Watermark Photos: PlainMark

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Everyone
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Content rating
Everyone
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About this app

PlainMark is a watermark maker that puts your name, logo or website on your photos and videos, then saves them at full size. Every feature is free: no subscription, no credits, no trial, no ads and no account. It works offline and your photos never leave your phone.

WHAT YOU CAN DO
• Text watermarks: 10 fonts (from clean sans to handwritten signature), any colour, size, opacity and rotation
• Shadow, outline or a background box so your mark stays readable on any photo
• Logo watermarks: import any PNG or picture. A plain background (for example white) can be removed in one tap
• Drag to move, pinch or use the corner handle to resize and rotate, or snap to a corner
• Repeat the mark across the whole photo as a diagonal pattern that is hard to crop out
• Batch: watermark many photos at once. The watermark keeps the same margin from the corner on every photo, whatever its size or shape
• Videos: burn the watermark into your videos at their original resolution, sound included
• Save your watermarks and reuse them with one tap. Your last watermark is always remembered
• Undo and redo
• Quick inserts for ©, ®, ™, the year, today's date and your own details (name, website, handle, email, phone)
• Light and dark mode

YOUR PHOTOS, YOUR WAY
• Saves at the original size and shape. No forced crop, no lower resolution
• Keep JPEG/PNG, or choose JPEG or PNG; pick the JPEG quality
• Optional smaller sizes (2048 or 1080 px) for social media
• Removes the location from saved copies by default; date and camera details stay
• Your originals are never changed. Watermarked copies go to Pictures/PlainMark and Movies/PlainMark

PRIVATE BY DESIGN
PlainMark has no internet permission and asks for no storage permission: you choose photos in Android's own picker. No ads, no analytics, no tracking, no sign-up.

Use it to add a watermark to photos, put a logo on a photo, add text to photos, batch watermark a whole shoot or watermark a video. Share photos from your gallery straight to PlainMark to watermark them.
Add a watermark, logo or text to photos and videos, in batches. Works offline.
Updated on
Nov 7, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

What’s new

Initial release: add text and logo watermarks to photos and videos at full resolution. Completely free, no ads, works offline.