Understand the file before
you change the file.
Direct guides to image compression, PDF workflows, local processing, media conversion and structured data.
How to Compress Images Without Ruining Quality
A practical guide to image compression, dimensions, file formats and quality settings.
Read guide →GUIDEJPG vs PNG vs WebP: Which Image Format Should You Use?
Understand when JPEG, PNG and WebP make sense before converting an image.
Read guide →GUIDEHow to Merge PDF Files Privately in Your Browser
Learn what browser-based PDF merging does and how to combine documents safely.
Read guide →GUIDEImage Dimensions vs File Size: What Actually Changes KB and MB?
A clear explanation of pixels, compression and why two images with the same dimensions can have different file sizes.
Read guide →GUIDEBrowser File Processing: What “Local” Really Means
Understand when a browser tool can process a file without uploading its contents.
Read guide →GUIDEPDF Compression and Rasterization: What Changes?
Learn why aggressive PDF compression can make text non-selectable and when raster compression is appropriate.
Read guide →GUIDEHow Browser Video Conversion Works
A practical explanation of WebAssembly video conversion, memory use and format tradeoffs.
Read guide →GUIDEJSON, CSV and XML: Choosing the Right Data Format
Understand the structural differences before converting data files.
Read guide →GUIDEHow to Choose an Image Format for Web, Forms and Upload Portals
Choose between JPG, PNG and WebP based on transparency, compatibility, detail and file-size limits.
Read guide →GUIDEA4 vs US Letter PDF Page Size: Which Should You Use?
Understand A4 and US Letter dimensions and what happens when PDF pages are resized.
Read guide →GUIDEFile Hashes Explained: SHA-256, SHA-1 and MD5
Learn what file hashes are useful for, how they verify files and why a hash is not encryption.
Read guide →GUIDEMP4 vs WebM vs MOV: Choosing a Video Format
Compare common video containers for browser playback, editing and compatibility before converting.
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