons.
Image Enhancement
Enlarge images up to 4× and adjust sharpness and detail.
Try it nowPhoto Enhancement
Sharpen and enlarge older photos in your browser.
Try it nowImage → PDF
Batch convert images to PDF. Drag to reorder pages.
Try it nowFavicon Generator
Generate ICO and PNG favicon assets with live small-size previews.
Try it nowPrivacy-First Image Processing
Optimize images on your device, with clear results for every file.
Local processing
Image files are processed in your browser, without uploading them.
Batch processing
Add more images while the batch runs. Completed files are ready to download.
Multiple formats
The compressor accepts JPG, PNG, WebP, AVIF, and HEIC. More conversion tools are available below.
Free to use
No account or watermark. Processing capacity depends on your device and image size.
Drop, compress, download
No account needed. No software to install. Just drag, drop, and done.
01
Choose images
Drop JPG, PNG, WebP, AVIF, or HEIC images into the compressor.
02
Compress automatically
Compression starts immediately. Size and dimension limits are optional.
03
Download
Compare any result, then download individual files or the complete batch.
Frequently asked questions
How does FMThub protect my privacy?
All image processing happens directly in your browser using WebAssembly technology. Your files never leave your device or get uploaded to any server, ensuring complete privacy.
What makes FMThub different from other converters?
FMThub offers browser-based image conversion, compression, and enhancement without uploading files.