Add Watermark to GIF

You can watermark a GIF online without desktop software. OmniGIF decodes the animation, lets you place text or a logo, then re-encodes a GIF89a loop on your device:

• Upload the GIF: Click, drop, or paste a GIF under 10MB. The file is validated by type, extension, and GIF header.
• Add a watermark: Create a text layer, upload a logo, or enable a tiled overlay. Drag, resize, and rotate on the canvas.
• Tune style and timing: Set opacity, blend mode, nine-grid position, and optional start/end frames. Preview updates live.
• Export the animation: Click Add Watermark to encode every frame with the original delays, then compare and download.

This is a practical way to watermark an animated GIF, add a logo to a GIF, or place a text watermark without leaving the browser.

The GIF89a Graphic Control Extension can specify a transparency index and delay time for each frame.W3C GIF89a

• W3C: Graphics Interchange Format (GIF89a)
• MDN: Using files from web applications

A text watermark is the fastest way to add a copyright line, handle, or caption to an animated GIF:

• Multi-line text with manual line breaks and copyright shortcuts
• Font, weight, italic, underline, alignment, line height, and letter spacing
• Fill color, stroke, shadow, background box, padding, and border radius
• Style presets such as Subtle, Copyright, Bold, Outline, and Caption

Because text is drawn to a transparent canvas layer first, the live preview matches the exported GIF more closely than a separate encoder font.

The fillText() method draws (fills) a given text at the given (x, y) position.MDN Web Docs

• MDN: CanvasRenderingContext2D.fillText()

Add a logo to a GIF when you need brand protection that text cannot provide:

• PNG, WebP, JPEG, and static GIF stamps, processed only in the browser
• Transparent PNG alpha is preserved during compositing
• Contain, cover, or stretch fit, plus flip, scale, and border radius
• Optional crop of empty transparent padding around the mark

Remote URLs are not loaded for logos, which avoids a tainted canvas and failed exports.

A canvas is tainted if you draw an image from another origin without CORS permission, which then blocks export.MDN Web Docs

• MDN: Allowing cross-origin use of images and canvas

A tiled GIF watermark repeats a text or logo unit so cropping a corner cannot remove the mark:

• One transparent overlay instead of hundreds of separate stamps
• Horizontal and vertical spacing, row offset, and overall rotation
• Sparse diagonal, balanced, and dense protection presets
• Works with both text and logo source units

Tiling is useful for screenshots, review copies, and any GIF that might be cropped before reuse.

globalAlpha can draw a translucent overlay, then restore the previous alpha for later drawing.MDN Web Docs

• MDN: CanvasRenderingContext2D.globalAlpha

Watermark a GIF with more than a default corner stamp. OmniGIF stores positions in original GIF pixels:

• Nine-grid placement, numeric X/Y, width, height, and relative size
• Safe-margin snapping and keep-inside-canvas constraints
• Blend modes, rotation, opacity, and optional motion (fade or slow drift)
• Per-layer time or frame ranges that stay in sync with the timeline

Preview zoom never changes output size. If you resize the GIF, you can scale the watermark with it or keep the original pixel size.

The drawImage() method can draw a source image into a destination rectangle of any size.MDN Web Docs

• MDN: CanvasRenderingContext2D.drawImage()

People watermark animated GIFs to keep credit, discourage casual reuse, and mark drafts:

• Brand a product demo or meme with a small corner logo
• Place a translucent copyright line on social clips
• Tile a review copy so cropped stills still show ownership
• Show a caption only during part of the loop

A GIF watermark online should stay editable, keep animation timing, and never force a site logo onto your download.

GIF is a bitmap image format that supports animation through multiple frames and a graphic control extension.MDN Web Docs

• MDN: Image file type and format guide (GIF)

OmniGIF is built for private, browser-based GIF work. This watermark tool follows the same rule:

• Your GIF and watermark stay in your browser and are never uploaded.
• Saved templates live in localStorage on your device, not on OmniGIF servers.
• Analytics events never include file names, logo pixels, or watermark text.
• Exported GIFs do not include an OmniGIF watermark.

If you need to watermark a GIF on an untrusted network, local processing is the safer default.

File objects selected by the user can be read entirely in the browser with FileReader or URL.createObjectURL.MDN Web Docs

• MDN: Using files from web applications
• OmniGIF Privacy Policy

After you watermark a GIF, these OmniGIF tools stay useful for cleanup and delivery:

• Remove Watermark from GIF — Hide an existing stamp with fill, blur, pixelate, cover, or crop.
• Add Text to GIF — Overlay captions with font, stroke, and shadow controls.
• Crop GIF — Crop the animation if a watermark still covers too much of the subject.
• Add Border to GIF — Frame the watermarked GIF with a solid or rounded border.
• Fire GIF Text — Create a flaming caption overlay instead of a static watermark.
• GIF Compressor — Shrink the watermarked file if the palette grew after compositing.
• Trim GIF — Cut unused frames before or after the watermarked section.
• GIF Tools — Browse the full GIF editing toolkit.