CONVERT ICO → TIFF (ICO to TIFF)
Fast, secure ICO to TIFF conversion. No registration required.
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Automatic format identification and lossless transcoding across 201+ formats.
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- ✓ sRGB Color Fidelity
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EXIF & Color Verification Audit ISO Verified
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GPS Coordinates (37.1773° N, 3.5986° W): Stripped (Zero Location Leak)
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Device Serial & Lens ID: Stripped (EXIF / IPTC / XMP Clean)
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Color Space Profile: Display P3 → sRGB IEC61966-2.1
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Chroma Subsampling: 4:4:4 High Fidelity (High-fidelity algorithmic conversion)
HOW TO CONVERT ICO → TIFF
Provide the ICO
Click or drag to upload. We accept a single ICO file per job, with an optional queue of additional images for batch mode.
Encode to TIFF
The conversion decodes the ICO, resolves the colour space to sRGB and writes the TIFF container around the pixel data.
Save the TIFF
The download is streamed back over HTTPS. If you uploaded multiple files, a ZIP with all TIFF outputs is produced instead.
ICO is the Windows icon container with multiple resolutions packed into one file. Reaching a TIFF from there is one hop. Turn a ICO image into a TIFF in seconds. The two formats share the same raster DNA so the visible quality is very close; what changes is how the file is packaged, which matters for browsers, editors and CMS uploaders. KaijuConverter runs the conversion server-side and deletes both files within two hours. Technical note: ICO is the Windows icon container with multiple resolutions packed into one file. Compare that with TIFF is the archival multi-page master format used in scanning, print and document pipelines.
Why convert ICO to TIFF
The real reason to move from ICO to TIFF is almost never picture quality — both raster formats store essentially the same pixels. It is about the tools downstream: which editors open the file natively, which CMSes upload it without transcoding, which social platforms accept it. Picking TIFF solves those edge cases at the cost of a short conversion step.
ICO vs TIFF — Technical specifications
Side-by-side comparison of the technical details.
ICO
- MIME type
- image/vnd.microsoft.icon
- Max resolutions per file
- 65 535 images
- Max single image size
- 256×256 px
- Color depths
- 1, 4, 8, 24, 32 bits per pixel
- Compression
- Uncompressed bitmap or embedded PNG (Vista+)
- MIME Type
- image/x-icon
- Extension
- .ico
- Category
- Raster & Vector Images
- Full Name
- ICO Icon
- Conversion Engine
- IMAGEMAGICK
TIFF
- MIME type
- image/tiff
- MIME Type
- image/tiff
- Extension
- .tiff
- Category
- Raster & Vector Images
- Full Name
- TIFF Image
- Conversion Engine
- IMAGEMAGICK
- Extensions
- .tif, .tiff
- Standard
- TIFF 6.0 (1992); BigTIFF extension for 64-bit offsets
- Max file size
- 4 GB (TIFF); 2^64 bytes (BigTIFF)
- Compression options
- None, LZW, Deflate, JPEG, CCITT G3/G4, PackBits, JBIG
| Specification | ICO | TIFF |
|---|---|---|
| MIME type | image/vnd.microsoft.icon | image/tiff |
| Max resolutions per file | 65 535 images | — |
| Max single image size | 256×256 px | — |
| Color depths | 1, 4, 8, 24, 32 bits per pixel | — |
| Compression | Uncompressed bitmap or embedded PNG (Vista+) | — |
| MIME Type | image/x-icon | image/tiff |
| Extension | .ico | .tiff |
| Category | Raster & Vector Images | Raster & Vector Images |
| Full Name | ICO Icon | TIFF Image |
| Conversion Engine | IMAGEMAGICK | IMAGEMAGICK |
| Extensions | — | .tif, .tiff |
| Standard | — | TIFF 6.0 (1992); BigTIFF extension for 64-bit offsets |
| Max file size | — | 4 GB (TIFF); 2^64 bytes (BigTIFF) |
| Compression options | — | None, LZW, Deflate, JPEG, CCITT G3/G4, PackBits, JBIG |
ICO vs TIFF — Strengths and limitations
What each format does best, and where it falls short.
ICO Strengths
- Multi-resolution: one file, many sizes, OS picks the right one.
- Universal favicon support in every browser since IE5.
- Supports transparency (1-bit since 1985, full alpha since XP).
- Tiny file size — an entire favicon pack typically fits in under 15 KB.
- No licensing or patent concerns — fully in the public domain spec-wise.
Limitations
- Cannot compress continuous-tone images efficiently — use PNG or WebP for photos.
- Format is essentially frozen in 1999 — no HDR, no wide gamut, no modern features.
- Maximum image dimension is 256×256 px (inside an ICO container).
TIFF Strengths
- Lossless by default — no generation loss on successive edits and saves.
- Supports any bit depth (1 to 32 bits per channel), any color model, any number of channels.
- Extensible tag system means vendor-specific data survives alongside standard tags.
- Multi-page containers are perfect for scanned documents, faxes, and DICOM-like stacks.
- Industry-standard for archival, museums, scientific imaging, and high-end print prepress.
Limitations
- File sizes are huge compared to JPEG/WebP/AVIF — often 10-30× larger.
- Not a web format — no browser displays TIFF natively.
- Ambiguous spec areas mean some TIFFs only open correctly in the tool that created them.
Quality & Compatibility
ICO-to-TIFF conversion does not change the visible content. Quality is capped by the ICO decode; re-encoding a lossy source at high quality cannot recover detail that was already discarded. For archival masters, keep the original ICO alongside the TIFF copy.
Tips for Best Results
- Large ICO files may look identical to small TIFF files for photographic content; pick quality based on end use, not headline megapixels.
- For print, export TIFF at 300 DPI minimum and check that the colour profile embedded matches the print shop specification.
- Batch-convert related ICO images in one pass so they share identical encoder settings and look consistent side-by-side.
Frequently Asked Questions
It depends on the codecs involved. If both ICO and TIFF are lossy, the pixels are re-encoded and a small amount of detail is discarded — invisible at default quality settings on photographs. If TIFF is lossless (PNG, TIFF, BMP) the output keeps every pixel of the decoded ICO exactly, but cannot recover detail that ICO had already compressed away.
Often yes, especially when TIFF is lossless. ICO tuned for efficient web delivery will usually produce smaller files than TIFF's default settings. If file size matters, drop the quality in Advanced or pick a more compressed target format instead.
KaijuConverter uploads over HTTPS, processes the image in an isolated container and deletes both the source and the output within two hours. No account is required, file contents are never logged, and we do not use uploads to train any model. For confidential material, the paid plan includes a data-processing agreement.
ICO Icon
Source formatICO is the icon file format used for favicons and Windows application icons. A single ICO file can contain multiple image sizes and color depths for different display contexts.
TIFF Image
Target formatTIFF is a flexible, high-quality image format widely used in publishing, printing, and professional photography. It supports multiple compression methods and color spaces including CMYK.
Going the other way? Convert TIFF back to ICO with the same engine.
Common Use Cases
Share across platforms
Send TIFF files to anyone without worrying about whether they have the right software for ICO.
Embed in documents
Drop TIFF output into Word, Google Docs, PowerPoint, Notion or a website without conversion warnings.
Optimize size
TIFF often produces smaller files than ICO for web, email and storage.
Archive & future-proof
Store in a widely-supported format that will still open on future operating systems without legacy plugins.
ICO vs TIFF — Typical file sizes
Approximate file sizes for common scenarios.
- Classic favicon (16×16 only) < 2 KB
- Multi-size favicon pack (16/32/48/256) 5-15 KB
- Full Windows app icon set 20-100 KB
- Scanned A4 page (300 dpi, B&W) 100-300 KB
- Scanned A4 page (600 dpi, color) 15-40 MB
- Print-quality magazine photo 30-150 MB
Need to Convert Gigabyte Archives or Mass Folders?
KaijuConverter delivers ultra-fast in-memory conversions for everyday tasks. For multi-gigabyte production workloads without browser bandwidth bottlenecks, explore high-throughput desktop suites.
One-time payment with zero recurring commitment: convert files up to 1 GB, OCR, PDF/A, and .ZIP batches for 24 hours.
Full 7 days of unlimited conversions, up to 2 GB per file, 100% ad-free with zero subscription.
High-throughput enterprise pipeline for files up to 2,048 MB, 50-file batches, ISO PDF/A, and priority processing.
Convert thousands of camera RAW files (CR3, NEF, ARW) to WebP, AVIF, or TIFF in one pass.
GPU-accelerated RAW development with end-to-end 16-bit ICC color profile management.
Related comparisons
See these formats side by side to understand which fits your use case best.
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