Blog
Notes from the people building Updog.

How to Map CSV Values to Enums During Import
A file writes its categories in its own words. See how Updog Importer connects them to the options your app holds.
August 25, 2026
How to Import Product Catalogs from CSV and Excel
A catalog row holds a product and one of its variants, and the file never says which is which. See how Updog Importer gets both out.
August 24, 2026
Import, Edit and Delete Rows Through Your REST API
A port's arrival list keeps changing. Updog Importer fetches it, takes the edits and the deletions, and hands your API one list of changes.
August 24, 2026
How to Parse Time Correctly During CSV Import
Time can be written a dozen ways. See how Updog Importer reads each and settles the column on one format.
August 23, 2026
Embedded Importer Pricing Compared in 2026
Embedded importers charge by files, rows, cells, or a flat fee, so two quotes rarely compare. Every published price sits in one matrix, at the same volumes.
August 22, 2026
How to Build a CSV Column Mapping UI in React
A file names its columns its own way. See how Updog Importer connects them to the fields your app asks for.
August 21, 2026
How to Preserve Leading Zeros in CSV and Excel Imports
A stock file arrives with 422 where 00422 belongs. See how Updog Importer puts the zeros back.
August 21, 2026
How to Import Contacts from CSV into Your SaaS
A contact list arrives with no id column. See how Updog Importer decides which of those people you already hold.
August 20, 2026
How to Parse Dates Correctly During CSV Import
Dates come in different shapes. See how Updog Importer works out what each one means.
August 20, 2026
How to Import Employees from CSV and Excel
A staff export arrives from three payroll systems at once. See how Updog Importer turns it into one list of people.
August 19, 2026
CSV Import for Insurance Software
A policy register mixes new business, endorsements and cancellations in one file. How to write rules that read what kind of row they are judging.
August 18, 2026
How to Import CSV Into Neo4j
Match a shareholder register in the browser, post the clean rows to your own route, and write nodes and relationships into Neo4j with one UNWIND and MERGE.
August 17, 2026
CSV Import for Manufacturing and ERP Software
A bill of materials keeps its structure in a Level column and the order of its rows. How to take that file into a schema of parent and child parts.
August 16, 2026
CSV Import for Procurement and Vendor Management Software
Every customer configures its own supplier fields, so the column list is not knowable in advance. How to build the schema at runtime and still match the file.
August 15, 2026
Excel Import for Construction Management Software
A contractor sends the budget detail their accounting system prints. How to take that file into your cost code schema, merged header cells and all.
August 15, 2026
How to Import CSV Into Databricks
Match several partner files in the browser, post the clean rows to your own route, and merge them into a Delta table with one SQL statement.
August 14, 2026
CSV Import for Sports Statistics Software
A basketball program sends the box score archive it keeps as a spreadsheet. How to take that file into your player and game schema, minutes symbols and all.
August 13, 2026
How to Import CSV Records Into Salesforce
Map and validate a messy CSV in the browser, post the rows to your own route in chunks of 200, and upsert them into Salesforce on an External ID.
August 12, 2026
Import PDFs and Scans With Your Own Parser
Updog Importer reads CSV, Excel, JSON and XML. A PDF or a scan goes to a handler you write, and the rows it returns walk the same import path.
August 11, 2026
Client-Side vs Server-Side CSV Import: How to Choose
What a server-side import meters, what a client-side import limits, and how to tell which of the two models a job needs.
August 10, 2026
How to Remember CSV Import Mappings Between Uploads
Updog hands back the header and value pairs a person fixed by hand. Store them, feed them back as synonyms, and the next import matches itself.
August 9, 2026
How to Import a CSV File Into an Angular App With the Updog Importer
Add CSV and Excel import to an Angular app. Register the custom element, define your schema, set up matching, and get clean rows back.
August 8, 2026
How to Import CSV Into Amazon S3
Match a field trial export in the browser, then write the clean rows into S3 from your own route with PutObject and a conditional write that lands once.
August 7, 2026
How Updog Makes Its Importer Accessible
Screen reader support, keyboard navigation and WCAG 2.2 A and AA testing across the upload steps, the data grid and the cell editors.
August 6, 2026
How to Import CSV Into DynamoDB
Match a hotel rate sheet in the browser, post the clean rows to your own route, and write them into DynamoDB 25 items a call with the leftovers retried.
August 5, 2026
How to Import CSV Into SQL Server
Match a heritage survey export in the browser, stream the clean rows into SQL Server with bulk copy, and settle the batch with one MERGE from your own route.
August 4, 2026
Data Compliance for SaaS: What Vendors Receive
What controller and processor mean, what a product can do with the data it receives, and how the kind of vendor you add changes what you have to check.
August 3, 2026
CSV Import for Accounting and Finance Software
A journal report writes the entry number once and leaves it blank on every line below. How to rebuild the grouping and check that each entry balances.
August 2, 2026
CSV Import for Property Management Software
A property management platform keeps four records where a rent roll keeps one row. How to take that file into your property, unit, lease and resident tables.
August 2, 2026
The Best CSV Importers for React in 2026
CSV import tools with a React SDK, what each one does well, where it stops, and how to pick between them.
August 1, 2026
How to Import CSV Into Elasticsearch
Match a partner seed bank export in the browser, post the clean rows to your own route, and index them into Elasticsearch with the bulk API.
July 31, 2026
How to Import CSV Contacts Into HubSpot
Import CSV contacts into HubSpot through your own endpoint. Match the file values to the portal enumeration options in the browser, then upsert 100 at a time.
July 30, 2026
How to Import CSV Into Oracle Database
Validate a messy asset register in the browser against Oracle's own byte widths, then merge the clean rows with executeMany from your own route.
July 29, 2026
How to Import a CSV File Into a Vue App With the Updog Importer
Add CSV and Excel import to a Vue app. Register the Web Component, define your schema, set up matching, and get clean rows back.
July 28, 2026
How to Import CSV Into Azure SQL Database
Match two fuel card statements in the browser, then merge the clean rows into Azure SQL through one table-valued parameter from your own route.
July 27, 2026
CSV Import for Healthcare and Patient Data SaaS
A clinic sends the roster it keeps in a spreadsheet. How to take those files into your patient schema, allergy lists and all.
July 26, 2026
Excel Import for Ecommerce and PIM Software
Merchants send the catalog their store exported, one row per size. How to take those files into your product schema with every size under its product.
July 25, 2026
How to Import CSV Into Google Sheets
Match a venue's box office return in the browser, then write it into a Google Sheet as a values.batchUpdate and a values.append under valueInputOption RAW.
July 24, 2026
How to Import CSV Into Amazon Redshift
Reconcile a registrar's enrolment export against the rows already in Redshift, then land the inserts, updates and deletes in one Data API transaction.
July 23, 2026
Customer Data Onboarding: A Guide for B2B SaaS
What happens to a customer's file before their records work inside your product, and which stages of that work break most often.
July 22, 2026
Excel Import for Logistics and Supply Chain SaaS
Suppliers send workbooks, a tab per site and quantities in cases. How to take those files into your item and stock schema with every unit settled.
July 21, 2026
How to Import CSV Into Firebase Firestore
Map a messy CSV in the browser, post the rows to a Cloud Function you own, and write them into Firestore with a batched set and merge on a key from the file.
July 20, 2026
CSV Import for CRM and Sales SaaS
Every new customer arrives with the address book out of their old CRM. How to take those files into your own schema and finish with one row per person.
July 19, 2026
CSV Import for Payroll and HR SaaS
Every new customer sends the employee file their own HRIS produced. How to take any of those exports into one schema, dependents and all.
July 19, 2026
CSV Import Is More Than Parsing a File
A parser reads a file. An importer maps columns, matches values, validates, and lets users fix errors in the browser before anything is submitted.
July 18, 2026
How to Import CSV Into Airtable
Import CSV into Airtable from your own app. Map and validate the file in the browser, settle every select option, then upsert the rows from your own route.
July 17, 2026
How to Import CSV Into Snowflake
Read a messy trial balance CSV in the browser, post the clean rows to your own Express route, and merge them into a Snowflake table from a staging table.
July 16, 2026
Build vs Buy a CSV Importer When AI Writes the Code
Teams are building CSV importers in-house with AI. The real math on an engineer month against a $19 subscription, and what the first demo leaves out.
July 15, 2026
How to Import CSV Into MySQL
Detect the encoding, map and validate a messy CSV in the browser, then upsert the clean rows into MySQL with ON DUPLICATE KEY UPDATE.
July 14, 2026
How to Import CSV Into ClickHouse
Match an agency's spend export in the browser, check its campaign ids against your warehouse, and land every change into a ReplacingMergeTree as one append.
July 13, 2026
How to Import CSV Into BigQuery
Match several meter reading files in the browser, stage them from your own Node endpoint, and land them in BigQuery with one partition-aware MERGE.
July 10, 2026
A Filter Panel That Narrows a Million Rows in the Browser
Bitmask-packed row state, a worker-side mirror instead of row objects, and a filter pipeline ordered by cost, across a million rows.
July 9, 2026
How to Import CSV Into MongoDB
Map and validate a messy CSV in the browser, post the clean rows to your own route, and write them into MongoDB with an unordered bulkWrite.
July 7, 2026
A Canvas Grid That Renders a Million Rows in the Browser
How Updog's data editor renders a million rows in the browser: a canvas engine, scrolling past browser pixel limits, zero overscan, and frame skipping.
July 6, 2026
How to Import CSV Into PostgreSQL
Map and validate a messy pay run in the browser, then import the CSV into PostgreSQL with one transaction per chunk through node-postgres.
July 3, 2026
How to Import a CSV File Into a React App With the Updog Importer
A step-by-step guide to adding CSV and Excel import to your React app with Updog. Install the SDK, define your schema, set up matching, and get clean rows back.
July 2, 2026
How to Import CSV Into Supabase
Map and validate a messy CSV in the browser, post the clean rows to your own route in chunks, and upsert them into a Supabase table.
July 1, 2026
Make Updog's CSV Importer Match Your Product
Restyle the importer and spreadsheet editor with plain CSS variables, so column mapping, validation states and the grid match your design system.
June 15, 2026
Common CSV Import Errors and How to Prevent Them
Missing headers, invalid values, locale formats, encoding damage and silently shifted rows, and what to check before users submit data.
June 12, 2026
Bring Your Own AI to CSV and Excel Import
Updog ships no model of its own, so your users' data stays private. Bring your own AI for column matching, value matching and data cleaning.
June 2, 2026
A Different Way to Think About CSV Import
The file stays on the machine that opened the page. Flat pricing, one embedded component, and a smoother import flow for web apps.
May 18, 2026