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Prototypo

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What Prototypo is

Prototypo is an online app for designing custom typefaces. It starts with four parametric typefaces: Prototypo Fell, Prototypo Grotesk, Prototypo Elzevir, and Spectral. Designers can adjust more than thirty font parameters, including thickness, aperture, and roundness, with separate controls for serif details. They can also edit individual letters or groups of letters using manual editing tools.

Finished fonts export in OTF format and can be installed on macOS, Windows, or Linux, or displayed in a browser. A Chrome extension previews font changes live on websites, and fonts can be exported directly to Glyphr Studio for further editing. Prototypo supports the Latin Extended 3 glyph set; it does not offer cursive font templates, and users cannot import their own fonts to modify them. Exported fonts use a CC0 license, which permits copying, modification, distribution, and commercial use without permission.

Prototypo has a free plan and a free trial. The Free plan is for one user, limits the parameter range, and includes one week of support. Paid plans include Pro at $8.25 per month and Team at $49.96 per month; both list full-range parameters, unlimited font exports, manual editing, and glyph individualization. The listed platform options include web, Windows, macOS, Linux, and a Chrome extension. The app requires an up-to-date Chrome, Firefox, or Opera browser.

Who it suits

Prototypo suits designers who want to build a typeface from parametric templates and refine its letters individually. It also fits people who need OTF exports, browser previews, or a CC0 license for their exported fonts.

What it does well

  • Starts with four parametric typefaces.
  • Offers more than thirty font parameters.
  • Exports fonts in OTF format.
  • Chrome extension previews changes live on websites.
  • CC0 license permits commercial use without permission.

What to know first

  • Free plan limits the parameter range.
  • Users cannot import their own fonts to modify.
  • Cursive font templates are unavailable.
  • Free plan includes one week of support.

Limits

The Free plan is limited to one user, a limited parameter range, and one week of support. Pro is listed at $8.25 per month and Team at $49.96 per month; both list full-range parameters and unlimited font exports.

Plans

PlanBilled and limitsPrice
FreeFree forever! · 1 user · One week support · Limited parameter rangeFree
TeamMonthly billing and yearly billing options are shown; the page does not label which price corresponds to each option. · Custom plan and pricing for larger teams · 24h support · Full-range parameters · Unlimited font exports · Manual editing · Glyph individualization · Web preview extension · Kickoff course · Team management and user roles · Collaborative tools (coming soon)$49.96 a month
ProMonthly billing and yearly billing options are shown; the page does not label which price corresponds to each option. · 1 user · 48h support · Full-range parameters · Unlimited font exports · Manual editing · Glyph individualization · Web preview extension$8.25 a month

As devvv.prototypo.io lists them, read 8 Oct 2026. The maker's own page has the final word.

Getting started

  1. Open the Prototypo website.
  2. Use an up-to-date Chrome, Firefox, or Opera browser.
  3. Choose the free plan or a paid plan; a free trial is available.
  4. Start with one of the four parametric typefaces.
  5. Adjust font parameters or edit individual letters and groups.
  6. Export the finished font in OTF format.

Prototypo is an online font-design app for shaping typefaces from adjustable templates. It is best suited to designers who want to explore and refine a new font rather than edit an existing one. Its controls and OTF export make that workflow focused, but the fixed templates impose clear creative limits.

Overview

Users start with four parametric designs: Prototypo Fell, Prototypo Grotesk, Prototypo Elzevir and Spectral. More than 30 parameters—including thickness, aperture and roundness, with separate serif adjustments—let designers alter a template’s character. That offers a useful middle ground between accepting a preset and drawing every letter from scratch, but it is not a blank-canvas type editor.

Prototypo cannot import existing fonts for modification: its letterforms are generated from coded templates and algorithms. It also has no cursive templates. Those constraints matter more than the number of controls for anyone whose work depends on revising a particular font or designing script lettering.

Key features

  • Typeface controls: Adjust broad design parameters, including dedicated serif settings. This is the core strength for designers who want to produce variations from one of the supplied foundations.
  • Glyph editing: Modify individual letters or groups, with manual editing also described. Pro and Team include manual editing and glyph individualization, making them better suited to correcting specific characters than Free.
  • Export and preview: Export OTF files for installation on macOS, Windows or Linux, or display fonts in a browser. A Chrome extension previews changes live on websites, which is useful for judging a design in context.
  • Further editing: Fonts can be exported directly to Glyphr Studio, providing a route for continued work in that app.
  • Glyph coverage: Prototypo supports the Latin Extended 3 glyph set. That gives it reach beyond basic Latin characters, though it does not remove the restriction to its supplied template styles.
  • Font rights: The maker says exported fonts use a CC0 license, allowing copying, modification, distribution and commercial use without permission. That is a substantial advantage when the finished typeface is intended for broad use.

Pricing

Prototypo is freemium, with a free plan and a free trial. The free plan costs nothing, forever, and allows one user. It has a limited parameter range and one week of support. It is a sensible way to explore the workflow, but the restricted controls and lack of the listed Pro editing tools make it less suitable for finishing a font.

Pro costs $8.25 a month and is for one user. Monthly and yearly billing options are shown, but the price is not tied to either option. It adds full-range parameters, unlimited font exports, manual editing, glyph individualization, the web preview extension and 48-hour support. For an individual designer who expects to export and refine fonts regularly, those additions address the main limits of Free.

Team costs $49.96 a month and includes full-range parameters, unlimited exports, manual editing, glyph individualization and 24-hour support. Larger teams have custom plans and custom pricing. The listed Team plan is a better fit when faster support matters, but collaboration is not a stated product capability; teams should not assume shared editing or seats beyond the plan’s described terms.

Platforms

Prototypo is available on the web, Windows, macOS and Linux, with a Chrome extension for live website previews. The app requires an up-to-date Chrome, Firefox or Opera browser; Safari support was described as upcoming. The extension’s Chrome requirement makes it most useful to users already working in that browser.

Who it's for

Prototypo suits designers who want to develop a new typeface by adjusting a provided design, then fine-tune glyphs and export an OTF. The CC0 terms also suit projects that need permissive reuse of the resulting font. It is a poor match for editing an imported typeface, starting from wholly original outlines, or making cursive fonts.

Pros and cons

Pros

  • Many adjustable parameters: More than 30 controls and separate serif adjustments allow meaningful variation within the template-based workflow.
  • Useful output options: OTF export, browser display and a Chrome preview extension help carry a design into practical use and review.
  • Permissive font rights: CC0 exports can be used commercially and redistributed without asking permission.
  • Glyph-level refinement: Pro and Team include manual editing and individual glyph controls for character-specific corrections.

Cons

  • No font import: Existing fonts cannot be brought in for modification, excluding a common revision workflow.
  • Four starting designs: Customization remains anchored to the supplied templates, so it is not the right choice for unrestricted outline creation.
  • No cursive templates: Script typeface work needs another tool.
  • Free is constrained: Its limited parameter range and one-week support make it more appropriate for exploration than full production.

Alternatives

Compare font design software if Prototypo’s template-based approach does not match the way you want to build type.

  • FontBob is worth considering for a free workflow that includes drawing, spacing, preview and OTF export; its Pro plan is $7 a month.
  • FontMaker is another freemium option, with no free trial and a free plan limited to 26 characters (a-z or A-Z).
  • Counterpunch is a free alternative for those who prefer an editor licensed under GPLv3 and usable without registration.
  • Fontra is a free, libre, open-source, browser-based and cross-platform alternative.
  • Runebender is free and open source, but its software is alpha, with a native editor and experimental browser build.
  • Birdfont offers a free open-source option with TTF and monochrome SVG fonts, kerning, ligature substitutions, alternates and SVG import.
  • Calligraphr has a free plan with unlimited fonts but only one concurrent font, 75 characters per font and two variants per character; it has no ligatures.
  • FontForge is a free, open-source choice for those who want source-code access and redistribution rights.

Verdict

Choose Prototypo if you want to customize one of its four templates, refine glyphs and export an OTF font with CC0 rights. The breadth of its controls and permissive output make it a practical focused choice for that job. Look elsewhere if you need to import and revise an existing typeface, build from unrestricted outlines or create cursive lettering.

Verdict

Choose Prototypo if you want to customize a typeface from its templates, edit glyphs, and export OTF fonts under a CC0 license. Look elsewhere if you need to import an existing font for modification or work from cursive templates.

Questions

Is Prototypo free?

Yes. Its Free plan is listed as free forever for one user, with a limited parameter range and one week of support. A free trial is also available.

How much do the paid plans cost?

Pro is listed at $8.25 per month and Team at $49.96 per month. Monthly and yearly billing options are shown, but the listed prices are not matched to a specific billing option.

Which platforms does Prototypo support?

The listed platforms are web, Windows, macOS, Linux, and a Chrome extension. The app requires an up-to-date version of Chrome, Firefox, or Opera.

Can I modify a font I already own?

No. Users cannot import their own fonts for modification because Prototypo uses coded letter templates and algorithms.

Can exported fonts be used commercially?

Yes. The maker says exported fonts use a CC0 license, which allows commercial use without permission.

What support comes with the plans?

The Free plan includes one week of support, Pro lists 48-hour support, and Team lists 24-hour support.

Facts from Prototypo's own pages

Browser requirement
The FAQ says the app requires an up-to-date version of Chrome, Firefox, or Opera; Safari support was described as upcoming. · devvv.prototypo.io, 8 Oct 2026
Company origin
The maker's press page says Prototypo was created in May 2013 in Lyon, France. · devvv.prototypo.io, 8 Oct 2026
Export and compatibility
Fonts export in OTF format and can be installed on macOS, Windows, and Linux or displayed in a browser. · devvv.prototypo.io, 8 Oct 2026
Extension
A Chrome extension lets users preview font changes live on any website. · devvv.prototypo.io, 8 Oct 2026
Font controls
The app offers more than thirty parameters, including thickness, aperture, and roundness, with separate serif adjustments. · devvv.prototypo.io, 8 Oct 2026
Font ownership
The maker says exported fonts use a CC0 license, allowing copying, modification, distribution, and commercial use without permission. · devvv.prototypo.io, 8 Oct 2026
Founded
2009 · devvv.prototypo.io, 28 Sept 2026
Glyph editing
Users can individually modify letters or groups of letters, and the FAQ also describes a manual editing tool. · devvv.prototypo.io, 8 Oct 2026
Import limit
Users cannot import their own fonts to modify them because Prototypo uses coded letter templates and algorithms. · devvv.prototypo.io, 8 Oct 2026
Integration
Prototypo can export fonts directly to Glyphr Studio for further editing. · devvv.prototypo.io, 8 Oct 2026
Parametric fonts
Users can start with four parametric typefaces: Prototypo Fell, Prototypo Grotesk, Prototypo Elzevir, and Spectral. · devvv.prototypo.io, 8 Oct 2026
Product
Prototypo is an online app that lets designers customize their own typeface. · devvv.prototypo.io, 8 Oct 2026
Security and data
The terms say the payment provider retains card details and Prototypo does not keep bank details; the linked privacy policy could not be opened. · devvv.prototypo.io, 8 Oct 2026
Support
The FAQ says users may contact the team regardless of subscription, and company plan subscribers receive 24-hour premium support. · devvv.prototypo.io, 8 Oct 2026
Supported glyphs
The FAQ says Prototypo supports the Latin Extended 3 glyph set and does not currently offer cursive font templates. · devvv.prototypo.io, 8 Oct 2026

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