bubbleio articles & tutorials

14 Oct 2025 10 min [automation][data-migration][datamigration]

How to Migrate a Relational Database Between Two Bubble.io Apps Using n8n (Step-by-Step)

Migrate relational data between two Bubble.io apps using n8n. Preserve parent–child links, prevent duplicates, and automate database transfers.

Copy the records straight across and every relationship points at an ID that no longer exists.

09 Oct 2025 4 min [apis][n8n][bubbleio]

How to Merge PDFs in Bubble Without Timeouts Using n8n?

Discover how to handle large file operations outside Bubble using n8n automation. Merge, upload, and send PDFs back to Bubble, without hitting timeouts!

The merge runs past 30 seconds, the call dies, and your user gets no file at all.

07 Aug 2025 12 min [filtering][no-code][bubble]

How to Implement Daisy Chain Filtering in Bubble.io?

Build fast client-side filtering in Bubble.io with Daisy Chain logic. Step-by-step tutorial and best practices for performance and scalability.

What happens when my database grows from 200 products to over 10,000?

04 Aug 2025 5 min [no-code][bubble][bubbleio]

How to Let Admins Access User Accounts in Bubble.io Without Credentials

Add admin impersonation to Bubble.io: let admins log in as any user without storing credentials. Built with a short-lived token generated by a backend API workflow.

Support asks the customer for their password, and now it lives in a chat thread.

19 May 2025 8 min [performance-optimization][bubble][bubbleio]

How to Paginate Repeating Groups in Bubble.io Without Loading All Data at Once?

Stop paying workload units for rows users never see. Step-by-step Bubble.io repeating-group pagination with :items from # and :items until #, tested past 120,000 rows on a multi-tenant SaaS.

The user reads three pages. You paid to load all 1,000 records.

06 May 2025 11 min [saas][saas-development][multitenant]

How to Use Sub-Apps in Bubble? - The Complete Step-by-Step Guide

Guide to creating, managing, and updating sub-apps in Bubble.io for scalable multi-client SaaS solutions. Perfect for no-code enthusiasts

One push overwrites every customisation you made for that client, and there is no undo.

01 May 2025 5 min [sorting][uiux][no-code]

How to sort a repeating group in Bubble.io by a nested field?

Learn how to sort a repeating group in Bubble.io by a nested field with this step-by-step guide and enhance your app's functionality

Sorting works fine until the field you need lives one level down.

07 Nov 2024 6 min [typography][web-design][no-code]

How to add custom fonts in bubble.io?

Learn to add custom fonts in Bubble.io with this step-by-step guide to enhance your app's typography and stay on brand

Bubble saves your stylesheet as a .css.txt file and the font silently never loads.

23 Sept 2024 3 min [optimization][performance][performance-optimization]

How can you effectively prevent deleted pages from consuming workload units (WU)?

Learn how to prevent deleted pages from consuming workload units in your web application. This guide provides actionable steps to optimize resources and imp

Pages you deleted months ago are still billing you for workload units.

21 Sept 2024 6 min [low-code][no-code][learning-journey]

The learning curve of the bubble (no-code) developer explained using the dunning-Kruger effect

Discover how the Dunning-Kruger Effect impacts no-code programmers, leading to overconfidence in early stages, and how to overcome it for long-term success.

You built a working Bubble app in days, and that is exactly when the overconfidence starts.

11 Sept 2024 3 min [no-code][nocode][openai]

How can openAI's markdown text be converted into HTML text with CSS style without code in Bubble? (Without Paid Plugin)

How can open AI's markdown text be converted to HTML with style without code in a bubble?

The model answers in markdown and your user reads the asterisks.

04 Jun 2024 7 min [plugins][no-code][nocode]

How to convert Bubble Page into PDF? How to merge multiple PDFs in Bubble?

Export a Bubble.io page as PDF and merge multiple uploaded PDFs into one. Uses PDF Conjurer plugin and n8n to avoid workflow timeout errors on large merges.

The floating header gets baked into the PDF your customer downloads.

29 May 2024 5 min [no-code][nocode][bubble]

How to restrict file types in multi-file uploader in bubble? (No Code/No Paid Plugins)

How to restrict file types in multi-file uploader in bubble.io ? (No Code/No Paid Plugins)

Bubble’s multi-file uploader accepts anything, and a page refresh throws away what was uploaded.

11 Jan 2024 7 min [performance-optimization][no-code][nocode]

How to Verify a user's email in the Bubble app using Postmark?

Learn the step-by-step guide on email verification using Postmark in your Bubble app. Strengthen security and enhance user trust effortlessly. #NoCode #Post

Your verification email ships from a shared Bubble domain and lands in spam.

06 Dec 2023 3 min [no-code][nocode][bubble]

Bubble.io Tips - 2

These 5 tips are going to help you increase your knowledge as a Bubble.io Developer

Reorder an element inside a fixed container and you have silently changed its z-index.

22 Oct 2023 2 min [no-code][nocode][bubble]

Bubble.io Tips - 1

5 tips to have knowledge of to excel in your Bubble.io APP development

Option sets download on every page, so anything you keep in one is public.

10 Sept 2023 7 min [bubble][bubbleio][stripe]

How to configure Stripe Checkout Integration in the Bubble.io application without any Paid Plugins?

Build Stripe Checkout in Bubble with API Connector and backend webhooks. Create a session, redirect the user, verify checkout.completed, and save payment status.

Stripe takes the payment on its own domain, so your app has no idea it happened.

18 Aug 2023 6 min [optimization][no-code][nocode]

Arbitrary Text : Data Source of Nested Repeating Group in Bubble

Use Bubble arbitrary text as a repeating group data source for near-static lists. Save workload units by avoiding database reads for product features and tiers.

You are paying workload units to fetch the same subscription tiers on every page load.

23 Jul 2023 5 min [documentation][nocode][bubble]

How do I create documentation for Bubble.io Application I am working on?

How to document a Bubble.io app: onboard stakeholders, choose a format, and keep docs in sync as the product changes. A practical guide for client projects and solo devs.

A Bubble app becomes unmaintainable the moment the developer who built it leaves.

08 Jul 2023 7 min [ai][no-code][chatgpt]

How to integrate GPT 3.5 Turbo API into your Bubble.io app?

Integrate OpenAI GPT-3.5 Turbo into Bubble.io: API Connector setup, bearer token auth, message array, and parsing the response. The same pattern works with GPT-4 and later.

The slow response is the prompt doing what you asked, not a bug in your app.

05 Jul 2023 3 min [apis][nocode][bubble]

How to pass Nested Array as a parameter in Bubble API Connector?

To pass an array as a value of key in the tBubble.io API connector, follow the following steps

Bubble’s API Connector has no field for a nested array, so the integration stops right here.

13 Jun 2023 6 min [seo][user-engagement][nocode]

Maximizing SEO and User Engagement on Bubble.io Website

Optimizing Your Bubble.io Website for Search Engines and Building User Engagement

One extra second of load time costs about 7% of your conversions.

12 Jun 2023 4 min [bubble][bubbleio][geolocation]

How to calculate the distance between two locations in Bubble.io? (One location will be dynamic)

Use Bubble.io to create a geolocation database and calculate the distance between the user's premise location and the advertised business location

Every listing can show how far it is from wherever the user happens to be standing.

07 Jun 2023 3 min [mvp][no-code][nocode]

How to create a bubble app using the phone number as a signup method? (No Plugin)

it is possible to make phone number the main login method on your Bubble.io application

06 Jun 2023 3 min [startup][scalability][mvp-development]

6 Fatal mistakes which destroy the scalability of the Bubble application

Overuse of Plugins: Although Bubble's plugin library provides a variety of useful components and functions, overuse of plugins can significantly impact the

Every one of these is cheap to avoid now and expensive once users are on your Bubble app.

01 Jun 2023 5 min [airtable][api-integration][bubble]

Integrate Bubble with Airtable

you'll need to create an API key for your Airtable account, which is used to authenticate requests made to the Airtable API. Use the key in API Connector.

Airtable holds the data your client already knows how to edit, and Bubble just reads it.

31 May 2023 5 min [api][zapier][bubble]

Connecting Bubble.io with Zapier: Streamlining Workflows and Automating Tasks

By seamlessly integrating Bubble.io with Zapier, a leading automation tool, users can further enhance their applications by automating tasks and connecting

The copying you do by hand between two apps is a ten-step setup you do once.

30 May 2023 3 min [mvp][mvp-development][nocode]

4 Reasons why you should use fuzzy search over Searchbox in bubble?

Fuzzy search is a kind of search that returns output that might be close, but not exactly identical, to what was typed.

A user types jhon, finds nothing, and decides you have no results.

29 May 2023 16 min [no-code][bubble][bubbleio]

Why one should choose Bubble.io?

An honest practitioner take on Bubble.io in 2026: what it does well, when Lovable or Cursor beats it, the workload-units pricing reality, and how I decide on client work.