Rowslint
The CSV importer for your application
SubscriptionNoCode1,284 impressions#16 of its week
Rowslint provides an embeddable CSV/Excel import widget with AI column mapping, in-browser validation and webhook delivery.
- for
- SaaS product teams needing reliable user-driven data imports.
- pricing
- freemium · free trial
Key features
- AI column matching — Automatically suggests column mappings based on headers and sample values, with user confirmation.
- In-browser validation — Runs Zod/Yup/regex rules locally so users fix errors before any data leaves the browser.
- Chunked streaming parser — Processes large files in the browser without freezing the UI.
- Privacy-first design — Rows stay in the tab by default; only clean data is sent to your webhook or storage.
- White-labelable UI — Themeable colors, radius, copy strings to match your product’s look.
- Webhook & storage integration — Stream rows to a webhook or batch to S3, Postgres, Snowflake, BigQuery, etc.
Use cases
- Onboard new SaaS customers by letting them import their contacts or inventory.
- Provide B2B portals a branded, secure way for operators to load data.
- Replace internal upload scripts with a UI that validates and cleans data.
- Enable ops teams to run recurring imports without custom code.
Rowslint vs alternatives
| Best for | AI-assisted CSV import widget | Building internal admin apps | Low-code internal tools | Open-source internal dashboards | No-code workflow automation |
|---|---|---|---|---|---|
| Pricing | Freemium | Subscription | Free | Free | Subscription |
| DevHunt upvotes | 1 | 0 | 0 | 0 | 0 |
| Launched | Jul 2025 | — | — | — | — |
- Rowslint vs Retool: Retool is a low-code internal tool builder, not a dedicated CSV import widget.
- Rowslint vs ToolJet: ToolJet is an open-source low-code platform, whereas Rowslint focuses solely on CSV/Excel import with AI mapping.
- Rowslint vs Appsmith: Appsmith offers UI building for internal tools but lacks built-in AI column matching and in-browser validation.
- Rowslint vs Zapier: Zapier automates data movement between apps but does not provide an embeddable import UI for end users.
Rowslint FAQ
Do I need a credit card to start a trial?+
No, the 14-day trial starts without a credit card.
Where does my data go during import?+
Parsing and validation happen in the browser; only clean rows are sent to the webhook or storage you configure.
Can I customize the look of the importer?+
Yes, the widget is fully white-labelable with themeable colors, radius and copy strings.
What validation libraries are supported?+
You can write rules with Zod, Yup, regex or async validators that run on each row.
Is there support for large Excel files?+
Rowslint uses chunked streaming parsing to keep the UI responsive for large files.
Can I host the service myself?+
Self-hosted and customer-managed storage are available on request.
Summarized by DevHunt from rowslint.io · Oct 4, 2026. Details may change; check the official site.