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Prototypo

devvv.prototypo.io

From $8.25/mo Free plan WebWindowsmacOSLinuxBrowser extension
Visit devvv.prototypo.io
Spec score 8.1 #10 of 33 in Font Design Software

What it is

Prototypo is an online app for designing typefaces from four parametric starting points: Prototypo Fell, Prototypo Grotesk, Prototypo Elzevir, and Spectral. Its controls cover more than thirty characteristics, including thickness, aperture, and roundness, with separate adjustments for serif details. Users can change individual letters or groups of letters, then export fonts in OTF format for installation on macOS, Windows, or Linux, or display them in a browser. A Chrome extension previews font changes on websites, and fonts can be sent to Glyphr Studio for further editing. Prototypo supports the Latin Extended 3 glyph set, but has no cursive templates and does not let users import their own fonts to modify. The maker says exported fonts use a CC0 license, permitting commercial use without permission. The free plan has limited parameter range and one week of support; Pro is $8.25 per month and Team is $49.96 per month. The FAQ lists a free trial and requires an up-to-date Chrome, Firefox, or Opera browser.

Spec sheet

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

Plans and prices

Free Free Free forever! 1 user · One week support · Limited parameter range Read 8 Oct 2026 · devvv.prototypo.io
Pro $8.25 a month Monthly 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 Read 8 Oct 2026 · devvv.prototypo.io
Team $49.96 a month Monthly 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) Read 8 Oct 2026 · devvv.prototypo.io

Every Prototypo plan and price →

Strong points and limits

Strong points

  • Four parametric typefaces to start from
  • More than thirty font parameters
  • OTF export for three desktop systems
  • Chrome extension previews changes on websites
  • CC0 license allows commercial use

Limits

  • Cannot import fonts for modification
  • No cursive font templates
  • Free plan limits parameter range
  • Pro and Team prices are monthly

Who it suits

Prototypo suits designers who want to create and adjust typefaces from parametric templates, including people who need to edit glyphs or preview changes in a browser. Its free plan may suit a single user who can work within a limited parameter range.

Prototypo in depth

Read the full write-up

Prototypo is a browser-based typeface design app for designers shaping new fonts from adjustable templates. It is best for people who want to explore and refine a supplied design rather than draw a typeface from scratch. Its template-led approach makes it a focused font-making tool, not an editor for existing fonts.

Overview

Prototypo starts with four parametric typefaces—Fell, Grotesk, Elzevir and Spectral—and offers more than 30 controls, including thickness, aperture and roundness, with separate serif adjustments. That gives designers substantial room to develop a template’s character, while keeping the work within those four starting points. Users can edit individual letters or groups of letters; the FAQ also describes a manual editing tool.

Fonts export in OTF format and can be installed on macOS, Windows or Linux, or displayed in a browser. The maker says exported fonts use a CC0 license, allowing commercial use, modification, copying and distribution without permission. Prototypo cannot import a user’s existing fonts, and it does not offer cursive templates; those boundaries matter if the job is revision or a script face rather than creating from its templates.

Key features

Parametric design: The range of controls lets users make broad design changes without redrawing every glyph. The trade-off is dependence on coded templates, so it is not a blank-canvas editor.

Glyph refinement: Editing individual or grouped letters provides a way to address specific forms after adjusting the overall design. Manual editing and glyph individualization are included in Pro and Team, not the Free plan.

Web preview and handoff: A Chrome extension previews font changes live on websites, and fonts can be exported to Glyphr Studio for further editing. OTF export also makes the resulting typeface usable outside the app.

Character coverage: The FAQ identifies Latin Extended 3 support. There are no cursive templates, so users seeking that style should look elsewhere.

Pricing

Prototypo uses a freemium model with a free plan and a free trial. Free costs nothing, billed Free forever!, for one user. It includes one-week support and a limited parameter range. It is a way to explore the app, but the restricted controls and lack of the paid plans’ manual editing and glyph individualization limit its usefulness for finishing a typeface.

Pro costs $8.25 a month and covers one user, 48-hour support, full-range parameters, unlimited font exports, manual editing, glyph individualization and the web preview extension. The pricing page presents monthly and yearly billing options without tying this price to either option, so confirm the applicable billing term before subscribing. Pro is the relevant choice for an individual who needs the full controls and export workflow.

Team costs $49.96 a month and includes full-range parameters, unlimited exports, manual editing, glyph individualization and 24-hour support. The plan description also gives custom plan and pricing for larger teams. Its 24-hour support is the clearest distinction from Pro; the collaboration level is none, so the team price does not imply collaborative editing. Confirm which billing option applies to the displayed price.

Platforms

Prototypo is available on the web, with support for Windows, macOS and Linux font installation and a Chrome extension. The FAQ says the app requires an up-to-date Chrome, Firefox or Opera browser; Safari support was described as upcoming. The extension is specifically for Chrome, so it should not be assumed to work in the other supported browsers.

Who it's for

Prototypo suits designers who want to build a typeface by customizing a supplied design, tune broad letterform properties, and then correct individual glyphs. Pro is the more complete fit for an individual workflow; Free is better for trying the limited parameter range. It is not the right choice for importing an existing font, starting with wholly original outlines, or designing a cursive face.

Pros and cons

Pros: Four distinct starting templates and more than 30 controls offer room to shape a new typeface; individual and group glyph editing provides a refinement path; unlimited OTF exports on paid plans and the maker’s CC0 licensing allow practical use of finished fonts.

Cons: Users cannot import their own fonts, and all design begins with the supplied coded templates; no cursive templates are available; Free limits parameter range and support, while the product has no collaboration level.

Alternatives

For a broader comparison, browse Font Design Software. Choose FontBob if you want a font tool with Android and iOS support as well as desktop and web platforms; its free plan includes drawing, spacing, preview, OTF export, production-ready fonts and sharing.

FontMaker is another freemium option with Android and iOS support and no free trial. PixelForge is a free option for Linux and Windows. Calligraphr offers a free web and desktop plan with one concurrent font, 75 characters per font and two variants per character. Fontra is a free, libre, open-source browser-based option for cross-platform use, including self-hosting.

Counterpunch is a free font editor usable without registration, with a GPLv3-licensed editor. Birdfont is a free-plan option for Linux, macOS and Windows that includes TTF and monochrome SVG fonts, kerning, ligature substitutions, alternates and SVG import. FontForge is a free and open-source option for Linux, macOS and Windows.

Verdict

Choose Prototypo if you want to make a new typeface by extending one of its four templates and need detailed parameters, glyph refinement and OTF export. Its clearest advantage is the route from broad template adjustments to individual glyph edits; look elsewhere if you need to import an existing font, work collaboratively or create cursive type.

Verdict

Prototypo offers a defined set of typeface templates, detailed controls, and OTF export. Check the template and glyph limits, and note that the listed Pro and Team prices are $8.25 and $49.96 per month.

Where Specifiction places it

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