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Bitstream Charter
Bitstream Charter
Bitstream Charter
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Bitstream Charter
CategorySerif
ClassificationTransitional serif Slab-Serif
DesignerMatthew Carter
FoundryBitstream Inc.
Date created1987
LicensePermissive[1] for original version; proprietary for "Charter BT" version

Bitstream Charter is a serif typeface designed by Matthew Carter in 1987 for Bitstream Inc.[2] Charter is based on Pierre-Simon Fournier’s characters, originating from the 18th century.[3] Classified by Bitstream as a transitional-serif typeface (Bitstream Transitional 801), it also has features of a slab-serif typeface and is often classified as such.[4][5]

Charter was originally optimized for printing on the low-resolution 300 dpi laser printers of the 1980s, and remains suitable for printing on both modern high-resolution laser printers and inexpensive lower resolution inkjet printers due to its strong, legible design. Its structure was optimised for low-memory computers and printers. In a 2013 interview, Carter explained that it used "a very simplified structure and a minimum number of curves, more straight-line segments... very economical compared to, say, Times New Roman," but noted that rapid development of printers made this unnecessary even before he had finished the design.[6] In its simplification of serif forms, it foreshadowed Carter's later landmark design, Georgia for Microsoft.

In 1992 Bitstream donated a version of Charter, along with its version of Courier, to the X Consortium under terms that allowed the font to be modified and redistributed. This has resulted in open source derivatives of Bitstream Charter, including Charis SIL.[7] Typographer Matthew Butterick considers Bitstream Charter to be one of the best free fonts available.[8]

Because of its popularity, a new Charter Pro release of the typeface was released in 2004, with an expanded character set including additional symbols, ranging figures (old-style) and small capitals.[9] This version was later added as a system font on OS X 10.13 High Sierra.

Carter was later asked by Monotype to consider releasing a sans-serif companion to Charter. Finding his attempts unsatisfying, he scrapped the idea for a more radical, less directly complementary design, Carter Sans.

History

[edit]

Charter is based on the characters[3] of Pierre-Simon Fournier, a French 18th century punch-cutter, typefounder and typographic theoretician who invented the “point system”, a standardized measurement system for font sizes.

Type sample (Pierre Simon Fournier, Manuel Typographique, 1766)
Type sample (Pierre Simon Fournier, Manuel Typographique, 1766)

References

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Bitstream Charter

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from Grokipedia
Bitstream Charter is a serif typeface designed by Matthew Carter in 1987 for Bitstream Inc., specifically created as a body text font to perform well on low-resolution output devices such as the 300 dpi laser printers common at the time. Its design draws inspiration from the 18th-century types of French punchcutter Pierre-Simon Fournier, incorporating clear, plain forms with a transitional style that includes subtle slab-serif elements for enhanced legibility in both print and digital media. In 1992, Bitstream donated a version of Charter—along with its Courier font—to the X Consortium under a permissive license similar to the MIT/X11 terms, allowing free modification, redistribution, and use, which transformed it into a widely available open-source resource. Originally developed as Bitstream's first proprietary , Charter was intended to bridge the gap between traditional and the demands of emerging technologies, featuring robust letterforms that maintain even when rendered at lower qualities. The font family includes regular, italic, bold, and bold italic weights, supporting the Latin-1 character set and proving suitable for applications ranging from book publishing to . Its donation facilitated integration into open systems like and distributions, where it remains a popular choice for high-quality due to its balance of elegance and practicality. Over time, commercial variants such as Charter BT Pro emerged, offering expanded features like additional weights and support, while the original donated version continues to be bundled in operating systems and freely distributed and used under the permissive , including for commercial purposes (provided the trademark is not misused). Charter's enduring appeal lies in its versatility, making it a staple for digital documents, web content, and print media where clarity under varied resolutions is essential.

History

Development

In 1987, Bitstream Inc., the pioneering American independent digital typefoundry founded in 1981 in , commissioned typeface designer to create its first original in-house typeface, known as Bitstream Charter. This project marked a significant step for Bitstream, which had initially focused on digitizing and licensing existing typefaces to build a comprehensive digital type library amid the industry's shift from metal type to computer-based systems in the . The primary motivation behind Charter's development was to produce a optimized for the emerging of 300 dpi printers and other low-memory digital systems prevalent at the time, which often struggled with the data demands of traditional designs. typefaces like those based on 18th-century models typically required twice as much storage data as sans-serifs due to their intricate curves and numerous outline points, posing challenges for efficient digital rendering and . Carter addressed these limitations by simplifying the letterforms, incorporating more straight-line segments and reducing curve complexity to minimize data usage while maintaining legibility. Charter's initial design goals emphasized economical space utilization and enhanced at small sizes under low-resolution conditions, such as those encountered on early printers and machines. This approach ensured the could perform reliably in resource-constrained environments without sacrificing the sturdy, unadorned aesthetic suitable for body text. By prioritizing these technical imperatives, represented Bitstream's strategic push to innovate for the retail digital type market.

Release and Open-Sourcing

Bitstream Charter was initially released in 1987 by Bitstream Inc. as a proprietary typeface available for licensing to designers and publishers seeking a reliable option for low-resolution printing devices. Designed specifically to perform well in rasterized output, it marked Bitstream's first original font offering, distributed through their commercial catalog for professional use. In 1992, donated a version of —along with their rendition of —to the , granting permissions for free modification and redistribution under liberal terms that preserved the original . This contribution provided outlines of the core family (Regular, Bold, Italic, and Bold Italic), enabling developers to integrate and adapt the font without licensing fees. The donation represented a pivotal shift, transforming from an exclusively commercial product into an accessible resource for open-source projects and systems, fostering its adoption in early graphical interfaces and software environments. One year later, in 1993, sold the rights to 's designs to the (ITC), which began marketing it as ITC Charter for broader commercial applications. Despite this transfer, retained the ability to sell and distribute their original version independently, maintaining dual commercial availability for the typeface.

Design Characteristics

Influences and Style

Bitstream Charter draws its primary inspiration from the 18th-century roman types designed by the French punchcutter Pierre-Simon Fournier, whose work bridged earlier old-style serifs with emerging modern forms. Fournier's characters, known for their balanced proportions and refined elegance, provided the foundational model for Charter's letterforms, allowing the typeface to evoke classical rooted in Enlightenment-era . Classified as a transitional typeface, Charter incorporates subtle slab-like terminals that add robustness without overwhelming its historical grace, distinguishing it from purely traditional serifs. These features manifest in wedge-shaped serifs and faceted shapes, where non-essential curves are replaced by straight lines to enhance clarity and structural integrity. Designed specifically for the constraints of early , Charter modernizes Fournier's aesthetic by prioritizing efficiency and legibility on low-resolution devices like laser printers, simplifying forms to reduce data demands while maintaining a sense of timeless poise. This approach results in a crisper, more angular profile compared to ornate traditional faces such as , favoring functional economy over decorative flourish.

Key Features

Bitstream Charter features simplified glyph structures characterized by sturdy, open letterforms and minimal curves, which enhance and reduce rendering issues on low-resolution devices such as early printers and screens. This design approach ensures reliable reproduction across varying output qualities, making it particularly suitable for body text in digital environments. The employs economical proportions with a compact set width that is narrower than traditional s like , allowing more text per line while maintaining readability. Complementing this is a generous , which contributes to clarity at small sizes without compromising the overall aesthetic. As a design, Charter incorporates subtle slab-like elements, including angular terminals, providing stability and crispness especially at reduced scales. These features, combined with even stroke weights, promote a balanced and versatile appearance optimized for extended reading. The original release supports the Latin-1 character set, focusing on Western European languages and prioritizing functionality for body text applications.

Variants and Distributions

Commercial Versions

Following the original 1987 release of Charter, developed proprietary enhancements to expand its commercial viability for professional and . In 2004, introduced Charter BT Pro, an upgraded version that incorporated small capitals, old-style (ranging) figures, tabular figures, and full support for Central European languages, building on the typeface's economical design for low-resolution output. Charter BT Pro extended the original four weights—Regular, Bold, Italic, and Bold Italic—with additional options including Black and Black Italic, along with expert sets featuring ligatures and alternates for advanced typographic applications. This version was packaged as a six-font family optimized for , allowing users to achieve more nuanced hierarchy and readability in print media. In 1993, licensed the Charter design to the (ITC), resulting in ITC Charter, a iteration tailored for commercial printing with similar expansions including small capitals and alternate typographer sets for books and technical manuals. ITC Charter maintains six styles and supports Western, Central, and Eastern European languages, distinguishing it from Bitstream's retained original rights while emphasizing versatility in professional environments. Both BT Pro and ITC Charter are licensed commercially through font vendors such as MyFonts, with pricing structured for individual styles or complete families to facilitate use in and high-quality print production. These versions prioritize paid access for enhanced features, separate from any free distributions.

Open-Source and System Integrations

In 1992, donated a version of , along with its Courier font, to the X Consortium under terms permitting modification and redistribution, which facilitated its integration into X11 font sets widely used in Unix and systems. This open-source contribution made the font accessible for free in various open operating environments, supporting text rendering in graphical user interfaces and applications on these platforms. A notable derivative is Charis SIL, developed by SIL International as an extended open-source font family based on Charter, optimized for linguistic and multilingual applications with support for Latin and Cyrillic scripts, as well as a broad range of diacritics and phonetic characters. Released under the SIL Open Font License, Charis SIL expands Charter's character set to over 3,800 glyphs as of version 7.000 (June 2025), enabling its use in documentation for minority languages and scholarly works. Another extension is XCharter, an open-source font package for and that builds on the donated Charter version by adding small capitals, old-style figures, superior figures, and mathematical symbols across all styles. Developed by Will Robertson and others, it provides enhanced typographic features for academic and technical document preparation, with version 1.26 released in June 2024 and available via the Comprehensive TeX Archive Network (CTAN). Apple incorporated as a default system font in macOS 10.13 High Sierra, released in 2017, to enhance text rendering quality in applications and interfaces, leveraging its clarity designed originally for . The font remains available in subsequent macOS versions, bundled in the Supplemental fonts collection for system-wide use. Charter is also freely downloadable through the Comprehensive TeX Archive Network (CTAN) as the "charter" package, providing Type 1 compatible with and for high-quality typesetting in academic papers, theses, and open-source publishing projects. This distribution supports its adoption in document preparation tools, where it serves as a reliable option for body text in technical and scientific literature.

Usage and Reception

Applications

Bitstream Charter has been widely employed as body text in applications, including books and newspapers, owing to its high legibility across low- to high-resolution outputs such as 300 dpi printers and modern imagesetters. Its design maintains clarity when scaled, making it suitable for extended reading in printed media where consistent stroke weight is essential. In digital contexts, Charter is commonly integrated into TeX/LaTeX documents for academic papers, where it supports mathematical typesetting through packages like mathdesign and is included in distributions such as . It also serves as body text on websites, valued for its readability on screens due to optimized proportions for pixel-based rendering. For example, it has been used in open-source projects like as an optional font for document rendering. Notable implementations include its bundling in macOS as a system font, available in variants like Roman, Italic, Bold, Bold Italic, , and Black Italic since early versions and continuing through macOS Tahoe (as of 2025). It has been used in and is available in Linux distributions like via X11. The adapts well to mobile devices and e-book reading, with variants optimized for e-ink screens that leverage its efficient spacing and high contrast for prolonged digital consumption.

Critical Acclaim

Typographer has praised as "easily one of the best free fonts available," emphasizing its exceptional quality and versatility for body text applications, particularly in low-resolution contexts. The was specifically engineered to endure the technical constraints of output devices, such as 300 dpi printers, ensuring under demanding conditions. Bitstream Charter shares design traits with Matthew Carter's subsequent typeface Georgia, released in 1993, including robust serifs tailored for effective screen rendering and low-resolution environments. This connection underscores Charter's role in advancing screen-optimized typography during Carter's career. The open-sourcing of Bitstream Charter by to the X Consortium in 1992 marked a pivotal contribution to democratizing access to professional-quality typefaces, enabling widespread adoption in and shaping standards for digital typography. As one of the earliest high-caliber open fonts, it has influenced the development of subsequent free alternatives and remains integrated into systems like recent macOS versions.

References

  1. https://practicaltypography.com/charter.html
  2. https://www.myfonts.com/pages/linotype-bitstream-foundry/
  3. https://fontstand.com/news/font-reviews/ps-fournier/
  4. https://luc.devroye.org/fonts-36225.html
  5. https://fontsinuse.com/typefaces/245/charter
  6. https://ecsoft2.org/font-bitstream-charter
  7. https://ctan.org/tex-archive/fonts/charter
  8. https://matplotlib.org/stable/project/license.html
  9. https://www.eyemagazine.com/feature/article/reputations-matthew-carter
  10. https://www.myfonts.com/pages/newsletters-cc-201310
  11. https://abc2.typographie.org/modern/charter.html
  12. https://samiam.org/blog/2014-07-04.html
  13. https://www.myfonts.com/collections/charter-font-itc/
  14. https://journal.sciencemuseum.ac.uk/article/choice-of-a-typeface/
  15. https://fontesk.com/charter-typeface/
  16. https://www.myfonts.com/collections/charter-font-bitstream/
  17. https://www.myfonts.com/collections/charter-font-bitstream
  18. https://www.myfonts.com/pages/newsletters-iyf-200409
  19. https://www.mactech.com/2004/07/21/bitstream-releases-opentype-pro-pack/
  20. https://software.sil.org/charis/
  21. https://ctan.org/pkg/xcharter
  22. https://eclecticlight.co/2018/03/30/whats-in-the-high-sierra-10-13-4-update/
  23. https://discussions.apple.com/thread/8235657
  24. https://support.apple.com/en-us/122869
  25. https://ctan.org/pkg/charter
  26. https://www.tug.org/FontCatalogue/charterbt/
  27. http://dansator.blogspot.com/2020/02/typeface-bitstream-charter.html
  28. https://tug.org/FontCatalogue/charterbt/
  29. https://github.com/chawyehsu/charter-webfont
  30. https://ask.libreoffice.org/t/why-not-bitstream-charter-as-a-bundled-font-and-default-font/8951
  31. https://kaspars.net/blog/bitstream-charter-typeface
  32. https://www.mobileread.com/forums/showthread.php?t=260978
  33. https://pimpmytype.com/font/charter/
  34. https://www.wired.com/story/open-source-fonts-love-letters-design-community/
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