ICO to TIFF Converter: Free, Private, No Upload
Convert ICO files to TIFF in your browser. Lossless output, batch up to 20 files at once, no upload, no account, no watermark. Your files never leave your device.
- ICO to TIFF
- Batch up to 20 files
- No upload, no account
- Metadata stripped
- 1Add up to 20 images
- 2Pick from 18 formats
- 3Download or copy the code
Processed on your device. Your images are never uploaded, and metadata is stripped. How we keep it private
How do I convert ICO to TIFF for free?
Drop your ICO files into the tool above, choose TIFF as output, and download the result. Everything runs in your browser, so nothing is uploaded and there is no limit or watermark. It works on Windows, Mac, Linux, ChromeOS, iOS and Android — anywhere you have a modern browser.
- Price
- Free, no credits and no daily cap
- Account required
- No
- File uploaded to server
- No, processed locally in your browser
- Batch limit
- Up to 20 files at once
- Input format
- ICO
- Output format
- TIFF
- Best for
- TIFF workflows, lossless quality, editing, printing
- Works on
- Chrome, Edge, Firefox, Safari, iOS and Android browsers
- Privacy
- No upload, no tracking, metadata stripped
- Output quality
- Lossless, exact pixels
How to convert ICO to TIFF
- 1
Drop your ICO files
Drag up to 20 ICO files onto the page or click to choose them. Everything runs in your browser.
- 2
TIFF is preselected
Output is already set to TIFF. Adjust quality, resize or batch if you want.
- 3
Download
Save each TIFF, or download all of them together as a ZIP.
ICO to TIFF: what changes and when it makes sense
ICO is an Windows icon format. It is best known for packing several sizes (16, 32, 48, 256 pixels) into a single file. The main drawbacks are a maximum size of 256 by 256 pixels and little use outside icons.
TIFF is a Tagged Image File Format. It is best known for archival quality, high bit depth and CMYK support. The main drawbacks are large files and no display support in most browsers.
ICO vs TIFF at a glance
| Property | ICO | TIFF |
|---|---|---|
| Type | Container format | Container format |
| Compression | A container holding one or more bitmaps, each stored as BMP or PNG data | Flexible: uncompressed, lossless (LZW or ZIP) or JPEG-compressed |
| Transparency | Full alpha channel with soft edges | Full alpha channel with soft edges |
| Animation | No | No |
| Colour depth | Up to 32-bit colour with an 8-bit alpha channel | 8, 16 or 32 bits per channel, with CMYK, layers and multiple pages |
| Support | Supported by Windows and by browsers as a favicon, but most image viewers and editors do not open it directly | Supported by professional editors, scanners and print workflows. Safari is the only major browser that displays it |
| History | Introduced by Microsoft with Windows 1.0 in 1985. The modern 32-bit alpha version became standard with Windows XP (2001). Windows Vista (2007) added PNG compression inside ICO for icons larger than 48x48. | Created by Aldus (later Adobe) in 1986 for desktop publishing and scanning. Owned by Adobe since 1994. Remains the professional standard for print, archival imaging and medical imaging. |
What actually changes in this conversion
- Both ICO and TIFF are lossless, so the pixels come through unchanged.
- Transparency is preserved, including soft edges.
- Browser-based conversion works in 8-bit sRGB. Wide-gamut, 10-bit and 16-bit data are reduced. For colour-critical work, keep the original.
- EXIF, GPS and camera data are stripped on every conversion. That is good for privacy, but you lose capture dates.
About ICO: history and technical details
Introduced by Microsoft with Windows 1.0 in 1985. The modern 32-bit alpha version became standard with Windows XP (2001). Windows Vista (2007) added PNG compression inside ICO for icons larger than 48x48.
Technical: Container holds 1-65535 images. Each entry has a 16-byte directory: width, height, colour count, planes, bit count, data size, data offset. Images are BMP (DIB) or PNG. Max dimension 256x256. Typical Windows icons use 16, 32, 48, 64, 128, 256.
Real-world size: A 6-size favicon.ico is typically 15-40 KB. A single 256x256 PNG favicon is 8-15 KB. Modern best practice uses separate files for 16, 32, 180 (Apple), 192, 512 (PWA).
Popular tools: IcoFX, GIMP, Adobe Photoshop (with plugin), ImageMagick, Favicon Generator, RealFaviconGenerator.
Alternatives: PNG (single size, widely accepted), SVG (sharp at any size), favicon.ico (still needed for legacy).
About TIFF: what you get
Created by Aldus (later Adobe) in 1986 for desktop publishing and scanning. Owned by Adobe since 1994. Remains the professional standard for print, archival imaging and medical imaging.
Technical: Tag-based file structure with IFD (Image File Directory) entries. Supports CMYK, Lab, RGB, grayscale, bilevel. 8, 16, 32-bit depth. Multiple pages. Layers via extensions. Compression: none, LZW, ZIP, JPEG, PackBits.
Real-world size: A 300 DPI A4 scan is 25-50 MB as uncompressed TIFF. Same as PNG: 10-20 MB. As JPG at quality 90: 3-8 MB but with loss. Print workflows use TIFF because quality is preserved and CMYK is supported.
Popular tools: Adobe Photoshop, Adobe Illustrator, GIMP, ImageMagick, Capture One, Vuescan, SilverFast.
Alternatives: PNG (8-bit only, no CMYK), JPEG XL (future format), PSD (Photoshop native), PDF (for sharing).
Browser and software compatibility
ICO: Supported by Windows and by browsers as a favicon, but most image viewers and editors do not open it directly. TIFF: Supported by professional editors, scanners and print workflows. Safari is the only major browser that displays it.
Browsers other than Safari will not display TIFF. Use it for print, scanning and archiving.
Why people move away from ICO
- ICO is capped at 256 by 256 pixels, so it is of no use as a general-purpose image format.
- Many image viewers and design tools cannot open ICO directly, so you need a PNG to edit it.
Why people choose TIFF
- Print shops, publishers and archives often ask for TIFF as a lossless master.
- TIFF can hold 16-bit data, CMYK and multiple pages, which suits scans and professional workflows.
- Lossless storage means no generational loss across repeated edits.
Common mistakes with ICO
- Creating a favicon.ico with a single 16x16 size — looks blurry on Retina
- Using ICO for general images — 256x256 limit makes it useless
- Forgetting the .ico fallback — some old browsers still request it automatically
Best practices for keeping quality
- ICO files are tiny, often 32 by 32 pixels. Scaling them up blurs, so start from a larger original when possible.
- A browser conversion produces 8-bit RGB. If your printer asks for CMYK or 16-bit TIFF, you will need desktop software.
- Expect large files, and check any upload limit before saving.
- Resize before converting if the image will be shown small. A 4000 pixel photo displayed at 800 pixels wastes bytes in any format.
- Check the result at 100 percent zoom, especially around text, edges and gradients, before you replace any originals.
- Keep your original files. Conversions to a lossy format cannot be undone.
- When you convert a set of images, use the same quality setting for the whole batch. The converter handles up to 20 files at once.
ICO to TIFF questions
Quick answers about privacy, quality, supported formats, file limits and how TIFF works.
Why convert ICO to TIFF?
TIFF is lossless. It keeps every pixel exactly. It is the safe choice when you plan to edit, print or need exact pixel data.
Will converting ICO to TIFF lose quality?
No. TIFF is lossless, so nothing is thrown away.
Does TIFF keep transparency?
Yes. TIFF supports full transparency, so transparent areas in your original are kept.
Are my files uploaded?
Never. Everything runs in your browser. Your files never leave your device. Open DevTools Network tab while processing — you will see no upload request.
Can I convert many files at once?
Yes, up to 20 files at once. Download them individually or all together as a ZIP.
Does the converter strip metadata?
Yes. Browsers do not pass EXIF data through a canvas, so GPS, camera model and dates are removed on every conversion. That is good for privacy.
Is it free?
Yes. No credits, no daily cap, no account, no watermark. The practical limit is your device memory.
Is TIFF always lossless?
No. TIFF is a container that can hold uncompressed, LZW/ZIP lossless, or JPEG-compressed (lossy) image data. Most print workflows use lossless TIFF, but lossy TIFFs exist.
Can browsers display TIFF?
Only Safari. Chrome, Firefox and Edge do not natively render TIFF files. This is why TIFF is unsuitable for web pages and must be converted to PNG, JPG or WebP for web use.
Your files never leave your device
No upload, no account, no tracking. Everything happens in your browser using the Canvas API and WebAssembly. You can confirm this in your browser's DevTools Network tab while the tool runs — no request carries your file. See why ToolDeck is different.