Image Border & Frame

Add solid borders, rounded corners, or Polaroid-style frames to images. Configure colors, widths, and captions. Output as PNG, JPG, or WebP.

1.0.0
Version
Auth
Batch

About Image Border & Frame

Phones and cameras shoot edge-to-edge but social posts, presentation decks and printed photo grids look better with a little breathing room — a thin white border, soft rounded corners, or the unmistakable Polaroid frame with room for a caption underneath. Doing it in Photoshop is overkill; doing it in CSS only works on the web; doing it in Preview or Paint requires re-flattening every time. Most online border tools either watermark the result or hide rounded-corner and Polaroid layouts behind a paid tier.

This image border tool covers the three layouts you actually want. Solid border — any hex colour with optional alpha, configurable width in pixels. Rounded corners — pick a radius and either a transparent background (PNG output) or any solid background colour. Polaroid frame — auto-styled white frame with extra bottom space for a caption, an optional drop shadow, and the caption text rendered in a clean handwriting-style font. The hex picker supports alpha for semi-transparent borders, output goes to PNG (with transparency), JPEG (with quality slider) or WebP, and the underlying pixels are processed by Pillow on the server — no in-browser canvas quality loss.

Use it to dress up product photos before listing on Etsy or marketplaces, prep round-cornered avatars or profile pictures, build Polaroid-styled mood boards, frame a screenshot for a blog post, or just give a holiday photo the wedding-album finish before printing. Files up to 30 MB are processed in a stateless serverless function and discarded immediately after the response.

Image Border & Frame Use Cases

  • Etsy and marketplace sellers framing product photos for consistent listings
  • Designers prepping round-cornered avatars for app stores or profile uploads
  • Bloggers and writers adding a clean border to screenshots before publishing
  • Photographers giving family or wedding photos a Polaroid finish before printing
  • Marketers building mood-board grids with consistent border treatments
  • Adding a transparent border (alpha hex) for layering over coloured backgrounds
  • Quick branded frames in a fixed hex colour for social-media batch posts

Image Border & Frame Features

  • Three modes — solid border, rounded corners, Polaroid frame with caption — covering the layouts people actually use
  • Hex colour picker with alpha so semi-transparent borders work for overlay use cases
  • Configurable border width, corner radius and Polaroid bottom padding so you can match an existing design system
  • Polaroid mode adds an optional drop shadow and renders the caption in a clean handwriting-style font
  • Pillow-powered server-side rendering — pixel-perfect output, no canvas-induced quality loss on retina displays
  • Output to PNG (preserves transparency for rounded corners), JPEG (with quality slider 1–100) or WebP
  • Files up to 30 MB processed in a stateless serverless function and discarded immediately after the response

How to Use Image Border & Frame

Upload your image

Drag-and-drop a JPEG, PNG, WebP, BMP or TIFF (up to 30 MB) onto the upload zone. The original's aspect ratio is preserved — the border or frame extends the canvas around it rather than cropping.

Pick a mode

Solid border for a simple frame in any colour. Rounded corners to soften edges (transparent or coloured background). Polaroid for the classic instant-photo look with a wide bottom panel and optional caption.

Tune the parameters

Solid: pick border width (in pixels) and hex colour (alpha supported). Rounded: pick radius and background colour or transparent. Polaroid: pick padding, bottom padding, caption text, drop-shadow toggle. Defaults give a sensible starting point.

Pick output format and quality

PNG preserves transparency and is lossless — pick this for rounded corners on a transparent background. JPEG produces smaller files (use the quality slider 1–100, 92 is a sensible default). WebP for modern web delivery.

Apply and download

Click Apply. The server-side Pillow render returns the new image, and the preview shows the result before you commit to the download. The result panel shows input vs output dimensions plus the output byte size.

Image Border & Frame FAQ

No. The upload is processed in a stateless serverless function and discarded immediately after the response is sent. Nothing is logged to durable storage. The output image is returned inline (base64) so there's no intermediate file sitting on a CDN.

Yes, if you pick PNG output and leave the background colour transparent. The pixels outside the corner radius are written as alpha=0, so the image overlays cleanly on any backdrop. If you pick JPEG (which has no alpha), the background colour is filled in solid — pick a hex that matches your destination.

Yes. The Polaroid mode reserves bottom padding for a caption rendered in a clean handwriting-style font. Leave the caption field empty for a blank white panel, or type up to a couple of lines — the renderer fits the text into the reserved area without clipping.

30 MB per upload. This covers JPEGs and PNGs from modern cameras (24–60 MP) and most edited TIFFs. Multi-hundred-MB raw files exceed this — flatten and export to JPEG or PNG before uploading.

No. The output is your image with the border, rounded corners or Polaroid frame applied — nothing else. No watermark, no logo overlay, no metadata stamping. Many free border tools add a brand mark to push users to a paid tier; this one doesn't.

Yes. The hex picker accepts an 8-digit hex with alpha (e.g. #FFFFFF80 is white at 50% opacity). Pick PNG output for the alpha channel to survive — JPEG flattens transparency against a background colour, so a semi-transparent border becomes a solid blend.

Fotor and Canva are full editors — great for posters and templates, heavy when the task is 'add a 20-pixel white border to a screenshot'. This tool does only borders, rounded corners and the Polaroid layout, exports without watermark, and doesn't require a signup. Use it when the task is a single edit and you don't want to wade through a creative-suite UI for it.

Upload image or drag here

PNG, JPG, WebP — max 30MB
Solid Border
Rounded Corners
Polaroid Frame

Image Border & Frame Tutorial

Three Modes

  • Solid Border — adds a flat-color border around the image. Great for separating against a busy background or framing a profile pic.
  • Rounded Corners — clips corners to a soft radius. Output keeps transparency in PNG. Use rgba(...,0) for the bg to get fully transparent corners.
  • Polaroid Frame — classic Polaroid look with thicker bottom for a caption. Optional drop shadow.

Tips

  • For social media avatars, try Rounded Corners with radius around 30% of image width
  • For Instagram-style frames, use Solid Border with white, 20-50px
  • For mood-board posts, Polaroid with shadow looks great
  • Output PNG to keep transparent rounded corners; JPEG will fill them with the bg color