Filtered directory

Free tools with batch processing

More than one file per run — the difference between usable and unusable when you have 200 images.

no signup no watermark no credit card open source offline batch unlimited

3 tools match.

01CloudConvertThe most reliable free converter for odd format pairs. 25 conversions a day, up to 1 GB per file. 02PDF24 ToolsGenuinely unlimited free PDF tools, including an offline installer. The most generous tool on this list. 03TinyPNGBest compression quality per byte. Free web tool handles 20 images at a time, 5 MB each.

How this list is filtered

These entries were checked by hand, not scraped. A tool appears here only if the specific condition above holds on its free plan, and it is removed as soon as that changes. The full directory is on the directory page.