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Features
Everything you need to manage content, nothing you have to maintain
Sveltia CMS pairs a polished editing app with a zero-maintenance setup. Here’s what you get out of the box — free and open source.
Explore by topic
All features at a glance
Filter by role to see what matters to you. Every card links to the documentation.
Editing
- Modern, intuitive UIClean interface with dark mode, keyboard shortcuts and drag-and-drop uploads.
- Two-pane editor with live previewResizable, swappable panes with scroll sync and click-to-highlight.
- Instant full-text searchFind any entry or file across every collection as you type.
- Table, list and grid viewsSort, filter and group entries to find what you need quickly.
- Automatic draft backupsUnsaved changes are backed up in the browser and restored when you come back.
- Mobile and tablet supportEdit content on the go, with quick QR code sign-in from your desktop.
- Accessibility firstFull keyboard navigation and screen reader support throughout the app.
- Localized interfaceUse the CMS in your own language, not only English.
- Conflict detectionYou’re told when someone else saves the entry you’re editing, so no change is overwritten by accident.
- History, backlinks and validationSee past commits, entries that link here and every error in one sidebar.
- Revert, restore and clearStart over with one field, one language or the whole entry.
- Safe slug renamingRenaming an entry keeps its Git history, updates references and can record a redirect from the old URL.
- Create related entries on the flyAdd a new tag or author from a Relation field without leaving the post.
- Copy and paste list itemsReuse a block in another entry, another collection or even another site.
- Rich text editorTables, inline components, a floating link editor, image paste and a raw mode.
- Map fieldPick places on OpenStreetMap with address search — no API key needed.
Content Library
- Spreadsheet-style bulk editingChange simple fields of many entries at once, saved in a single commit.
- Cascading updates and deletesRenaming or deleting an entry or asset updates everything that references it, in the same commit.
- Drag-and-drop orderingArrange entries manually, even within groups.
- Nested page treeBrowse hierarchical pages as a tree and move them between folders.
- Read-only contentLock the whole CMS, a collection or a file, e.g. during a migration.
Assets & Media
- Full-fledged asset libraryBrowse, search, preview and manage every image and file in one place.
- Stock photosInsert free photos from Pexels, Pixabay, Unsplash and Lorem Picsum.
- Image optimizationConvert uploads to WebP, including HEIC photos from phones, and minify SVG.
- External media storageStore media on Amazon S3, Cloudflare R2, Cloudinary and other services.
- Folder managementCreate, rename and delete media folders without breaking entries.
- “Used in” and photo detailsSee which entries use a file, plus Exif data and a map of where a photo was taken.
- Cloud storage browsingUpload, rename, replace and delete files on S3, R2, Azure and more.
- Linked filesEvery externally hosted file in one place, with broken links flagged.
- Upload rulesPrevent duplicate uploads, cap file sizes and name files with templates.
Multilingual Content
- Side-by-side translationEdit two languages at once, with missing translations flagged.
- One-click AI translationTranslate entries with Google, Anthropic, OpenAI and other services.
- Flexible content structuresStore locales in one file, separate files or separate folders.
- Localized slugsGive each language its own URL, or use UUIDs for non-Latin titles.
- Fill in from the default languageUntranslated locales follow the default value until someone translates them.
- Localized labels and hintsTranslate field labels and hints for teams working in other languages.
- Exclude text from translationMark names and code so machine translation leaves them untouched.
Publishing Workflows
- Simple, Preview and Editorial workflowsPublish directly, check a deploy preview first, or review changes as a team.
- Deploy previewsSee changes on your hosting provider’s preview URL before they go live.
- Open AuthoringLet contributors without write access propose changes through forks.
- Local workflowEdit a local Git repository directly in the browser, without a proxy server.
- Custom review stagesDrop review steps, or add Save and Publish for quick fixes.
- Commit message promptsAsk editors for a commit message, or an issue number prefix, on every save.
- Deploy on demandSave without triggering a build, then deploy with one click.
- Auto-commit locallyOptionally commit every save to your local branch when working locally.
Developer Tools
- Framework-agnosticAstro, Eleventy, Hugo, Jekyll, Next.js, SvelteKit and any other framework.
- GitHub, GitLab, Gitea and ForgejoSign in with OAuth or a personal access token, whichever suits your team.
- Config validation and autocompletionA JSON schema catches mistakes and powers autocompletion in your editor.
- Flexible content modeling19 built-in field types, relations, nested collections and singletons.
- Multiple file formatsMarkdown, YAML, TOML and JSON, plus custom formats through the API.
- JavaScript APICustom field types, preview templates, editor components and event hooks.
- AI coding toolsAn official Agent Skill and llms.txt help AI assistants write your config.
- CSP builderGenerate a Content Security Policy that matches your configuration.
- Database-style fieldsEnforce unique values, number entries automatically and record timestamps.
- Custom pages and event hooksAdd your own pages to the CMS and run code before or after saving.
- NPM packageA build with TypeScript types that loads nothing from third-party CDNs.
- MonoreposPoint the CMS at a site in a subdirectory of a larger repository.
Security & Privacy
See it for yourself
Try the live demo in your browser — no sign-up, no repository, no setup.