Free Kakeibo Budget Planner App: Guide & Privacy Tips

The Free Kakeibo Budget Planner App is a guided budgeting tool that runs in your web browser. It walks you through the Japanese kakeibo method one question at a time, lets you plan weekly, bi-weekly or monthly, and turns your budget into a two-page spread you can style and print. There's no sign-up, and everything you type stays on your own device.

This guide covers every feature, how to build your first budget, exactly where your data is stored, and how to stay private if you use a shared or public computer.

Table of Contents

• What Is the Free Kakeibo Budget Planner App?
• Features at a Glance
• How to Use the Free Kakeibo Budget Planner App, Step by Step
• Weekly, Bi-Weekly or Monthly: Which to Choose
• Customizing Your Spread
• Printing, PDF and Full Screen
• Your Data and Privacy
• Where Your Data Is Stored
• How to Stay Safe on a Shared Computer
• Export and Import: Moving to Another Computer or Profile
• Planner vs. Printable Template vs. Spreadsheet

What Is the Free Kakeibo Budget Planner App?

The Free Kakeibo Budget Planner App is a browser-based version of the kakeibo household ledger. Kakeibo (家計簿) is a budgeting method created in Japan in 1904 by journalist Hani Motoko. It asks four questions each period: how much money do I have, how much would I like to save, how much am I spending, and how can I improve? If you're new to the method, start with what kakeibo is and why it works.

Paper kakeibo journals are lovely, but the blank page can be intimidating the first time. The planner gives you the same structure with guidance on every step. It adds up the numbers for you and shows a live preview of how your finished ledger will look. When you're happy with it, you print it, and you're back to pen and paper for the rest of the period if you prefer.

It was built for three kinds of people:

• Beginners who want to try kakeibo without buying a journal or learning a spreadsheet
• Paper lovers who want a neat, personalized page to print and fill in by hand
• Privacy-minded budgeters who don't want to hand their spending history to an app or bank-linked service

Features at a Glance

Feature	What it does
Guided steps	Seven short steps that follow the four kakeibo questions, with a tip on each
Three budget periods	Weekly (7 days), bi-weekly (14 days) or monthly (the whole calendar month)
Four pillars	Split your spending money across Needs, Wants, Culture and Unexpected
Live spread preview	A two-page ledger that updates as you type
Practice mode	An example budget to explore before using your own numbers
Themes, fonts and paper	7 color themes, 3 fonts, any accent color, and plain, lined, grid or dotted paper
Print and PDF	Fits one landscape A4 or Letter sheet, with blank lines for writing by hand
Full screen	Shows the finished spread on its own, larger, for review
Multiple budgets	Keep several periods side by side and start the next one in one click
Export and import	Move budgets to another computer, browser or profile as a JSON file or by copy and paste
10 currencies	Including USD, EUR, GBP, INR, JPY, CAD, AUD and SGD

How to Use the Free Kakeibo Budget Planner App, Step by Step

It takes about 15 minutes to set up your first budget. Open the Free Kakeibo Budget Planner App and follow along. Your progress saves automatically as you type, so you can close the tab and come back later on the same device.

Not ready to use real numbers? Select Practice with example numbers. The planner loads a realistic example budget so you can click through every step and see a filled-in spread. When you're ready for your own, select New budget, and delete the practice one with Delete whenever you like.

Step 1: Set Up Your Period

Choose Weekly, Bi-weekly or Monthly and select Start my budget. On the Set up step you can name the budget, pick the exact dates (or the month) and choose your currency.

Step 2: Money In

This answers the first kakeibo question: how much money do I have? List what you'll actually receive this period after tax. That could be a salary, freelance income or benefits. If your income varies, use a cautious estimate. It's better to be pleasantly surprised than short.

Step 3: Fixed Costs

Add the bills that stay the same every period, such as rent or mortgage, utilities, internet, phone and insurance. Tap any of the suggested items to add them quickly. Taking these off first shows how much you really have to live on.

Step 4: Save & Split

This is the second question: how much would I like to save? Kakeibo puts savings first. You set the goal before you spend, not with whatever's left at the end. Quick buttons fill in 10%, 15%, 20% or 30% of what remains after fixed costs.

The planner then shows your left to spend figure:

Money in − Fixed costs − Savings goal = Left to spend

Split that across the four pillars. Suggest a split starts you at 50% Needs, 25% Wants, 10% Culture and 15% Unexpected, which you can adjust. Not sure what goes where? See the four kakeibo categories explained.

Step 5: Track Spending

The third question: how much am I spending? Log each purchase with a short description, the amount, the date and its pillar. Each pillar button shows how much is left in it, and turns red if you go over. The kakeibo habit is to pause before logging and ask whether you needed it and whether you'd buy it again.

Step 6: Reflect

The fourth question: how can I improve? The planner tells you how much you've saved against your goal and which pillars ran over. Write down what went well and one small, specific change for next time, like "take lunch to work three days a week." Our guide to why budgets fail without reflection explains why this step matters most.

Step 7: Design & Print

Choose how your spread looks, then print it or save it as a PDF. The next two sections cover this in detail.

When the period ends, select Start next period. Your income, fixed costs, savings goal, pillar split and design carry over. The spending log and reflection start fresh.

Weekly, Bi-Weekly or Monthly: Which to Choose

Match your budget period to how often you're paid. That way each budget starts with fresh money in.

Period	Best for	How the spread shows spending
Weekly	Irregular or weekly income, beginners, tight months	One row per day, 7 rows
Bi-weekly	Fortnightly paydays	One row per day, 14 rows
Monthly	Monthly salaries, the traditional kakeibo rhythm	One row per week (Week 1 is days 1–7, and so on)

If you're unsure, start weekly. Short periods give you more chances to reflect and adjust, which builds the habit faster.

Customizing Your Spread

Everything in the Design & print step updates the preview instantly.

• Themes: Matcha (tea green), Sakura (blossom pink), Ai (indigo), Sumi (black ink with a red stamp), Yuzu (citrus yellow), Fuji (wisteria lilac) and Yoru (a dark night theme for screens)
• Fonts: Geist (clean and modern), Caveat (quick handwriting) and Kalam (felt-tip notes)
• Accent color: pick one of eight swatches or any color with the color picker. Use theme color resets it.
• Paper: plain, lined, grid or dotted

Each budget remembers its own design, so you can give different months different looks.

Printing, PDF and Full Screen

Select Print or save as PDF. The spread is laid out to fit one landscape A4 or US Letter sheet. If a busy month has a long spending log, the planner scales it down to still fit on one page.

A few tips:

• To save a PDF, choose "Save as PDF" (or "Microsoft Print to PDF") as the printer in the print window.
• To keep the colors and paper lines, turn on "Background graphics" under More settings in the print window.
• For paper copies, pick a light theme. The dark Yoru theme uses a lot of ink.
• For writing by hand, the spending log always prints at least ten blank rows, and empty reflection lines print blank. You can print at the start of a period and fill it in with a pen.

Full screen (next to the Print button) shows your spread on its own at a larger size. It's good for a monthly review on a laptop or tablet. Press Esc or select Close to exit.

Your Data and Privacy

Your budget never leaves your browser. This is the most important thing to understand about the app. It's what makes it private, and it's also why exporting a copy matters.

What stays on your device

Everything you type into the planner stays in your browser on your device:

• Budget names and dates
• Income and fixed-cost lines
• Savings goals and pillar amounts
• Every spending entry, including descriptions and amounts
• Your reflection notes
• Your design choices

None of this is sent to our servers or to anyone else. There's no account, so there's nothing for us to look up, and we can't recover a budget if it's lost.

What the website does collect

To be fully transparent, here is what the site does record:

• Anonymous usage events. The page records which actions happen, so we can see how people use the app and where they get stuck. That covers:

  • clicking a link to the app
  • starting, deleting, exporting or importing a budget
  • moving between steps
  • completing a setup step for the first time
  • logging an entry
  • changing a design option
  • printing or going full screen

  An event can include details like the budget period, the category an entry went into, the theme or font you picked, your currency, or how many budgets or entries are involved. Events never include amounts, item names, notes or budget names.

• Standard technical information. Like almost every website, our server and Google Analytics receive technical details such as your IP address and browser type when you visit.

• Advertising. Like the rest of this site, the planner page loads Google AdSense, which may use cookies to show ads. The planner does not pass your budget to Google or any ad network.

How long your data lasts

Browser storage is durable but not permanent. Your budget will be deleted if:

• you clear your browsing data, cookies or "site data" for kakeibo-templates.com
• you were using a private or incognito window and closed it
• you use Safari (including on iPhone and iPad) and don't visit the site for seven days of Safari use, because Safari removes stored website data after that
• your device runs critically low on storage and the browser frees space

It also won't appear if you open the planner in a different browser, a different browser profile or on another device.

The fix for all of these is the same: export your budgets regularly. Saving a JSON file once a week, or at the end of each period, takes seconds.

Where Your Data Is Stored

The planner saves your budgets in your browser's local storage. This is a small storage area that each browser keeps for each website, separate from cookies.

A few details about how local storage works:

• It belongs to this website only. Other websites can't read it.
• It belongs to one browser profile. Chrome, Safari, Firefox and Edge each keep their own, and so does each profile inside a browser. Budgets you make in Chrome won't appear in Safari.
• It isn't synced. Browser sync (like Chrome or Firefox Sync) copies bookmarks and passwords, not website storage. Your phone and laptop keep separate budgets.
• It isn't encrypted by the planner. The data is protected by your device login and your browser profile, just like your browsing history. Anyone who can use your browser profile can open the planner and see your budgets.
• It's small and fast. A year of detailed monthly budgets takes up a tiny fraction of the storage browsers allow.

For the technically curious: the planner stores everything under one key, kakeibo-planner-v1. You can see it in your browser's developer tools under Application → Local Storage (Chrome and Edge) or Storage → Local Storage (Firefox and Safari). Your currency choice is saved separately as a site-wide preference.

How to Stay Safe on a Shared Computer

On a shared computer, anyone who uses the same browser after you can open the planner and see your budget. That includes a family computer, work laptop, library PC or hotel business center. Use this checklist.

Before you start

1. Open a private window. Use Incognito in Chrome, InPrivate in Edge, or a Private Window in Firefox and Safari. Anything you save is deleted automatically when you close all private windows.
2. Or use your own browser profile if it's a family computer you use regularly. Your budgets then stay separate from everyone else's.

Before you leave

3. Save what you want to keep. In a private window, closing it deletes your budget. Print it, save it as a PDF, or export it first.
4. Erase your data. Select Delete in the planner toolbar, then Erase all (the button shows how many budgets will go). If you only have one budget, deleting it does the same job. Either way, everything the planner stored in that browser is removed.
5. Clean up downloaded files. Delete any exported (.json) or PDF files from the Downloads folder, then empty the Trash or Recycle Bin.
6. Collect your printouts straight away if you printed to a shared printer.
7. Close the browser completely, and sign out of the computer if it's public.

Good habits everywhere

• Treat export files like a bank statement. The export is a plain text file that anyone can open and read. Keep it in a private place, such as your own cloud storage or an encrypted folder, not in a shared drive.
• Be careful with browser extensions. Extensions that are allowed to "read and change data on all websites" can see what's on the page. Only install extensions you trust.
• Lock your screen when you step away from a device with your budget open.
• Use a device passcode on your phone and computer. Local storage is only as private as the device it's on.

Export and Import: Moving to Another Computer or Profile

Export and import let you move your budgets anywhere the planner runs, using a JSON file. Because your data lives in one browser profile, this is how you take it to a new laptop, a different browser, or another profile on the same computer. The same file doubles as your backup.

Export your budgets

1. Select Export / Import in the planner toolbar. The Export tab opens.
2. If you have more than one budget, choose All budgets or Only the one you're working on.
3. Select Download .json file. A file named like kakeibo-planner-export-2026-09-24.json is saved to your Downloads folder.

Import on the other computer or profile

1. Move the file across, for example with your own cloud storage, an email to yourself, or a USB drive.
2. Open the Free Kakeibo Budget Planner App there. On a fresh browser you'll see the welcome screen, so select Import your budgets. If you already have budgets, select Export / Import, then the Import tab.
3. Choose the file or drag it onto the drop area. The planner checks it and shows a preview of every budget it found before anything is saved.
4. Select Import. The imported budget opens straight away.

Two profiles on the same computer

No file needed. In the first profile, select Export / Import, then Copy JSON. In the second, open Import, select Paste JSON instead, paste, and select Check pasted JSON.

What happens when a budget is already there

Importing adds budgets and never wipes the others in that browser. If a budget in the file already exists (for example, you're bringing an updated copy back from your laptop), the preview marks it Already here and asks you to choose:

• Replace them with the versions from the file. Use this to sync the latest copy.
• Keep both. The imported budget is added as a copy, with "(copy)" after its name.

If the file was exported with a different currency than the one you're using, the preview offers to switch to it so your amounts keep their meaning.

What's in the export file

The export is plain, readable JSON:

{
  "format": "kakeibo-planner",
  "version": 1,
  "exportedAt": "2026-09-24T09:30:00.000Z",
  "currency": "USD",
  "budgets": [
    {
      "name": "September budget",
      "cadence": "monthly",
      "startDate": "2026-09-01",
      "income": [{ "label": "Salary", "amount": 3200 }],
      "fixed": [{ "label": "Rent", "amount": 1200 }],
      "savingsGoal": 500,
      "allocations": { "needs": 780, "wants": 390, "culture": 156, "unexpected": 234 },
      "entries": [
        { "date": "2026-09-01", "desc": "Weekly groceries", "amount": 85, "pillar": "needs" }
      ],
      "reflection": { "wentWell": "", "improve": "", "notes": "" },
      "style": { "theme": "matcha", "font": "clean", "accent": null, "paper": "plain" }
    }
  ]
}

Each budget and entry also has an internal id, which is how the planner recognizes a budget it already has. The planner checks every field when importing. If part of a file is damaged or hand-edited incorrectly, it imports what it can and tells you exactly what it left out. It also reads files saved from earlier versions of the planner.

Planner vs. Printable Template vs. Spreadsheet

	Kakeibo Budget Planner App	Printable template	Spreadsheet
Cost	Free	Free	Free
Guidance for beginners	Step-by-step tips	Instructions on the page	None built in
Does the math	Yes	No, by hand	Yes, with formulas
Custom look	Themes, fonts, colors, paper	Fixed design	Manual formatting
Where data lives	Your browser only	On paper	Your computer or cloud drive
Works across devices	With JSON export and import	Carry the paper	With cloud sync
Handwriting mindfulness	Print and fill in	Yes	No

Many people combine them. They plan the period in the planner, print the spread, and log spending by hand through the month. If you'd rather start on paper, download a printable kakeibo template. If you like formulas and cloud sync, try our kakeibo Google Sheets template.

Related Resources

• Free Kakeibo Budget Planner App: start your free budget now
• Kakeibo for Beginners: a complete first-month walkthrough
• The Four Kakeibo Categories Explained: what goes in Needs, Wants, Culture and Unexpected
• The Kakeibo Questions: the reflection questions in depth
• Kakeibo Ledger Guide: how to set up a paper ledger
• Free Kakeibo Templates: printable and digital templates in every format