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Supports: XCF
XCF is GIMP's native project format — a binary container that stores layers, channels, paths, selections, guides, and full alpha transparency at up to 32-bit per channel precision. Almost nothing outside GIMP itself can open an XCF, so the format is great for editing but unsuitable for sharing or embedding. GIF (Graphics Interchange Format), introduced by CompuServe on June 15, 1987 and extended in 1989 with the GIF89a revision, is universally supported by every browser, every OS image viewer, every messaging app, and every email client written since the early 1990s. The conversion flattens the XCF into a single GIF image readable everywhere.
This converter produces a static, single-frame GIF by flattening the XCF to its visible composite. To turn XCF layers into the frames of an animated GIF, use GIMP's own File → Export As → GIF dialog with "As animation" checked — the layered-to-animated mapping needs explicit frame-timing metadata that an offline converter can't infer reliably from arbitrary layer names.
| Property | XCF | GIF |
|---|---|---|
| Year / origin | GIMP, 1995–present | CompuServe, June 1987 (GIF87a) / 1989 (GIF89a) |
| Compression | Lossless, RLE on raw pixel data | Lossless LZW on indexed pixels |
| Color depth | Up to 32-bit per channel float | 8 bits per pixel, 256 colors max per frame |
| Transparency | Full 8-bit alpha + layer masks | 1-bit (one palette index marked transparent) |
| Layers | Yes — unlimited, with blend modes | No — single composited frame (or multiple frames for animation) |
| Animation | Stored as separate layers; needs explicit export | Native — multiple frames with per-frame delay |
| Editability | Fully editable in GIMP | Effectively flat once exported |
| Compatibility | GIMP only (and a handful of plugins) | Universal — every browser, OS, email client |
| Typical file size | 5–10× the equivalent PNG | Smallest for ≤256-color images; large for photos |
| Source content | Best Colors setting | Why |
|---|---|---|
| Pixel art, icons, line art | 16 or 32 colors + Dither | Often gives a smaller file than ORIGINAL with no visible loss |
| Logos with flat fills | 8–32 colors, no dither | Pure flat color — dithering only adds noise |
| Screenshots / UI mocks | 64–128 colors + Dither | Modern UIs use anti-aliasing and gradients |
| Photographs | ORIGINAL or 256 colors + Dither | GIF is poor for photos; expect banding either way |
| GIMP painting / digital art | 256 colors + Dither | Maximum palette gives the best fidelity GIF allows |
No — this converter flattens every layer to a single visible composite and outputs a static, single-frame GIF. Treating layers as animation frames requires explicit frame timing (delay per frame, dispose method, loop count) that GIMP applies via its own File → Export As → GIF dialog when "As animation" is checked. If you need an animated GIF from layers, do the export in GIMP itself.
Full alpha (semi-transparent pixels) cannot survive the conversion — GIF89a only supports 1-bit transparency, where a single palette index is marked fully transparent and every other pixel is fully opaque. Soft anti-aliased edges in your XCF will become hard binary edges in the GIF. For full alpha, convert to XCF to PNG instead.
GIF is limited to 256 colors per frame, indexed from a 24-bit RGB palette. XCF images with smooth gradients, photographic content, or subtle color shading get quantized into the nearest 256 colors, which produces visible banding. Enabling "By Color Reduction + Dither" trades some sharpness for smoother gradients by adding ordered noise. For full-color output, convert to XCF to PNG or XCF to JPG.
Pick GIF when you specifically need animation, when the target system only accepts GIF, or when the image has under ~64 distinct colors and you want the smallest file. Pick XCF to PNG for full-color graphics, screenshots, and anything needing semi-transparent edges. Pick XCF to JPG for photographs or large continuous-tone images where a small file matters more than perfect fidelity.
No — XCF parsing happens server-side, so you don't need GIMP installed locally. That said, the parser supports the standard XCF feature set (raster layers, alpha, layer masks); exotic GIMP extensions (GEGL operations, dynamic text layers, vector paths used decoratively) get rasterized to whatever GIMP would have shown on screen.
files are processed on our servers and deleted automatically after a few hours, so the practical limit is upload size and connection speed rather than a hard server cap. A typical 1–2 GB laptop session handles XCF files into the hundreds of megabytes; very large multi-layer paintings (multi-gigabyte XCFs) may need a desktop with more RAM.
Yes — drop in an entire folder. Each XCF converts independently with the settings you've chosen, and outputs are delivered individually or as a single ZIP. The browser parallelizes conversions across CPU cores.
Text layers in XCF are flattened to the same pixel grid as the rest of the image during conversion, using whatever font GIMP rendered them with at save time. The text becomes part of the bitmap; you cannot re-edit it after conversion. If the original GIMP file used a font that GIMP couldn't substitute identically, the text appearance is whatever GIMP wrote into the XCF's saved composite preview.
GIMP's own File → Export As → GIF gives you the most control — explicit animation frame timing, choice of dispose method, comment metadata, and interlace toggle. This online tool is faster when you don't have GIMP open, when you're batch-converting many XCFs, or when you just want a flat GIF without setting up an export dialog. For animated GIFs from layered XCFs, GIMP itself remains the right choice.