TIFF to PNG Converter — Free Online
Convert TIFF to PNG online for free. No signup required. Client-side — your files never leave your device.
About TIFF to PNG Conversion
Converting TIFF to PNG sits at the intersection of two of the most-searched questions in image workflows: file compatibility and file size. TIFF files behave well in their native environment but cause friction when you need to share, edit, or publish them somewhere that expects PNG. The most common triggers for this conversion are uploading to a platform that rejects TIFF, opening the file in software that does not recognize it, attaching the image to a document workflow, and reducing the file size for faster web delivery. None of those problems require a server upload — the file format is fully described, the math is well-known, and a modern browser has every API needed to do the conversion locally. TIFF and PNG are both lossless, so this conversion is about portability rather than throwing pixels away — you keep every detail but trade an archival, print-oriented format for one every browser renders natively. The result is an image that stays pixel-perfect while gaining transparency support and effortless web compatibility. FileChange decodes the TIFF and re-encodes it as PNG entirely in your browser's Canvas, preserving the exact pixel values rather than re-compressing them lossily.
Why People Convert TIFF to PNG
There is no single reason to convert TIFF to PNG; there are four overlapping ones. Compatibility is the most common: the destination application, website, or printer simply does not accept TIFF. File size is the second: PNG either compresses better (saving bandwidth) or worse (preserving fidelity) than TIFF, and the right choice depends on what you do next with the image. Editing is the third: some editors strip metadata or refuse to open certain TIFF variants, while PNG loads cleanly. And finally there is preservation — converting between lossless formats avoids generation loss when you plan to keep editing the file. FileChange handles all four motivations in the same one-click flow. You convert TIFF to PNG when you need a lossless image that the web and ordinary apps will actually open — think a scanned logo, a diagram, or line-art that must stay crisp with no compression artifacts. PNG keeps the lossless quality of TIFF but adds an 8-bit alpha channel and universal support, making it the natural home for non-photographic graphics that need to travel.
How to Convert TIFF to PNG Online
- Open FileChange. Open this TIFF to PNG converter in any modern browser — Chrome, Firefox, Safari, or Edge all work. No installation, no plugin, no account.
- Drop your TIFF file. Drag your TIFF file into the upload area, or click to browse your device. You can also drop multiple files at once for batch conversion.
- Confirm PNG as the target. PNG is pre-selected. Optionally open "Advanced settings" to tune quality, resolution, or other format-specific options.
- Click Convert. Your file is processed locally in your browser. The first run loads the conversion engine; subsequent files convert almost instantly.
- Download your PNG. When the conversion finishes, the PNG file downloads automatically. Nothing was uploaded, nothing is stored, nothing leaves your machine.
How the TIFF → PNG Conversion Works
FileChange converts TIFF to PNG using the browser Canvas API to redraw your image into the target encoder. The flow is straightforward: your TIFF file is read from disk via the File API, decoded into an intermediate representation, transformed into the PNG target, and offered back as a download. Every step runs on your own device — there is no server in the loop, no queue, and no third-party storage. The same approach is used by professional desktop converters; running it in the browser just removes the install step.
Top Use Cases for TIFF to PNG
- Turning a scanned logo or signature stored as TIFF into a transparent-background PNG for use in Figma or a Google Docs header.
- Converting a TIFF technical diagram into a PNG so it embeds cleanly in a GitHub README or a web page without artifacts.
- Open TIFF files in apps and platforms that only accept PNG
- Reduce file size for email, messaging, and web delivery by switching from high-fidelity print and archival image format to lossless image format with transparency
- Batch convert many TIFF files at once without uploading them anywhere
- Keep sensitive TIFF content private — the conversion happens entirely on your device
- Avoid signup walls, watermarks, and trial limits on competing online converters
- Prepare TIFF images for PNG-only platforms (some CMSs, email clients, design tools)
About the TIFF Format
TIFF is a flexible, high-quality raster image format used primarily in professional photography, publishing, and medical imaging. Developed by Aldus (later acquired by Adobe) in 1986, TIFF supports multiple pages, layers, various compression methods, and high bit depths up to 32-bit per channel. TIFF files can store images in virtually any color space including RGB, CMYK, Lab, and spot colors, making them the standard format for prepress and print workflows. TIFF is the lossless, archival source — ideal for fidelity but multi-page-capable and too niche for the web, where almost nothing displays it inline.
TIFF was introduced by Aldus Corporation in 1986 and now the standard archival format in print and scanning workflows.
About the PNG Format
PNG is a lossless raster image format created in 1996 as a patent-free replacement for GIF. Every pixel in a PNG file is stored exactly as saved, with no compression artifacts or quality degradation. PNG supports full alpha channel transparency, making it the standard format for logos, icons, screenshots, UI elements, and any image that requires crisp edges or transparent backgrounds. PNG is the target because it keeps TIFF's lossless quality while adding true alpha transparency and rendering natively in every browser and image viewer.
PNG was created in 1996 as a patent-free replacement for GIF, then quickly adopted as the web standard for graphics and screenshots.
TIFF vs PNG — Side-by-Side
| TIFF | PNG |
|---|
| Compression | Lossless (LZW, ZIP, PackBits) or None | Lossless (DEFLATE) |
|---|
| Transparency | Yes | Yes |
|---|
| Animation | No | No |
|---|
| Max Colors | Unlimited (up to 32-bit per channel) | 16.7 million (24-bit) or 281 trillion (48-bit) |
|---|
| Color Space | RGB, CMYK, Lab, YCbCr, Grayscale | RGB, RGBA, Grayscale, Indexed |
|---|
| Bit Depth | 1, 8, 16, or 32-bit per channel | 1, 2, 4, 8, or 16-bit per channel |
|---|
| Metadata | EXIF, IPTC, XMP, custom tags | tEXt, iTXt, zTXt chunks |
|---|
Quality tips for TIFF → PNG
When converting TIFF to PNG, the single most impactful setting is the output quality slider. Above 85% you cannot perceive any compression artifacts in normal viewing; below 60% the image starts to feel visibly degraded. FileChange defaults to 92% quality, which is visually lossless for nearly all photographs and screenshots. If PNG is a lossless format (PNG, BMP, TIFF), the quality slider is irrelevant — every pixel is preserved exactly. For TIFF to PNG conversions involving a lossy target, you can also resize down to the actual display size to drop file size further without any visible loss. FileChange exposes both controls under "Advanced settings" before you hit Convert. Both formats are lossless, so no image data is discarded in the conversion — a TIFF of text, screenshots, or line-art lands in PNG with edges intact. PNG's compression is strong for flat-color and line content but inefficient for photographs, so a photographic TIFF may produce a surprisingly large PNG.
Troubleshooting
If your TIFF is a photograph, the resulting PNG can be very large — PNG's lossless compression isn't designed for continuous-tone photo data.
For photographic TIFFs where file size matters, choose JPEG or WebP instead; reserve PNG for line-art, text, screenshots, or anything that needs a transparent background.
The conversion is slower than expected
Heavy formats (video, large PDFs, big audio files) run entirely on your CPU. The first conversion in a session loads the WASM engine (about 30 MB for FFmpeg, 2 MB for PDF.js) — subsequent conversions reuse the loaded engine and run much faster. Close other heavy tabs to free memory.
The output PNG looks different from my TIFF
Format conversions are not always pixel-identical. Color spaces, font substitutions, and metadata can shift. For best fidelity, use the highest-quality original you have, and pick lossless target formats (PNG, FLAC, WAV) when fidelity matters more than file size.
The browser ran out of memory
Very large files (multi-GB videos, 1000-page PDFs) can exhaust a browser's memory. Split the file into smaller chunks, close other tabs, or use a desktop converter for files over 2 GB.
The colors look washed out or off
Color profile data sometimes does not survive a conversion. Most browsers assume sRGB; if your source has a wide gamut profile (Display P3, Adobe RGB), the output may render flatter. Open the converted file in software that respects embedded color profiles for accurate color.
Frequently Asked Questions about TIFF to PNG
Does TIFF-to-PNG lose any quality?
No. Both TIFF and PNG are lossless, so the pixel data is preserved exactly — you are repackaging the same image into a more web-friendly, transparency-capable container.
Will a transparent TIFF keep its transparency as PNG?
Yes. PNG supports an 8-bit alpha channel, so transparent regions in the source carry over rather than being flattened onto a background the way JPEG would force.
Why might my PNG be larger than the original TIFF?
PNG compression excels at flat colors and line-art but handles photographic detail poorly. If your TIFF was a photo, the PNG can end up larger; a lossy format like JPEG or WebP would be far smaller for that content.
Is FileChange's TIFF to PNG converter really free?
Yes, completely free. There is no signup, no free trial that runs out, no credit card, and no watermark on the output. Convert as many TIFF files to PNG as you need, as often as you want.
Is my TIFF file uploaded to a server when I convert to PNG?
No. The conversion runs entirely inside your browser using the browser Canvas API to redraw your image into the target encoder. Your file is read locally, processed on your CPU, and the resulting PNG is generated on your device. Nothing is transmitted, stored, or logged anywhere.
How long does TIFF to PNG conversion take?
Image conversion is nearly instant — typically under a second. Very large images (50+ megapixels) take a few seconds longer because of the canvas redraw.
Is there a file size limit when converting TIFF to PNG?
There is no hard cap — your device's available memory is the real ceiling. In practice, most TIFF files up to a few hundred megabytes convert without issues. Very large files (multi-GB videos, thousand-page PDFs) may slow down or fail on low-memory devices.
Can I batch-convert multiple TIFF files to PNG at once?
Yes. Drop as many TIFF files as you like in a single batch and FileChange converts them all in one click. Each file is processed independently and then offered as a download.
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