CSVBox vs Dromo in 2026
CSVBox and Dromo compared on what each does for file imports, what each costs, how each is set up and what to check before you pick one.
SayDeploy is published by LunarWerx, which makes some of the tools compared here.
CSVBox is a file importer that lets your users upload CSV, Excel, PDF, image and document files [1]. Dromo is an import tool that maps imported columns to your schema using GPT, can be embedded in your site and can be hosted in your own cloud [2] [2]. RoloDexter maps contact field names onto 62 standard fields through four matching layers and ships as a Python or JavaScript package [3] [3].
| Option | Free to use | Paid plan | Price | Install | |---|---|---|---|---| | CSVBox | Free Sandbox tier: 100 imports a month, up to 5 rows each [1], free forever at $0 a month [4] | Paid plans start at $19 a month and scale with rows imported, no per-seat fees [1] | From $19 a month [1] | Pushes validated rows to webhook, Postgres, MySQL, Airtable, Google Sheets, Zapier, n8n and 20+ other destinations [1] | | Dromo | Free plan for new customers [2] | Usage-based plan that bills monthly; price not published [2] | Price not published | Self-hosted via Kubernetes [2] | | RoloDexter | Free; no paid tier [3] | No paid tier [3] | Free [3] | pip or npm install [3] |
| Option | Free to use | Paid plan | Price | Install |
|---|---|---|---|---|
| CSVBox | Free Sandbox tier: 100 imports a month, up to 5 rows each [1]; free forever at $0 a month [4] | Paid plans start at $19 a month and scale with rows imported, no per-seat fees [1] | From $19 a month [1]; 2 million rows on the Plus tier [1] | Pushes validated rows to webhook, Postgres, MySQL, Airtable, Google Sheets, Zapier, n8n and 20+ other destinations [1] |
| Dromo | Free plan for new customers [2] | Usage-based plan that bills monthly; price not published [2] | Price not published [2]; unlimited plan at a flat annual rate [2] | Self-hosted via Kubernetes [2] |
| RoloDexter | Free; no paid tier [3] | No paid tier [3] | Free [3] | pip or npm install [3] |
The short answer
CSVBox is a file importer that lets your users upload CSV, Excel, PDF, image and document files [1]. Dromo is an import tool that maps imported columns to your schema using GPT, can be embedded in your site and can be hosted in your own cloud [2] [2]. RoloDexter maps contact field names onto 62 standard fields through four matching layers and ships as a Python or JavaScript package [3] [3].
For needs, CSVBox's pages cover imports up to 2M rows per import [1]. Dromo's pages cover GPT based column mapping [2], white labeling on every plan [2] and self-hosting via Kubernetes [2]. RoloDexter's claims cover mapping contact fields to a canonical schema with confidence scores [3] [3].
What CSVBox, Dromo is built for
CSVBox's page says it supports imports of up to 2M rows per import [1], and that it imports CSV, Excel (XLSX, XLS), PDFs, images and document files [1]. CSV, TSV and Excel files up to 500 MB are handled by streaming [1]. CSVBox's page says SOC 2 and GDPR compliance are included on every plan [1], and that all data is encrypted in transit with TLS 1.2+ and at rest with AES-256 [1]. A Model Context Protocol (MCP) server exposes importer-sheet management as tools AI clients can call [1].
Dromo's page says it uses GPT to automatically map imported columns to your schema [2], and that it is SOC 2 Type II certified [2]. It can be deployed self-hosted via Kubernetes in your own cloud infrastructure [2]. Its Headless product offers an API and SFTP support for a customizable import pipeline [2]. Dromo says integration typically takes less than 30 minutes [2].
What RoloDexter is built for
RoloDexter is made by the team that publishes this site.
It maps contact field names onto a canonical schema of 62 fields through a four-layer pipeline of exact, normalized, fuzzy and heuristic matching, where the heuristic layer detects emails, phones, URLs and postal codes by data shape [3]. Each field match records a confidence score and the strategy that produced it [3]. It cleans matched values, for example phones to E.164, countries to ISO 3166-1 alpha-2, and unambiguous dates to ISO-8601 [3].
You can resolve headers once and replay that plan on later runs with a JSON plan file [3]. It can pull phone numbers out of free-text values such as notes [3]. Large CSV or JSONL exports are processed in constant memory through lazy streaming [3], and with the pandas extra installed it can rename and normalize a pandas DataFrame [3]. An optional i18n generator calls Google Translate once, as a separate step you run yourself, to build cached language data for 40 languages [3].
Pricing and fees
CSVBox's free Sandbox tier is free forever at $0 a month [4]. Paid plans start at $19 a month and scale with rows imported, with no per-seat fees [1].
Dromo encourages new customers to experiment on its Free plan, then graduate to a usage-based plan that bills monthly and can be cancelled anytime [2]. It recommends an unlimited plan at a flat annual rate once a customer is confident in the product [2], and says it has no hidden fees or surprise upcharges such as for monthly billing or white labeling [2]. Its Headless API is a premium add-on [2]. The Dromo sources here do not state dollar amounts, so its prices are not published here [2].
RoloDexter is free, with no paid tier [3].
Setting it up and daily use
Its Private Mode runs the importer entirely in the user's browser [1]. Its MCP server exposes importer-sheet management as tools AI clients can call [1].
Dromo is embedded in your site, and in Private Mode it operates entirely in the web browser [2]. It can also be deployed self-hosted via Kubernetes in your own cloud infrastructure [2], and its Headless product offers an API and SFTP support [2]. Dromo says integration typically takes less than 30 minutes [2].
RoloDexter is installed with pip or npm [3], and the Python package needs Python 3.10 or newer [3]. Core mapping runs locally without an API key [3]. You run the map command to convert CSV and JSONL files with strict, override and dedupe options [3], and a profile command reports the match rate, which fields were populated, which headers went unmapped and how many warnings there were, without writing mapped output [3].
Things to check before you choose
Check what file types you import. CSVBox's pages cover CSV, Excel, PDF, image and document files [1], and RoloDexter's claims cover CSV and JSONL files [3].
Check where the data runs. CSVBox's Private Mode runs entirely in the user's browser [1], Dromo's Private Mode operates entirely in the web browser [2], and RoloDexter runs core mapping locally without an API key [3].
Check how the tool maps fields. Dromo's page says it uses GPT to map columns [2], and RoloDexter's claims describe four-layer matching with confidence scores [3] [3].
Check the row limits that matter to you. CSVBox states caps up to 2 million rows per import [1], and Dromo's sources here give none.
How to choose
If you want your site's users to upload files, CSVBox's pages describe that [1].
If you want an importer you can host in your own cloud, Dromo's page describes self-hosting via Kubernetes [2].
If you want a tool that runs locally without an API key, RoloDexter's claims say that [3].
If you want white labeling on every plan, Dromo's page says that is included at no extra cost [2].
If you want contact field names mapped to a canonical schema with confidence scores, RoloDexter's claims describe that [3] [3].
If you want a tool that handles large imports, CSVBox's pages state up to 2M rows per import [1].
If you want AI driven column mapping, Dromo's page says it uses GPT [2].
If you want a free tool, CSVBox's free Sandbox tier [4] and RoloDexter [3] are both free.
Frequently asked questions
Is CSVBox free to use?
CSVBox has a free Sandbox tier that is free forever at $0 a month [4]. Paid plans start at $19 a month and scale with rows imported, with no per-seat fees [1].
How much does Dromo cost?
Dromo offers a Free plan for new customers to experiment on, and then a usage-based plan that bills monthly and can be cancelled anytime [2]. It recommends an unlimited plan at a flat annual rate once a customer is confident in the product [2], and says it has no hidden fees such as for monthly billing or white labeling [2]. The sources here do not state dollar amounts, so Dromo's prices are not published here [2].
Is RoloDexter free and open source?
RoloDexter is free, with no paid tier [3]. It ships as a Python package on PyPI and as a JavaScript and TypeScript package on npm [3], and core mapping runs locally without an API key [3].
How do you install CSVBox, Dromo and RoloDexter?
CSVBox's Private Mode runs the importer entirely in the user's browser [1]. Dromo can be deployed self-hosted via Kubernetes in your own cloud [2]. RoloDexter is installed with pip or npm [3], and its Python package needs Python 3.10 or newer [3].
Can CSVBox, Dromo or RoloDexter work with AI tools?
CSVBox offers a Model Context Protocol (MCP) server that exposes importer-sheet management as tools AI clients can call [1]. RoloDexter's claims do not describe an AI integration. For Dromo, its page says it uses GPT to automatically map imported columns to your schema [2], but the facts here do not say it works with external AI assistants, so check its own pages for that.
RoloDexter is free; there is no paid tier. [3]
Try RoloDexterSources
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