Watermarkly

Batch face and plate blurring that runs locally in the browser

Beginner API
Screenshot of Watermarkly, Batch face and plate blurring that runs locally in the browser

What is Watermarkly?

Watermarkly is an edit pictures tool. A browser based batch tool that automatically detects and blurs faces and license plates, with manual zones, adjustable intensity and reshaped blur areas. Files are processed on the device rather than uploaded, and the free tier stamps a logo on output.

Watermarkly's face blur app is a browser based tool for removing identifying details from photos at volume. The core promise is batch work: instead of drawing a blur box over every face in every image, the user drops in a folder of pictures and the app's detection model finds the faces and covers them automatically within seconds. The same workflow extends to license plates, and manual blur areas can be added for anything else that should not be published, such as a house number, a brand name, an account number or personal details in a screenshot. The processing model is the most notable design decision. Files are handled on the user's own device and are not uploaded to Watermarkly's servers, which matters for anyone working with sensitive material, and the site recommends a current version of Chrome or Edge because detection runs faster there. Watermarkly never overwrites originals: it produces copies with the edits applied, which can then be saved locally or exported to Google Drive, Google Photos or Dropbox. Before saving, images can be converted to JPEG, PNG or WebP, resized by pixel dimensions or target file size, renamed, or saved with metadata intact. The editing layer is where the tool separates itself from a one click anonymizer. After detection, individual faces can be toggled so only the intended people are hidden, blur intensity is adjustable on a 0 to 100 scale, and each zone can be reshaped between oval and rectangular, rotated, and resized. That control is useful when coverage needs to stop below the hairline or extend past the ears. Borders look sharp while editing but come out feathered on download, so the result reads as part of the photo rather than a sticker over it. It suits journalists protecting sources, researchers and compliance teams handling GDPR or CCPA obligations, schools and case workers dealing with images of children, and anyone publishing street photography or user generated content. Buyers weighing it against dedicated desktop anonymizers should note the free tier adds a Watermarkly logo to output, plus a REST API exists for teams that need to batch process through their own pipeline.

How do you use Watermarkly?

  1. 1Open the face blur tool and load your images
    Go to the Blur Face page and drag files into the upload area, or import them from your device, cloud storage or a web page. Use a current Chrome or Edge build for faster detection.
  2. 2Let the AI detect faces automatically
    Detection runs as soon as files are added, and every face found is blurred without further input. Results appear ready to review image by image.
  3. 3Fine tune which faces stay hidden
    Use the Objects control to select only the faces that should be blurred, and move the Intensity slider to set blur strength anywhere from 0 to 100 percent.
  4. 4Reshape and reposition each blurred area
    Select a blur zone to switch between oval and rectangular shapes, rotate it to an angle, or resize it so coverage stops at the eyes rather than covering hair and ears.
  5. 5Add manual blur for plates or sensitive details
    For anything detection does not catch, place an additional blur area over license plates, house numbers, account numbers or screenshot text, then adjust it the same way.
  6. 6Export copies with your format and size choices
    Convert to JPEG, PNG or WebP, resize by pixels or file size, rename files and optionally keep metadata, then download or send to Google Drive, Google Photos or Dropbox.

Pros and cons

Pros

  • Automatic detection handles whole batches, so large photo sets do not need box by box editingAI
  • Files are processed on the user's device and never stored on Watermarkly's serversAI
  • Per face toggles and a 0 to 100 intensity slider give fine control over what gets hiddenAI
  • Blur zones can be reshaped, rotated and resized, and borders come out feathered on exportAI
  • Originals are preserved, and output can be converted, resized, renamed and sent to cloud storageAI

Cons

  • Free edition stamps the Watermarkly logo on every processed image, so paid upgrade is required for clean outputAI
  • Detection performance is tied to Chrome or Edge, which limits the experience on other browsersAI
  • No offline or native desktop app: the workflow depends on a browser session and a connection to load the siteAI
  • Accuracy on crowded scenes or partially obscured faces is not documented, so manual review remains necessaryAI

How much does Watermarkly cost?

Free trial

A free edition is available and includes the full blur workflow; it adds the Watermarkly logo to processed images until an upgrade is purchased.

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Pricing

The homepage confirms a free edition alongside a paid upgrade that removes the Watermarkly logo, which is the only stated limitation of the free version. Actual price points are not listed on the page reviewed, so check the pricing page for current plans.

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Integrations

Direct export of processed images to Google Drive, Google Photos and Dropbox, plus a REST API for the blur tool aimed at automated workflows.

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Features

Automatic AI detection and blurring of faces across batches of photos, plus license plate blurring and manual blur areas for other sensitive details. Per face selection, 0 to 100 intensity control, oval or rectangular shapes, rotation and resizing. Originals stay untouched, with format conversion, resizing, renaming, optional metadata retention and export to Google Drive, Google Photos or Dropbox.

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Frequently asked questions about Watermarkly

  • How much does Watermarkly cost?
    The homepage confirms a free edition alongside a paid upgrade that removes the Watermarkly logo, which is the only stated limitation of the free version. Actual price points are not listed on the page reviewed, so check the pricing page for current plans.
  • Does Watermarkly offer a free trial?
    A free edition is available and includes the full blur workflow; it adds the Watermarkly logo to processed images until an upgrade is purchased.
  • Does Watermarkly have an API?
    Yes, Watermarkly offers an API.
  • How do you use Watermarkly?
    The walkthrough on this page covers 6 steps: 1. Open the face blur tool and load your images 2. Let the AI detect faces automatically 3. Fine tune which faces stay hidden 4. Reshape and reposition each blurred area 5. Add manual blur for plates or sensitive details 6. Export copies with your format and size choices.
  • What platforms does Watermarkly support?
    Watermarkly is available on Web App.
  • What does Watermarkly integrate with?
    Direct export of processed images to Google Drive, Google Photos and Dropbox, plus a REST API for the blur tool aimed at automated workflows.

Status

StatusActive
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Added10/21/2026

Platforms

Web App

Pricing

FreeFreemium