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Compress PDF
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Compress Image
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Compress JPG
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Compress PNG
Reduce the file size of a PNG image
Compress WebP
Reduce the file size of a WebP image
Compress GIF
Reduce the file size of a GIF image
Compress AVIF
Reduce the file size of an AVIF image
Compress HEIC
Reduce the file size of a HEIC image
Compress TIFF
Reduce the file size of a TIFF image
Video
Compress Video
Reduce the file size of a video
Compress MP4
Reduce the file size of an MP4 video
Compress MOV
Reduce the file size of a MOV video
Compress MKV
Reduce the file size of an MKV video
Compress WebM
Reduce the file size of a WebM video
Video
Convert Video
Change a video to a different format
Audio
Convert Audio
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MOV or MP4: Why the Same Video Is Twice the Size
MOV and MP4 are both containers, so the extension alone does not decide the...
How to Convert WMA to MP3 Without Losing More Quality
To convert WMA to MP3, drop the file into an audio converter, choose MP3 as...
JPG or PNG: Which One Your Image Should Be
JPG vs PNG comes down to what's in the picture. Use JPG for photos and PNG...
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SimpleSize Blog Overview
Browse all articles and tutorials in one overview.
WebP Browser Support: Where It Works and Where It Still Fails
4 min read
M4A Files Explained: Audio Quality, File Size and Compatibility
5 min read
What Is Image DPI: File Size, Resolution and Print Quality Explained
5 min read
WebM vs MP4: Which Format Is Smaller and When It Matters
5 min read
Why Is My Zip File Still Too Big: Common Compression Failures
8 min read
How Image Quantization Reduces File Size and Color Depth
9 min read
Remove Photo Metadata to Reduce File Size and Protect Privacy
8 min read
Chroma Subsampling Explained: Why Videos Drop Color Data
8 min read
Why RAW Files Are So Large: Understanding Uncompressed Image Storage
7 min read
Why Email Attachments Still Have Size Limits in 2026 (and How to Work Around Them)
7 min read
Audio File Sizes Explained - Why WAV Files Are Huge and When It Matters
6 min read
What Is a Codec and Why Does It Matter for Your Files
8 min read
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