Rowporter alternative where the rows never reach a server
Updog parses, maps, validates, and edits every file on the user's own machine, then hands the finished rows to your app. There is no Updog server that could receive them.
100% client-sideWhite-labelNo server
Updog and Rowporter at a glance
| Dimension | Updog | Rowporter |
|---|---|---|
| Data privacy | Files are parsed, validated, and edited in the browser. Row data never reaches Updog's servers, so there is no data processor, DPA, or residency to manage. | Files are parsed and validated in the browser, and the privacy policy and terms both state that raw files are never uploaded. On completion the shipped widget posts the validated rows to Rowporter's API, which delivers them to your webhook, while the privacy policy's table lists that step as direct to your endpoint with nothing stored. Rowporter is named as the data processor, with a DPA on request and import metadata kept 90 days. No SOC 2, ISO 27001, or data-residency region was found. |
| White-label | Full styling through CSS variables and class overrides. No Updog logos or "powered by" on any plan, including the free one. | Colors, logo, fonts, radius, and button and header styles, set in code or in the dashboard, plus custom CSS injected into the widget. The pricing table gives Free no branding controls, while the API reference lets Free set two colors and a logo. The "Powered by Rowporter" badge comes off on Starter. |
| Pricing | Free for development, and a 14-day trial with no card when you go live. In production, a flat $19 per domain per month, the same at any volume, and your first paid domain includes a free one for staging. | Public and metered by imports a month and rows per import. Free is $0 forever with 50 imports, Starter $15 with 1,500, Growth $35 with 7,000, and Scale $100 with 12,500, in US dollars. Higher limits are quoted, and an import counts only once the user finishes the flow. |
| Data mapping | Schema in code. Fuzzy column matching with a built-in synonym dictionary you can extend, or connect the AI your organization already approves through a hook, so it runs on infrastructure you control with no new AI vendor to clear. Updog keeps no mapping history. Your app owns that state and can supply saved selections on later imports. Maps incoming values to your options. Auto-detects number and date formats. Combines files by upserting on a key. | Columns live in a template authored in Rowporter's dashboard or through its API. Matching runs in the browser through exact, synonym, similarity, and partial passes, with 315 or more built-in synonyms across seven languages. No AI matching is offered, and values are checked against an allowed list rather than mapped to your options. Confirmed mappings are kept in the end user's browser and replayed on later imports, on Starter and above. |
| Data cleaning | Cells edit inline through a typed editor per column, text, number, date, select, or multi-select, with clipboard, fill handle, and full undo and redo. Values pass a transform on the way in, then validation runs at three levels, built-in rules, your own checks, and asynchronous ones. Sorting, full-text search, filters on the columns you enable, and formulas. Invalid rows can block submit or come through flagged. Any view also exports in any supported format. | A review step edits cells inline, finds and replaces, and applies bulk transforms, with undo on each transform and a revert to the uploaded data. Built-in rules cover length, range, regex, allowed values, and uniqueness. Custom JavaScript rules run on Growth and above, and checks against your own API on Scale. Rows with errors can be skipped or deleted, and error rows export as CSV or Excel. No sorting, column filters, or formulas were found. |
| Scale & performance | About one million rows at around 20 columns in the browser, with a filter on every column. No fixed row cap, the browser tab's memory is the ceiling, and fewer columns reach further. Filtering and sorting run in a worker, measured at 30 to 250 milliseconds over a million rows. | Parsing runs in the browser, on the main thread rather than in a worker. Every plan stops a single import at a fixed row count, 1,000 on Free rising to 125,000 on Scale, alongside file-size caps from 5 MB to 100 MB. Both are enforced on Rowporter's servers. |
| Integration | React component, plus a Web Component for Vue, Angular, Svelte, and vanilla JS. Renders inline in your page's DOM. Imports CSV, TSV, Excel, JSON, and XML, plus any other format through a parser you register yourself. | One loader script, or a plain iframe you paste into your page. The widget renders on rowporter.com inside a cross-origin frame, as a modal or inline. A React SDK and an npm package are both listed as coming soon. A REST API manages templates and imports. Reads CSV, XLSX, and XLS. |
| Languages & RTL | English by default, with every interface string overridable, so you can localize into any language. Right-to-left is first-class. It flips layout, text alignment, scrollbars, and column pinning, and carries through to export. | Ten interface languages, set with a locale option and switchable at runtime. Beyond those, only the welcome, success, and error text can be replaced. None of the ten is written right to left, and no right-to-left support was found. |
| Accessibility | An ARIA grid with full keyboard navigation and screen-reader support. WCAG 2.2 AA is the level Updog builds to, with automated rule checks over every component and every step of the importer on each test run. Updog holds no independent audit or VPAT. | Dialogs, menus, and select controls carry roles, labels, and arrow-key handling from the component library underneath, while the review table has no grid semantics and the widget renders no headings or landmarks. No accessibility statement or WCAG claim was found. |
Rowporter's changelog, blog, status page, and SDK libraries are all marked as coming soon, and no npm package is published, so this page follows its documentation together with the embed script and widget it serves. Facts checked against Rowporter's public pages in August 2026.
Which one fits your team
Rowporter may fit better if
- You want a free plan you can run in production, at 50 imports and 1,000 rows a month with a badge shown.
- You want people outside engineering to change the columns and validation rules in a dashboard, with no deploy.
- You want the finished rows delivered to your backend by webhook, signed and retried.
- You want a sandbox with separate keys and webhooks, and template versions you can roll back.
Updog may fit better if
- You want an importer and spreadsheet editor embedded in your own app.
- You want to match your app's design exactly, styling the editor with your own CSS through variables and class overrides.
- You want to handle large files in the browser, with nothing stored on a server.
- You want flat, public pricing with no per-import fees.
- You want to use the AI your organization already approves, with no new vendor to clear.
Questions people ask
Is Updog a drop-in replacement for Rowporter?
No. Both embed a client-side import flow, but Rowporter renders in a frame on its own domain with the columns set in its dashboard, while Updog renders in your page with the columns in your code and continues into a full spreadsheet editor.
How do the two handle data privacy?
Updog has no server mode, so row data never leaves the browser. Rowporter parses and validates in the browser too, and its policy states that raw files are never uploaded. Its shipped widget posts the validated rows to Rowporter's API on completion, which then delivers them to your webhook.
How does Updog pricing compare?
Updog is a flat $19 per production domain per month, free in development. Rowporter has a free plan at $0 and paid plans at $15, $35, and $100 a month, priced by imports a month and rows per import.
Can Updog handle large files like Rowporter?
Yes, about 1 million rows in the browser, bound by the machine's memory. Rowporter stops a single import at 1,000 rows on its free plan and 125,000 on its $100 Scale plan, enforced on its servers.
Does either one need a backend?
Updog needs none, on any plan. Rowporter runs without one if you take the rows from its browser callback, though the columns still live in a template on its servers. Its webhooks and its checks against your database need an endpoint of yours.
Do Updog and Rowporter remember mapping choices between imports?
Rowporter keeps confirmed mappings in the end user's browser and replays them on later imports, on Starter and above. Updog keeps no mapping history. Your app owns that state and can supply saved selections to the importer on the next run.
Can Updog be used to view or edit existing data, without an import?
Yes. Load existing data straight into Updog's editor to view and edit it, with a read-only mode. Rowporter's review step only appears during an import.
How do the two handle accessibility?
Updog's grid uses ARIA semantics with full keyboard navigation and screen-reader support, and the importer is checked against WCAG 2.2 A and AA rules on each test run. Updog holds no independent audit or VPAT. Rowporter's dialogs and menus carry roles and labels from the component library underneath, while its review table has no grid semantics, and no accessibility statement was found.
Can the interface be translated, and does right-to-left work?
Updog ships in English with every interface string overridable, so you can localize into any language, and it renders right-to-left layouts natively. Rowporter has ten built-in interface languages, none of them written right to left, and no right-to-left support was found.
See how Updog compares to other CSV importers
Try Updog for free
Install the package, add your columns, render the component. Free on localhost and preview domains. Every feature included.