Create dummy test files of any exact size in 25 formats — PDF, PPTX, ZIP, DOCX, XLSX, PNG, JPG, MP4, WAV, JSON, CSV, BIN and more. Runs 100% in your browser. No file generated yet. Pick a format and size above, then click Generate. Jump straight to the most-requested sizes below. Each link pre-fills the generator — just press Generate to download.Create dummy test files of any exact size in 25 formats — PDF, PPTX, ZIP, DOCX, XLSX, PNG, JPG, MP4, WAV, JSON, CSV, BIN and more. Runs 100% in your browser. No file generated yet. Pick a format and size above, then click Generate. Jump straight to the most-requested sizes below. Each link pre-fills the generator — just press Generate to download.