Convert TIFF to TTF
Turn scanned TIFF lettering into a mapped, installable TrueType font.
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How to convert tiff to ttf file
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A scanned lettering sheet is an image, but a word processor, design application, or operating system needs an installable font for typed text. Converting it requires tracing the TIFF artwork into glyph outlines, assigning Unicode characters, and exporting the completed typeface as TTF.
What the TIFF format is
TIFF is a raster image format used for high-resolution scans, monochrome glyph artwork, type specimens, and font-production references. Scanners, Adobe Photoshop, GIMP, and desktop-publishing applications commonly create TIFF files; photographers, publishers, archivists, and type designers use them for image storage and editing.
A TIFF stores pixels, optionally with lossless compression, rather than the Bézier outlines and font tables required by TrueType. Renaming .tif or .tiff to .ttf, or passing it through a general image converter, cannot create a usable font.
What the TTF format is
TTF, or TrueType Font, stores scalable glyph outlines together with character mappings, advance widths, side bearings, naming data, and optional hinting and kerning information. Operating systems and applications can render the same glyphs at different sizes, and TTF has broad support for installation, word processing, design, and web-related workflows.
TTF is appropriate when lettering must behave as selectable, searchable, editable text instead of remaining a printable or editable image. A font's file size can also be much smaller than storing high-resolution raster artwork for every character, although the exact size depends on the outlines and font tables.
How to convert the artwork
- Prepare the scan. Open the TIFF in GIMP, Photoshop, or another image editor. Deskew it, remove speckles, isolate the lettering, and convert it to grayscale or high-contrast black and white. Crop characters separately and save files such as
A.tif,B.tif, andacute.tif. Preserve the original scan before applying destructive cleanup. - Trace each glyph. Inkscape can open the image; select it and use Path → Trace Bitmap, adjust the threshold, apply the trace, delete the source bitmap, and save the resulting path as an individual SVG. For clean monochrome artwork, Potrace can trace a PBM image with
potrace -s A.pbm -o A.svg; convert the TIFF to PBM first if necessary. Review every trace because automatic vectorization can close counters, distort thin strokes, and create excessive nodes. - Build the font. Install FontForge, create a font with File → New, open a glyph slot such as
A, and use File → Import in the glyph window to import the matching SVG. Repeat for uppercase and lowercase letters, numerals, punctuation, symbols, and accented characters. A multi-character TIFF does not reliably identify character boundaries or Unicode values, so segmentation and assignment are manual. - Set metrics and metadata. In FontForge, position each outline against the baseline, set the advance width and side bearings, and adjust vertical metrics. Use Element → Font Info to set the family name, style, copyright, and designer information. Confirm that each glyph occupies the intended Unicode slot; use Encoding → Reencode only when the encoding needs correction.
- Validate and export. Run Element → Validation → Find Problems and correct open contours, self-intersections, overlapping paths, incorrect winding directions, extreme coordinates, and missing mappings. Generate the file with File → Generate Fonts, select
TrueType, and save it asMyFont.ttf.
BirdFont and FontLab can also assemble fonts from vector glyphs. FontLab is commercial, while BirdFont has free and paid editions depending on the edition and use. Neither automatically converts a complete TIFF into a correctly mapped typeface.
Online options and limitations
There is no dependable one-click TIFF-to-TTF conversion because the source image contains no inherent glyph boundaries, Unicode assignments, spacing, or font metadata. Online font builders such as Calligraphr can turn scanned character templates into fonts after the artwork is prepared in a supported image format; follow the service's current upload requirements, assign every character, adjust spacing, and inspect the generated font. Use online services only for non-confidential artwork, and open the result in FontForge or another font editor before distribution.
Quality and compatibility
A scan cannot recover the original typeface's exact outlines, hinting, kerning, OpenType features, or licensing information. Trace from the highest-resolution source available, simplify paths only after checking counters and terminals, and test at small sizes because noisy scans produce bloated outlines and poor rendering. Manual spacing and kerning are usually required even when the tracing is accurate.
Install and test the TTF in the target operating systems and applications. Check missing characters, accented-glyph positioning, baseline alignment, kerning, print output, and screen rendering. Confirm that the scanned lettering and any source typeface may legally be converted, installed, embedded, and redistributed.
TIFF vs TTF: format comparison
How the TIFF and TTF formats compare on the properties that matter most for this conversion.
| Property | .TIFF Tagged Image File Format | .TTF TrueType Font |
|---|---|---|
| Open standard | Yes | Yes |
| Compression | Both | Uncompressed |
| Typical file size | Large | Small |
| Opens in a web browser | Partial | No |
| Further editing | Limited | Limited |
| Metadata support | Extensive | Basic |
| Plain-text readable | No | No |
| Best used for | Long-term archiving | Embedding in applications |
| Introduced | 1986 | 1991 |
| Developer | Aldus Corporation, later Adobe Systems | Apple Inc. (originally developed for Macintosh; later widely adopted by Microsoft and others) |
| MIME type | image/tiff | font/ttf |
Information about file extensions and file types is provided by File-Extensions.org
Suggested software and links: tiff to ttf converters
Frequently asked questions
Can I turn a TIFF scan of lettering into a TTF font?
Yes, but the lettering must be traced or converted into individual font glyphs and mapped to character codes; changing the extension alone will not work. The result is an installable TrueType font only after each character has been identified and assigned.
Will my scanned letters stay editable after converting TIFF to TTF?
The TIFF pixels are not preserved as a normal editable image; they are typically converted into vector outlines that define each glyph. Fine details may be simplified or changed during tracing, especially around rough edges and very small features.
What scan quality matters when making a TTF from TIFF lettering?
The source resolution, contrast, and cleanliness matter because low-resolution or blurry pixels produce uneven outlines. A higher-resolution scan with clear separation between characters gives the font-conversion process more usable shapes, but it does not automatically fix damaged or ambiguous letters.
Why are my letters missing or spaced incorrectly in the TTF font?
This usually happens when characters in the TIFF are not segmented or recognized correctly, or when their character codes and side bearings are assigned incorrectly. A scanned sheet of lettering has no built-in information about which glyph is which or how much space each character should occupy.