marca d'água em imagem

Add watermark to images — text overlay, opacity.

Use Cases

Typical scenarios for marca d'água em imagem — see if it fits before you start

marca d'água em imagem · Scenario 1

Batch JPG/PNG/WebP/SVG to A4 PDF, marca d'água em imagem offers fit/fill/original, preserving transparency for portfolios.

marca d'água em imagem · Scenario 2

Extracting images, marca d'água em imagem detects resolution and exports per page with rename.

marca d'água em imagem · Scenario 3

Scans to printable PDF, marca d'água em imagem supports batch and resolution options, ready for print.

How to Use

  1. Upload — Click or drag PDF/images to the dashed zone. Multi-file and large files (<100MB per batch recommended) are read locally only.
  2. Configure & process — Set pages, angle, password or quality, then hit “Calculate / Process”. marca d'água em imagem runs via WebAssembly and pdf-lib in your browser — no server queue.
  3. Preview & download — Check pages, size and thumbnails on the right, then download. Batch jobs download one by one; tweak and re-run if needed.

Tips & Notes

  • Page syntax: Use 1,3,5-7 or 1-10,15; empty means all. Out-of-range pages are ignored.
  • Privacy & size: Everything runs locally — no server upload. For large files, process in batches of 50–100 pages.
  • Fidelity: Fonts and vectors are preserved where possible. For scanned PDFs, run OCR/searchable PDF first, then convert.

Recursos

  • Single/batch image convert
  • A4 fit
  • Batch export

Supported Formats

Input
JPGPNGWebPPDF
Output
PDFJPGPNG

All conversions run locally in the browser; check fidelity in desktop for complex layouts.

Perguntas frequentes

Will files be uploaded? Is marca d'água em imagem safe?

No. marca d'água em imagem runs 100% in your browser via File API; no network upload, memory cleared when you close the tab.

Processing failed or download blocked?

Check page ranges, passwords and file integrity. If the browser blocks multiple downloads, allow “automatic downloads” or click links one by one.

How to chain with other image tools?

Combine workflows: organize pages first, then compress/convert for submission, then protect/sign for delivery.

Como usar

Upload file, process, download.

Todos os cálculos são executados localmente no seu navegador; nenhum dado é enviado.