RunToolRunBlog
Guides on file formats, compression and privacy. Less about which tool to click, more about why you should pick it.
July 20, 2026 · 2 min read
PNG or JPG? When to Use Each Format
The difference between PNG and JPG is not just file size. Here is how transparency, text sharpness and compression type should change your decision.
July 20, 2026 · 2 min read
How PDF Compression Works — and How to Shrink Files Without Ruining Them
Why does a PDF become 40 MB, and how does it drop to 3 MB? Which part of compression is harmless and which is irreversible — explained clearly.
July 20, 2026 · 2 min read
Is Browser-Based File Processing Actually Safe?
How can you verify the claim that "your files are never uploaded"? Here is what to check before trusting an online tool with a sensitive document.