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SimpleLocalize

simplelocalize.io

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Spec score 8.9 #9 of 156 in Translation Software

What it is

SimpleLocalize helps teams manage software translations and automate localization workflows. Its web translation editor offers customizable views, collaboration features, and word and character counters. Teams can use AI and machine auto-translation, no-code workflow automations, and host project translations behind a CDN. Developer tools include a REST API and an open-source CLI for Windows, macOS, and Linux. The CLI handles more than 30 localization file 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 free 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. A 14-day trial is listed. All plans are subject to a Fair Use Policy, and custom plans are available for large teams and enterprises. The maker says data is encrypted in transit and production data is regularly backed up with encrypted backups.

Spec sheet

What it does
SimpleLocalize is a cloud translation-management platform for synchronizing, editing, translating, hosting, and delivering localization files for software, websites, and apps.Read 15 Oct 2026 · simplelocalize.io
Purpose
SimpleLocalize is a platform for managing software translations and automating localization workflows.Read 11 Oct 2026 · simplelocalize.io
Free plan
YesRead 21 Sep 2026 · simplelocalize.io
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.Read 15 Oct 2026 · simplelocalize.io
Integrations
Listed integrations include GitHub, GitLab, Bitbucket, Figma, Shopify, Webflow, Slack, Discord, Microsoft Teams, Amazon S3, Azure Blob Storage, Google Cloud Storage, and Zapier.Read 15 Oct 2026 · simplelocalize.io
Security
The maker says data is encrypted in transit with HTTPS/TLS and production data is regularly backed up to a separate location with encrypted backups.Read 11 Oct 2026 · simplelocalize.io
Support
Documented support channels include email, community Discord, FAQs/knowledge base, chat, GitHub issues, YouTube tutorials, and feature requests.Read 15 Oct 2026 · simplelocalize.io
Company
The maker describes SimpleLocalize as bootstrapped and self-funded, operated by a team of two.Read 11 Oct 2026 · simplelocalize.io
API access
YesRead 21 Sep 2026 · simplelocalize.io
API specification
The API is described with an OpenAPI 3.x specification and has a Swagger UI for testing and client-library generation.Read 15 Oct 2026 · simplelocalize.io
Auto-translation
Auto-translation can use DeepL, Google Translate, OpenAI, Anthropic, Gemini, OpenRouter, or a custom OpenAI-compatible provider.Read 15 Oct 2026 · simplelocalize.io
Automation and AI
The product offers AI and machine auto-translation and no-code workflow automations.Read 11 Oct 2026 · simplelocalize.io
CLI
The CLI supports upload, download, extraction, auto-translation, publishing, pulling hosted translations, status, initialization, and purge commands for CI/CD workflows.Read 15 Oct 2026 · simplelocalize.io
CLI licence
The public SimpleLocalize CLI repository is marked MIT licensed, making that component open source even though the hosted platform is proprietary.Read 15 Oct 2026 · github.com
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.Read 15 Oct 2026 · simplelocalize.io
Company facts
LinkedIn lists SimpleLocalize as privately held, founded in 2017, headquartered in Wrocław, and employing 2–10 people.Read 15 Oct 2026 · linkedin.com
Company ownership
SimpleLocalize says it is bootstrapped, self-funded, profitable, and operated without outside investors.Read 15 Oct 2026 · simplelocalize.io
Company team
The maker describes the operating team as two people.Read 15 Oct 2026 · simplelocalize.io
Data migration
Users can import Excel or CSV data and export to Excel, CSV, or JSON.Read 11 Oct 2026 · simplelocalize.io
Developer tools
SimpleLocalize offers a REST API and open-source CLI, and the CLI runs on Windows, macOS, and Linux.Read 11 Oct 2026 · simplelocalize.io
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.Read 15 Oct 2026 · simplelocalize.io
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.Read 15 Oct 2026 · simplelocalize.io
Framework support
Official guides cover React, Next.js, Vue, Angular, Flutter, i18next, FormatJS, Laravel, Android, iOS, macOS, Astro, and other localization stacks.Read 15 Oct 2026 · simplelocalize.io
Legal entity
The site identifies the maker as Jakub Pomykała Software, registered in Poland.Read 11 Oct 2026 · simplelocalize.io
Legal maker
The website footer identifies the provider as Jakub Pomykała Software, registered in Poland.Read 15 Oct 2026 · simplelocalize.io
Limit: interface polish
A Capterra reviewer requested visual improvements such as wider columns and better project ordering.Read 15 Oct 2026 · capterra.com
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.Read 15 Oct 2026 · simplelocalize.eu
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.Read 15 Oct 2026 · trustpilot.com
Notable news
The September 22, 2026 changelog entry announced CLI 2.12 with Linux ARM64 support and a sudo-free installation script.Read 15 Oct 2026 · simplelocalize.io
Plan limits
All plans are subject to a Fair Use Policy, and custom plans are available for large teams and enterprises by contacting the company.Read 11 Oct 2026 · simplelocalize.io
Praise: usability and value
Independent Capterra, GetApp, Software Advice, and Trustpilot reviewers repeatedly praise the intuitive interface, easy translation workflow, helpful support, and reasonable pricing.Read 15 Oct 2026 · getapp.com
Privacy and compliance
The company states that it is GDPR compliant, processes primary data in the European Union, offers DPAs, and supports SAML2/OIDC SSO and two-factor authentication.Read 15 Oct 2026 · simplelocalize.io
Rating on Capterra
5.0 out of 5 from 2 reviews.Read 15 Oct 2026 · capterra.com
Rating on G2
0.0 out of 5 from 0 reviews.Read 15 Oct 2026 · g2.com
Rating on GetApp
5.0 out of 5 from 2 reviews.Read 15 Oct 2026 · getapp.com
Rating on Software Advice
5.0 out of 5 from 2 reviews.Read 15 Oct 2026 · softwareadvice.com
Rating on Trustpilot
2.8 out of 5 from 3 reviews.Read 15 Oct 2026 · trustpilot.com
Rating on TrustRadius
No user-review score is shown; its pricing profile lists one Basic plan at $12 per month and says a free trial is available.Read 15 Oct 2026 · trustradius.com
Security controls
The security page states TLS encryption in transit, bcrypt password hashing, hashed access tokens, VPN-protected production access, logging, auditing, rate limiting, and disaster recovery procedures.Read 15 Oct 2026 · simplelocalize.io
Security hosting
SimpleLocalize says it runs on Amazon Web Services, uses redundant storage and encrypted backups, and separates development, staging, and production environments.Read 15 Oct 2026 · simplelocalize.io
Self-hosting option
Customers can publish translations to their own AWS S3, Azure Blob Storage, or Google Cloud Storage bucket, but the application itself is presented as SaaS.Read 15 Oct 2026 · simplelocalize.io
Translation editor
Its browser editor supports customizable views, collaboration, word and character counters, comments, screenshots, tasks, and review workflows.Read 15 Oct 2026 · simplelocalize.io
Translation hosting
Published translations are served through a global CDN, with staging and production environments, instant updates, and rollback support.Read 15 Oct 2026 · simplelocalize.io
Translation memory
YesRead 21 Sep 2026 · simplelocalize.io

Plans and prices

Community Free free 500 translation keys · unlimited strings · 10 projects · 10 languages · 1 team member · 90-day activity/history log Read 15 Oct 2026 · simplelocalize.io
Developer $12 a month monthly value on yearly billing 1,000 translation keys · unlimited projects and languages · 5 team members · 2FA · 150k initial auto-translation characters · +50k/month Read 15 Oct 2026 · simplelocalize.io
Team $35 a month monthly value on yearly billing 4,000 translation keys · 25 team members · automations · audit logs · translation memory · +100k auto-translation characters/month Read 15 Oct 2026 · simplelocalize.io
Business €99 a month monthly value on yearly billing 12,000 translation keys · 100 team members · SAML SSO · up to 25 customer translations · +200k auto-translation characters/month Read 15 Oct 2026 · simplelocalize.io

Every SimpleLocalize plan and price →

Strong points and limits

Strong points

  • REST API and open-source CLI
  • CLI supports over 30 localization formats
  • No-code workflow automation
  • Community plan includes 10 projects and 10 languages

Limits

  • Community plan limits team membership to one
  • Community plan caps translation keys at 500
  • Plans are subject to a Fair Use Policy

Who it suits

SimpleLocalize suits software teams coordinating translations across projects and developers who want API or CLI tools. The one-member Community plan may suit an individual working within its stated project, language, and key limits.

SimpleLocalize in depth

Read the full write-up

SimpleLocalize manages software translations and automates localization workflows. It best suits software teams that want translation editing, developer tools, and hosted delivery in one service. The free tier is bounded by key and team caps; larger teams should weigh the paid tiers’ allowances against custom pricing.

Overview

SimpleLocalize brings a collaborative web editor, translation memory, terminology management, and workflow automation together. Custom views and word and character counters help teams coordinate and track translation work, while AI and machine translation can reduce manual effort. The benefit depends on how much automation a team needs and whether its monthly character allowance is sufficient.

Projects can host translations behind a CDN for delivery to users and developers. That makes SimpleLocalize more than an editing workspace: it can also serve as part of a software team’s translation delivery workflow. Its REST API and open-source CLI offer developer access, and the CLI supports Windows, macOS, and Linux.

Key features

The CLI supports more than 30 localization formats, including JSON, YAML, XLIFF, PO, ARB, Android XML, iOS Strings, CSV, and Excel. That breadth is useful for teams whose applications span different platforms or file conventions. Excel and CSV imports, and Excel, CSV, and JSON exports, also give spreadsheet-oriented users a straightforward way to move translation data.

Integrations include GitHub, Figma, VS Code, IntelliJ, Shopify, Webflow, DeepL, and OpenAI. This mix connects development, design, commerce, and translation services, although the right fit depends on which tools a team already uses. The company says data is encrypted in transit with HTTPS/TLS and production data is regularly backed up to a separate location with encrypted backups. It also says the product is developed and maintained in Europe and adheres to privacy and data-protection regulations including GDPR.

Pricing

SimpleLocalize is freemium, 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 through company contact.

Community: free. It allows 500 translation keys, unlimited strings, 10 projects, 10 languages, one team member, and a 90-day activity and history log. This is a practical starting point for an individual or small project, but the single-seat limit makes it unsuitable for a collaborative team.

Developer: custom pricing. It includes 1,000 keys, unlimited strings, projects, and languages, five team members, and 150k initial auto-translation characters, with 50k added monthly and a 500k rollover cap. It suits a small development team that needs more room than Community and a defined translation allowance.

Team: custom pricing. It raises the limits to 4,000 keys and 25 team members, with 300k initial auto-translation characters, 100k added monthly, and a 1m rollover cap. This is the more relevant tier for a growing collaborative operation.

Business: custom pricing. It provides 12,000 keys, up to 100 team members, 500k initial auto-translation characters, 200k added monthly, a 2m rollover cap, and up to 25 customer translations. Its larger allowances favor organizations with broader teams and customer-facing translation needs.

All paid tiers retain unlimited strings, projects, and languages, but differ substantially in key, seat, and auto-translation allowances. Since their prices are custom pricing, teams should confirm cost alongside the Fair Use Policy before choosing a tier.

Platforms

SimpleLocalize is available on the web and through an API, with Linux, macOS, and Windows listed as platforms. Its CLI specifically runs on all three desktop operating systems, giving developers a command-line route alongside the web editor.

Who it's for

SimpleLocalize is a strong fit for software teams that need a shared translation workspace, multiple localization formats, automation, and CDN-backed delivery. The Community plan can support a solo user working within its 500-key and 10-project limits. Teams needing multiple seats or higher key and character allowances should compare the custom-priced tiers against their expected usage. It is less compelling for buyers who require a known paid price before evaluating a service.

Pros and cons

Pro: The CLI’s support for more than 30 formats, plus a REST API, suits teams with varied application stacks and scripted workflows.

Pro: CDN-hosted translations, workflow automation, translation memory, and terminology management combine editing with delivery and process support.

Pro: Community offers unlimited strings at no cost, with 10 projects and 10 languages for a small-scale start.

Con: Community is limited to one team member and 500 keys, so collaboration or project growth can require an upgrade.

Con: Paid tiers use custom pricing, making it harder to budget from the plan allowances alone.

Con: Auto-translation character amounts are tiered and capped, so teams relying heavily on machine or AI translation need to match their usage to the allowance.

Alternatives

Localizely may suit teams prioritizing a free allowance of 250 hosted string keys, one project, unlimited users, and unlimited languages. locize offers a free tier with 2,000 words, two languages, five namespaces, one user, and 100K standard CDN downloads per month, a more explicit small-project allowance.

Applanga offers a two-week trial rather than a free plan, and may be worth considering for teams comparing trial-based access. Weblate is an alternative with a Premium Cloud 10k plan at €47 a month for 10,000 hosted strings and unlimited languages, projects, and components. XTM Cloud is a paid option with a Team plan at $16,500 a year, including 2 million processed words per year and unlimited users.

LingoHub may suit buyers looking at a paid Starter plan at €45 a month, which includes 100k linguistic credits (about 15k words) monthly and unlimited seats. wxrks (formerly Bureau Works) offers a free tier with 60K words per year, 2.3K API calls, 300K Stateless AI Tokens, and 20K Machine Translation Words. For broader category browsing, see Translation Management Software and Translation Software.

Verdict

Choose SimpleLocalize if your software team wants one service for collaborative translation editing, broad file-format support, automation, developer access, and CDN delivery. Community is a useful no-cost entry point for a single user, while the paid tiers scale seat, key, and translation allowances. Look elsewhere if predictable paid pricing is essential or the Community limits are too restrictive; confirm the Fair Use Policy and custom pricing before committing.

Verdict

SimpleLocalize combines a collaborative translation editor with automation, developer tools, and integrations. Check the Community plan’s key and team limits, and the Fair Use Policy, before settling on a plan.

Where Specifiction places it

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