SimpleLocalize

What SimpleLocalize is
SimpleLocalize helps teams manage software translations and automate localization workflows. Its web editor provides customizable views, collaboration features, and word and character counters. Teams can use AI and machine auto-translation, no-code workflow automations, and translation hosting behind a CDN. Developer tools include a REST API and an open-source CLI for Windows, macOS, and Linux. The CLI supports more than 30 localization formats, including JSON, YAML, XLIFF, PO, ARB, Android XML, iOS Strings, CSV, and Excel. Listed integrations include GitHub, Figma, VS Code, IntelliJ, Shopify, Webflow, DeepL, and OpenAI. Users can import Excel or CSV data and export to Excel, CSV, or JSON. The Community plan costs nothing and includes 500 translation keys, unlimited strings, 10 projects, 10 languages, one team member, and a 90-day activity and history log. SimpleLocalize also lists a 14-day trial. Plans are subject to a Fair Use Policy; custom plans are available for large teams and enterprises.
Who it suits
It suits software teams that need translation editing, localization automation, developer tools, or translation delivery behind a CDN. The Community plan is sized for up to one team member, 10 projects, and 10 languages.
What it does well
- Open-source CLI runs on Windows, macOS, and Linux.
- CLI supports more than 30 localization formats.
- REST API and no-code workflow automations.
- Community plan costs nothing.
- 14-day trial is listed.
What to know first
- Community plan is limited to 500 translation keys.
- Community plan includes one team member.
- Plans are subject to a Fair Use Policy.
Limits
The free Community plan includes 500 translation keys, 10 projects, 10 languages, one team member, and a 90-day activity and history log. All plans are subject to a Fair Use Policy.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Community | free · 500 translation keys · unlimited strings · 10 projects · 10 languages · 1 team member · 90-day activity/history log | Free |
| Developer | monthly value on yearly billing · 1,000 translation keys · unlimited projects and languages · 5 team members · 2FA · 150k initial auto-translation characters · +50k/month | $12 a month |
| Team | monthly value on yearly billing · 4,000 translation keys · 25 team members · automations · audit logs · translation memory · +100k auto-translation characters/month | $35 a month |
| Business | monthly value on yearly billing · 12,000 translation keys · 100 team members · SAML SSO · up to 25 customer translations · +200k auto-translation characters/month | €99 a month |
As simplelocalize.io lists them, read 15 Oct 2026. The maker's own page has the final word.
Getting started
- Visit https://simplelocalize.io/.
- Use the web-based translation editor for project translation work.
- Choose a plan, or use the free Community plan; a 14-day trial is also available.
- For command-line workflows, use the open-source CLI on Windows, macOS, or Linux.
- Import Excel or CSV data, or work with a supported localization file format.
SimpleLocalize is a localization workspace for software teams that want translation editing, delivery automation, and developer access in one place. It is best suited to teams shipping multilingual applications across several file formats and services. The free Community tier is useful for small projects; growing organizations should first clarify custom pricing and the usage allowances on paid tiers.
Overview
SimpleLocalize combines a browser-based translation editor with translation memory, terminology management, workflow automation, and machine or AI translation. Customizable editor views, collaboration tools, and word and character counters help teams coordinate work without leaving the project. Translation hosting can put project languages behind a CDN, giving developers a delivery path for applications and websites.
Developer access is unusually broad. A REST API and open-source CLI support scripted workflows, while the CLI runs on Windows, macOS, and Linux. It handles more than 30 localization formats, including JSON, YAML, XLIFF, PO, ARB, Android XML, iOS Strings, CSV, and Excel. Excel and CSV imports, plus Excel, CSV, and JSON exports, also suit teams moving between spreadsheets and localization systems.
Connections include GitHub, Figma, VS Code, IntelliJ, Shopify, Webflow, DeepL, and OpenAI. The company says traffic is encrypted with HTTPS/TLS, production data is regularly backed up to a separate location with encrypted backups, and the service is developed and maintained in Europe under GDPR and other privacy regulations. Support is described as personal, with customers invited to contact the company.
Key features
Editing and automation
The web editor supports configurable views and collaboration, while counters make text volume visible during translation. Translation memory and terminology tools help maintain consistency. No-code automations and AI or machine translation can reduce repetitive tasks, but automated translation is governed by monthly character allowances on paid plans.
Developer workflow
The API and CLI let developers connect localization to existing processes instead of relying solely on manual uploads. Broad format coverage is a practical advantage for mixed technology stacks, and integrations with code editors, design tools, commerce platforms, and translation services widen the possible workflow.
Pricing
SimpleLocalize uses a freemium model with a free plan and a 14-day trial. Every plan is subject to a Fair Use Policy, and custom plans are available for large teams and enterprises.
| Plan | Price | Included limits |
|---|---|---|
| Community | free | 500 translation keys, unlimited strings, 10 projects, 10 languages, 1 team member, and a 90-day activity and history log |
| Developer | Custom pricing | 1,000 keys, unlimited strings, projects, and languages, 5 members, 150,000 initial auto-translation characters, 50,000 more monthly, and a 500,000-character rollover cap |
| Team | Custom pricing | 4,000 keys, unlimited strings, projects, and languages, 25 members, 300,000 initial characters, 100,000 monthly, and a 1,000,000-character rollover cap |
| Business | Custom pricing | 12,000 keys, unlimited strings, projects, and languages, 100 members, 500,000 initial characters, 200,000 monthly, a 2,000,000-character rollover cap, and up to 25 customer translations |
Community fits an individual or very small project, but its single-member, 10-project, and 500-key ceilings arrive quickly for a team. Developer removes project and language ceilings and adds five seats, making it the natural starting point for a small product group, although the price must be negotiated. Team is aimed at departments needing 25 seats and higher translation throughput. Business adds 100 seats and customer-translation support for larger organizations. The free tier has no stated expiry, while the separate trial lasts 14 days; paid-plan renewal terms are not published.
Platforms
SimpleLocalize is available through the web, API, Windows, macOS, and Linux. The CLI specifically runs on all three desktop operating systems, which suits distributed development teams.
Who it's for
Choose SimpleLocalize if your software team needs a central translation editor, repeatable automation, API or CLI integration, and CDN delivery. It is particularly suitable when projects use many localization formats or connect tools such as GitHub, Figma, Shopify, Webflow, DeepL, or OpenAI. The Community plan works for a solo maintainer with modest key and project counts. Teams that need predictable budgeting, more seats, or larger automated-translation volumes should request a custom quote before committing.
Pros and cons
Pros
- REST API and open-source CLI support integration and scripting.
- More than 30 file formats cover common web, mobile, and spreadsheet workflows.
- Translation memory, terminology management, automation, and hosted CDN delivery span the localization lifecycle.
- Community is free and includes unlimited strings within its 500-key limit.
- HTTPS/TLS encryption, encrypted backups, and GDPR-oriented European operation address baseline governance needs.
Cons
- Paid tiers use custom pricing, making comparison and budget planning harder.
- Community allows only one member, 10 projects, and 10 languages.
- Automated-translation capacity is capped by plan-specific character quotas and rollover limits.
- All plans remain subject to a Fair Use Policy.
Alternatives
Translation Management Software and Translation Software round up broader category choices.
- Localizely suits a small group wanting unlimited users and languages on a free plan, but limits its free tier to 250 hosted string keys and one project.
- OneSky is an option when AI-driven quality estimation or multi-agent translation is the priority.
- locize fits projects measured by hosted words, languages, namespaces, and CDN downloads, with a free tier for one user.
- Tolgee is an alternative for teams seeking a free 30,000-word allowance, three seats, and self-hosted availability.
- Weblate is better suited when self-hosting or a published 10,000-string cloud tier is important.
- i18nexus may fit very small budgets with a free 100-string plan and 30 members.
- TextUnited is aimed at self-service translation volumes and document-page allowances, including a free tier.
Verdict
SimpleLocalize is a strong choice for developers and localization teams that want editor, automation, API/CLI tooling, broad format support, and CDN-hosted translations together. Its principal drawback is commercial uncertainty: every paid tier has custom pricing, and free-plan limits are tight for collaborative teams. Pick it when the integrated workflow matters more than transparent price comparison; look elsewhere when you need published paid rates or a generous multi-user free tier.
Verdict
SimpleLocalize brings translation editing, automation, integrations, and developer tools into one localization workflow. The Community plan has defined project, language, key, and member limits; larger teams can contact the company about custom plans.
Questions
Does SimpleLocalize have a free plan?
Yes. The Community plan costs nothing and includes 500 translation keys, unlimited strings, 10 projects, 10 languages, one team member, and a 90-day activity and history log.
Is there a free trial?
Yes. SimpleLocalize lists a 14-day trial.
Which platforms does SimpleLocalize support?
Its listed platforms are API, Linux, macOS, web, and Windows. The CLI runs on Windows, macOS, and Linux.
What integrations are listed?
They include GitHub, Figma, VS Code, IntelliJ, Shopify, Webflow, DeepL, and OpenAI.
Who makes SimpleLocalize?
The site identifies Jakub Pomykała Software, registered in Poland, as the legal entity. The company describes the service as bootstrapped and self-funded and operated by a team of two.
Can large teams get a custom plan?
Yes. SimpleLocalize says custom plans are available for large teams and enterprises by contacting the company.
Facts from SimpleLocalize's own pages
- API
- The REST API provides CRUD operations for translation keys and translations plus import/export endpoints, uses an X-SimpleLocalize-Token API-key header, and is rate-limited. · simplelocalize.io, 15 Oct 2026
- API access
- Yes · simplelocalize.io, 21 Sept 2026
- API specification
- The API is described with an OpenAPI 3.x specification and has a Swagger UI for testing and client-library generation. · simplelocalize.io, 15 Oct 2026
- Automation and AI
- The product offers AI and machine auto-translation and no-code workflow automations. · simplelocalize.io, 11 Oct 2026
- Auto-translation
- Auto-translation can use DeepL, Google Translate, OpenAI, Anthropic, Gemini, OpenRouter, or a custom OpenAI-compatible provider. · simplelocalize.io, 15 Oct 2026
- CLI
- The CLI supports upload, download, extraction, auto-translation, publishing, pulling hosted translations, status, initialization, and purge commands for CI/CD workflows. · simplelocalize.io, 15 Oct 2026
- CLI licence
- The public SimpleLocalize CLI repository is marked MIT licensed, making that component open source even though the hosted platform is proprietary. · github.com, 15 Oct 2026
- CLI operating systems
- The CLI provides binaries for macOS Apple Silicon and Intel, Linux x86 and ARM64, and Windows x86, with an npm package also available. · simplelocalize.io, 15 Oct 2026
- Company
- The maker describes SimpleLocalize as bootstrapped and self-funded, operated by a team of two. · simplelocalize.io, 11 Oct 2026
- Company facts
- LinkedIn lists SimpleLocalize as privately held, founded in 2017, headquartered in Wrocław, and employing 2–10 people. · linkedin.com, 15 Oct 2026
- Company ownership
- SimpleLocalize says it is bootstrapped, self-funded, profitable, and operated without outside investors. · simplelocalize.io, 15 Oct 2026
- Company team
- The maker describes the operating team as two people. · simplelocalize.io, 15 Oct 2026
- Data migration
- Users can import Excel or CSV data and export to Excel, CSV, or JSON. · simplelocalize.io, 11 Oct 2026
- Developer tools
- SimpleLocalize offers a REST API and open-source CLI, and the CLI runs on Windows, macOS, and Linux. · simplelocalize.io, 11 Oct 2026
- Documentation
- The documentation is organized into general usage, translation editor, hosting, command-line, REST API, integrations, extensions, and file-format sections, with pages dated through 2026. · simplelocalize.io, 15 Oct 2026
- File formats
- The service supports more than 30 formats including JSON, YAML, XLIFF, Android XML, iOS Strings, ARB, Java Properties, PHP, PO/POT, CSV, and Excel. · simplelocalize.io, 15 Oct 2026
- Framework support
- Official guides cover React, Next.js, Vue, Angular, Flutter, i18next, FormatJS, Laravel, Android, iOS, macOS, Astro, and other localization stacks. · simplelocalize.io, 15 Oct 2026
- Free plan
- Yes · simplelocalize.io, 21 Sept 2026
- Integrations
- Listed integrations include GitHub, GitLab, Bitbucket, Figma, Shopify, Webflow, Slack, Discord, Microsoft Teams, Amazon S3, Azure Blob Storage, Google Cloud Storage, and Zapier. · simplelocalize.io, 15 Oct 2026
- Legal entity
- The site identifies the maker as Jakub Pomykała Software, registered in Poland. · simplelocalize.io, 11 Oct 2026
- Legal maker
- The website footer identifies the provider as Jakub Pomykała Software, registered in Poland. · simplelocalize.io, 15 Oct 2026
- Limit: interface polish
- A Capterra reviewer requested visual improvements such as wider columns and better project ordering. · capterra.com, 15 Oct 2026
- Limit: Linux compatibility
- The troubleshooting documentation notes that the native CLI binary can fail on older Linux distributions with insufficient GLIBC versions, requiring Java 11+ or an OS upgrade. · simplelocalize.eu, 15 Oct 2026
- Limit: refund and billing complaints
- Trustpilot reviews allege confusing yearly-pricing presentation and refusal to refund an accidental annual purchase; another reviewer objected that exporting after a trial required payment. · trustpilot.com, 15 Oct 2026
Where SimpleLocalize stands on Freedom251
- Translation apps#22 of 158
- Localization Management Software#10 of 63
- Translation Management Software#9 of 40
- Translation Software#48 of 156