Image Watermark

Watermark photos in batch — without a desktop editor

Add your logo and text overlay to many JPG, PNG or WebP files, place each on a nine-point grid, preview live and download a ZIP — in your browser inside AZTools.

Free, no credit card · Processing runs in your browser — photos stay local until you download

Image Watermark — settings and live preview

Why Image Watermark on AZTools

Brand a folder of product shots or portfolio images the same way — next to your other tools, not a separate watermark app per batch.

  • Logo and text together

    Upload a PNG logo, add copyright text — or use either one alone.

  • Nine placement spots

    Pin logo and text independently to corners, edges or center.

  • See before you export

    Canvas preview updates as you tweak size, opacity and margin.

  • Batch download

    Watermark all queued images and grab one ZIP file.

Many photos, one watermark setup

Drop or pick multiple images into a queue. Select any thumbnail to preview how your current logo and text settings look on that photo before applying to the whole batch.

  • Multi-select upload for JPG, PNG and WebP
  • Queue with per-image done or error status
  • Switch active image to check placement on different aspect ratios
Multiple images in the watermark queue

Your logo, sized and placed

Upload a logo image, toggle it on and adjust scale and opacity relative to the photo. Pick placement on a 3×3 grid — top-left, bottom-center, center and the rest.

  • Upload, change or remove logo anytime
  • Scale and opacity sliders with live preview
  • Independent position from text watermark
Logo upload, size, opacity and placement

Text overlay with full control

Enable a text watermark with custom content — copyright, URL or label. Set size, opacity and color, then place it on its own nine-point grid separate from the logo.

  • Any text string as watermark content
  • Color picker and relative text size
  • Works alongside logo or on its own
Text watermark content and styling

Live canvas preview

The selected image renders on a canvas with your logo and text applied in real time as you move sliders or change placement — no guesswork before batch export.

  • Debounced preview while you adjust settings
  • Margin control keeps watermarks off the edge
  • Same layout applied when you watermark all
Live preview on the selected photo

Apply, review and download

Watermark every queued image with one action using the same settings. Choose JPEG, PNG or WebP output with quality control, then download files individually or as a ZIP.

  • Watermark all with shared logo and text setup
  • JPEG / PNG / WebP export formats
  • Browser-side canvas — no server upload to process
Apply all, format options and ZIP download

REST API for defaults

Read and update saved watermark preferences programmatically — logo and text toggles, content, positions, opacity, margin and export format — for workflows that open the tool pre-configured.

  • getAppState and savePreferences endpoints
  • Persist text, placement and export defaults
  • Logo file stays in the session; rendering is client-side
REST API for saved watermark preferences

Try Image Watermark free on AZTools

Watermark your first batch in minutes — no Photoshop action, no sketchy upload site.

Image Watermark · AZTools