Image Upscaler
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Add a border or fit a photo to 4:5 without cropping
Choose a file to start.
Imagera's photo border maker adds a white border or colored frame around JPG, PNG, WebP or HEIC pictures for photographers, sellers and people preparing social posts. Set the frame width and color in a compatible phone, tablet or desktop browser. Choose the frame width, color and canvas shape to add space around the picture instead of trimming its edges. The border is drawn on your device; optional corner rounding clips the photo's corners. 2 free downloads, 8 more after sign-in.
Published · Updated · by the Imagera teamImagera is a browser-based AI studio for images, video, music and voice, so you do not need a separate app and account for every model. Pricing is credit-based: one balance covers every tool, and each job shows its credit price or estimate before you run it.
















Recorded results from this tool. Results vary with the source image, settings and device. Drag each handle to compare.






A 40-pixel border adds 80 pixels to each dimension: a 1200 × 800 photo becomes 1280 × 880 before any extra shape padding or device scaling.
A 6% border on an 800-pixel short side is 48 pixels thick. The same percentage on a 1600-pixel short side is 96 pixels, so equal percentages do not mean equal pixel widths.
Fitting a 1200 × 800 photo into a square with no extra border adds 200 pixels above and below, before device scaling. Those areas are solid color; the linked AI Image Expander can generate scene content beyond the original edges.
Try AI Image ExpanderThe border extends the canvas around the picture. It does not paint a thick line over the subject or trim the composition to make room. Leave corner rounding at its minimum when every corner of the photograph matters.
Choose white for a plain margin, black for a dark surround or another solid shade with Color. The frame becomes part of the saved picture, so it travels with the photo when you place it in a slide or post.
Border sets border width as a percentage of the photo’s shorter side. Start at 5% and compare a narrower or wider frame. The engine rounds the calculated thickness to a whole pixel.
For a series, reuse the percentage, color and canvas shape. This keeps the basic border proportional, but pictures with different shapes can need different amounts of padding. There is no separate pixel-width field. You cannot set a different border width on each side.
Open Advanced and choose from Original, 1:1 Square, 4:5 Portrait or 9:16 Story under Canvas shape. A fixed shape adds enough space to contain the centered photo and its border. A wide landscape on a tall canvas will have more color above and below than beside it.
Padding still works when the border slider is at its minimum. That removes the extra surrounding frame, but space may remain to reach the chosen shape. Check the destination app’s preview before posting; this tool prepares the file and does not control how another app displays it.
Raise Rounded corners to curve the photo inside its frame. This masks the corner pixels, so keep the source when small details sit near an edge. With Canvas shape left at Original, the outside of the frame curves too, leaving transparent outer corners.
Choosing a fixed canvas shape fills the entire rectangle with the frame color instead. The photo can still have curved corners within that rectangle. A transparent corner and a white corner may look alike on a white page; inspect the saved result over a contrasting background.
The engine reads your photo and draws the frame in the browser. It does not upload the picture for border processing or use a generative model. Loading the website and any needed decoding code still involves network requests.
The photo keeps its loaded dimensions inside the border when the enlarged canvas fits. Large inputs or results can be reduced to the device’s canvas limits, and saving re-encodes the image. Check the result resolution and visible detail rather than assuming the export is identical to the source apart from the frame.
A solid border creates space around the photograph without inventing anything beyond its edges. There is no prompt, decorative frame library, blurred surround or separate bottom strip for a caption.
If the new space should contain more sky, a wider room or continued scenery, use the linked AI Image Expander. It generates an extension beyond the original frame. That is a different edit from filling the margins with one color, and generated detail needs its own review.
Open a JPG, PNG, WebP or HEIC photo with the composition you want to keep.
Adjust Border and Color; use Advanced for Canvas shape and optional Rounded corners.
Run Add border, then check the spacing, corner treatment and reported resolution in the result.
2 free downloads, 8 more after sign-in.
| This free tool | Paid AI tools |
|---|---|
| Adds solid-color space around the existing photo | AI Image Expander generates scenery beyond the original edges |
| Uses a border percentage and a canvas-shape selection | Extends the image content into a wider or taller frame |
| 2 free downloads, 8 more after sign-in. | Paid tools use their own displayed prices and access conditions. |
Choose your picture, set the border thickness and color, then press Add border. Use the result preview to judge the frame before saving the new image.
Choose white with Color and adjust the thickness. If you need a particular post shape, choose a square or portrait canvas in Advanced. Padding keeps the composition inside the frame; review the upload preview in Instagram as well.
Yes. Select a swatch or choose a shade with the color picker. The same solid color fills both the basic border and any extra space needed for the canvas shape.
Multiply the loaded photo’s shorter dimension by the border percentage divided by 100, then round to a whole pixel. There is no pixel input here, and device scaling can reduce the final thickness on a very large result.
The selected canvas shape needs extra space in that direction. A landscape inside a tall rectangle needs more padding above and below. Leave Canvas shape at Original when you want the same added width on every side.
The width slider and canvas shape do separate jobs. Removing the basic border does not remove space required by a fixed shape. Return the shape to its default if you want no additional canvas area.
It normally places the loaded photo inside a larger canvas without shrinking it. Browser size limits can still reduce a large input or output, and export can use compression. Retain the source and inspect fine detail in the saved version.
Yes, when rounding is enabled and the canvas shape remains at its default. The engine selects a lossless output that keeps the area outside the curved frame transparent. A fixed canvas shape instead gives the result a solid rectangular surround.
Frame a JPG, PNG, WebP or HEIC picture with the chosen border. Output is chosen automatically from the source type and corner settings. Some pictures are converted, and transparent outer corners require a lossless export; there is no output-format selector.
No processing upload is needed. The selected file is decoded locally, the border is drawn on a browser canvas and a new image is created on your device. The page itself still loads over the network.
Use the tool in a supported browser on either device and reuse the same border percentage and color. Different source proportions can still produce different padding. Compare the framed photos together if they are meant to form a matching set.
This tool centers the photo and does not offer independent edge widths, a bottom-caption strip or text. It can make a plain surrounding frame; use a layout editor for an asymmetric instant-photo design.
A visible outside border makes the canvas larger before any device scaling. There is no inside-border mode that holds the output dimensions fixed. Use the separate Image Resizer afterward if the destination requires an exact width and height.
The added area here is a solid fill. Use AI Image Expander from the linked tools when you want newly generated scenery around the photograph rather than a visible frame.
The frame fill lies behind the photo, so transparent parts of the source can show the chosen color. Do not use this as a general transparency-preserving editor. With no added border and rounded outer corners, unfilled areas can remain transparent.
Yes. The rounded outline clips pixels outside its curve. Keep rounding at its minimum to retain corner details, or use a smaller curve and check the subject’s edges before saving.
Usually not for a rectangular photo. Adding the same number of pixels to both dimensions changes their ratio, even though the photo inside is not stretched. A square stays square. The default canvas setting means no extra shape padding, not a locked original aspect ratio.
Your first 2 downloads are free with no account. Sign in free for 8 more. Any paid Imagera plan makes downloads unlimited, and adds AI credits for the paid tools. Processing and the preview are always free.
Your first 2 downloads and every download on a paid plan have none. Free downloads 3 to 10, after sign-in, carry a small “Made with imagera.ai” badge in the corner. The result on screen is always clean.
Batch processing needs any paid Imagera plan; one file at a time is free.
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