Font Converter

Font Preview Generator

Visualize and test your fonts with various styles and settings

Live PreviewCustomizableSample Texts

Drop font files

or click to browse

Settings

Preview

The quick brown fox jumps over the lazy dog

Size Waterfall

The quick brown fox jumps over the lazy dog
The quick brown fox jumps over the lazy dog
The quick brown fox jumps over the lazy dog
The quick brown fox jumps over the lazy dog
The quick brown fox jumps over the lazy dog
The quick brown fox jumps over the lazy dog
The quick brown fox jumps over the lazy dog
The quick brown fox jumps over the lazy dog

Developer & Verifier

Marcus Rodriguez

Developed by

Marcus Rodriguez

Lead Developer

Sarah Mitchell

Verified by

Sarah Mitchell

Product Designer, Font Specialist

What is Font Preview Generation?

Font preview generation renders specimen sheets that display a typeface at multiple sizes, weights, and styles, enabling visual evaluation before committing to implementation in production CSS. 88% of websites use custom fonts (HTTP Archive 2025), and choosing the right typeface requires visual comparison at multiple sizes and weights before adding font loading overhead.

Google Fonts offers 1,900+ font families across 50 million+ websites — previewing before implementation prevents unnecessary HTTP requests and layout shifts. Previewing variable fonts reveals the full range of weight, width, and slant variations available from a single file, replacing the need for multiple static font files.

Font analysis reveals technical metadata like glyph count and OpenType features, but visual preview confirms rendering quality across different formats. Testing fonts with real content rather than generic pangrams provides accurate assessment of readability, kerning, x-height proportions, and character distinctiveness at both display and body text sizes.

Upload a font in WOFF2, WOFF, TTF, or OTF format to render it instantly using the browser FontFace API. Adjust size (14–64px), weight (Thin 100 through Black 900), style (normal or italic), line height, letter spacing, and background color in real time. The size waterfall display renders your font at incremental sizes from 12px to 64px, revealing how the typeface performs across body text and display contexts. Seven preset sample texts include pangrams, uppercase alphabets, numerals, and ligature test strings.

How to Use This Generator

1

Upload Font File

Drag and drop or click to upload a font in TTF, OTF, WOFF, or WOFF2 format.

2

Enter Preview Text

Type custom preview text or use default pangrams, alphabets, and specimen phrases.

3

Customize Style

Adjust font size, weight, color, letter spacing, and line height to test different configurations.

4

Compare & Export

Compare on light and dark backgrounds, export screenshots or share preview links.

Features

Custom Text Input
Multiple Size Preview
Color Customization
Background Options
Waterfall Display
Character Set View
Export Preview
Font File Upload

Common Font Preview Texts

TextTypePurpose
The quick brown fox jumps over the lazy dogPangramShows all 26 lowercase letters
ABCDEFGHIJKLMNOPQRSTUVWXYZAlphabetUppercase character review
HamburgefonstivType SampleClassic typographer test word
0123456789NumeralsNumber rendering comparison
fi fl ff ffi fflLigaturesOpenType ligature testing
Lorem ipsum dolor sit amet...Body TextParagraph readability test

Frequently Asked Questions

What is a font specimen?
A font specimen is a visual demonstration of a typeface showing how it looks at various sizes, weights, and styles. It typically includes sample paragraphs, character sets, and size comparisons to evaluate the font's suitability for a project.
How do I preview web fonts before using them?
Upload your font file (TTF, OTF, WOFF, WOFF2) to this tool and customize the preview text, size, color, line-height, and letter-spacing. The waterfall display shows the font at multiple sizes simultaneously.
What are common font preview texts?
Pangrams like "The quick brown fox jumps over the lazy dog" show all 26 letters. "Hamburgefonstiv" is a classic typographer's test word. Lorem ipsum text previews paragraph readability. Custom text lets you test real content.
How do I test font pairing?
Upload two font files and preview them together with heading and body text combinations. Good pairings contrast serif with sans-serif, or combine fonts with similar x-heights but different personalities.
What sizes should I preview?
Preview at your intended use sizes: 14-16px for body text, 20-32px for subheadings, 36-72px for headlines. The waterfall display automatically shows a range from small to large to help identify the best size.
Can I upload custom fonts for preview?
Yes! Upload any TTF, OTF, WOFF, or WOFF2 font file. The font is loaded locally in your browser for instant preview. No fonts are uploaded to any server.

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