Free website with 200+ single-purpose file tools: merge, compress and sign PDFs, remove image backgrounds, upscale photos, convert HEIC and Word/Excel to PDF. No account, no watermark added by the site. Most tools run in your browser (file not uploaded). Limits: images 50 MB, PDF 300 MB, some video tools 30 s and 720p; Word/Excel, text-to-speech and colorization use our single server (files deleted after).