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What is Patsy?
Patsy is a personal project page by a developer who goes by "coderpatsy," collecting small browser tools for incremental games. It's not a game itself or a company—it's a hub of utilities, mostly calculators and save editors, released as open-source code (MIT license unless noted) and hosted on Bitbucket.
What's there
The page lists tools grouped by the game they support:
- Kittens Game (credited to bloodrizer): a save decoder for games that compress JSON to base64 via LZString, a save editor, and calculators for catnip, unicorns, energy, and max science.
- Cookie Clicker (credited to Orteil): a cookies calculator, a save editor, and a building price calculator.
Who it's for and how it's used
These tools suit players of Kittens Game or Cookie Clicker who want to plan resource growth or edit a save file directly—for example, decoding a save to inspect or tweak values, or checking how much a building will cost before committing resources. The calculators are lightweight, single-purpose pages rather than full strategy guides.
Trade-offs
The appeal is narrow focus and transparency: the code is public and MIT-licensed, so you can read or adapt it. The limits follow from that—there's no account system, no broader game coverage, and the tools assume familiarity with each game's mechanics. Contact is by email, and the page notes PayPal, though no pricing is given for the tools themselves.
A practical next step: if you play Kittens Game and want to understand a save file, start with the save decoder before touching the editor, so you can see the structure you're modifying.
How can I decode or edit a Kittens Game save file?
For Kittens Game saves, the practical route is a browser-based decoder/editor rather than hand-editing the file. The About Patsy page lists a "Save decoder" described as a simple interface for decoding/encoding incremental game saves that compress JSON to base64 with LZString, plus a public repo of "Utilities for Kittens Game Save Editor." That matches the format Kittens Game uses, so the decoder is the natural starting point: paste the save string, read the decoded JSON, make your change, and re-encode before importing back into the game.
A workable workflow
- Back up first. Export a copy of your current save and keep it untouched. Edits are easy to get wrong, and a clean backup is the only reliable undo.
- Decode. Use the Save decoder at About Patsy to turn the compressed string into readable JSON.
- Edit conservatively. Change one value or one block at a time. Large structural edits are where saves break.
- Re-encode and import. Encode the JSON back to the compressed string, then load it in the game and confirm your change took effect before doing anything else.
Decoding vs. editing
| Task | What you need | Risk level |
|---|---|---|
| Just reading your save | A decoder alone | Low |
| Changing a resource or stat | Decoder plus careful JSON editing | Moderate |
| Bulk or repeated changes | A dedicated save editor | Higher; test on a copy |
If you only want to inspect values, decoding is enough and safe. If you plan recurring edits, a purpose-built editor saves time but deserves more caution—verify each change on a backup save.
Decision criterion
Choose the manual decode-edit-encode path when you need a single, specific change and want full control over exactly what changes. Choose an editor when you are making many adjustments and can test incrementally. Either way, the backup is what makes experimentation reversible.
What calculators are available for Kittens Game?
The About Patsy page lists four Kittens Game calculators: a Catnip Calculator, a Unicorns Calculator, an Energy Calculator, and a Max Science Calculator. It also lists a Save decoder for incremental game saves that compress JSON to base64 with LZString, which applies to Kittens Game saves but is a save utility rather than a calculator.
What each one is for
- Catnip Calculator: useful when catnip is your bottleneck, whether early on or when planning huts and fields. Typical use is checking whether your current production covers consumption plus what you want to stockpile.
- Unicorns Calculator: aimed at the unicorn and tear economy, where players usually want to know how long a target takes or how many sacrifices are needed. This is more of a mid-to-late-game concern.
- Energy Calculator: helps when you are deciding how much energy to commit and what that leaves for other production. It suits players balancing production buildings against energy demand.
- Max Science Calculator: useful for planning science caps and research pacing, especially before a run where you want to know how far a given science ceiling stretches.
Choosing between them
The page gives no descriptions, inputs or output details for any of these tools, so treat the list as a starting point rather than a feature comparison. Pick by your current constraint: if a resource is starving, start with the calculator for that resource; if you are planning a reset or a research push, the Max Science calculator is the more relevant one. All code is noted as MIT-licensed unless stated otherwise, which matters if you want to read or adapt it.
A practical next step: open the specific calculator page for your current bottleneck and note what inputs it asks for, since that reveals what the tool actually models. The save decoder is worth keeping in mind if you want to inspect a save before or after using these tools. For broader community tools and guides, the Kittens Game wiki at Kittens Game Wiki is a common reference point.
How do I use the Cookie Clicker save editor?
The page lists a Cookies Save Editor among Patsy's utilities for Cookie Clicker, alongside a cookies calculator, a buildings price calculator, and a general save decoder. The editor is aimed at players who want to inspect or adjust a save file directly rather than play through the game to reach a state.
A practical workflow
- Export your save from Cookie Clicker (Options → Export save), which gives you a long base64 string.
- Paste that string into the save editor on the site.
- Make your changes, then copy the edited string back out.
- Import it into the game via Options → Import save.
Keep a copy of the original exported string before editing. If anything goes wrong on import, the untouched string is your rollback. The separate save decoder is useful as a first step: it turns the compressed string into readable JSON so you can see exactly which fields exist before changing them.
Who this suits
| Reader | Fit |
|---|---|
| Player who wants to fix a corrupted or mis-set save | Good — direct editing beats replaying |
| Player curious how the save format works | Good — the decoder plus editor shows the structure |
| Casual player wanting a small boost | Weaker — in-game cheats and normal play are simpler |
| Anyone on a shared or borrowed browser | Avoid — don't paste saves into a session you don't control |
Trade-offs to weigh
Editing a save bypasses the game's own balancing, so achievements and progress can stop feeling earned, and some changes may not behave as expected if the game version has changed since the editor was written. The page gives no version notes, so test on a copy first.
For general guidance on the game itself, the official site is Cookie Clicker.
What Cookie Clicker calculators does this site provide?
The site lists a Cookies Calculator, a Cookies Save Editor, and a Cookies Buildings Price Calculator among its Cookie Clicker utilities. These are separate tools rather than one combined dashboard, so you pick the one matching your task.
What each tool is for
- Cookies Calculator: For estimating cookie output, such as working out how many cookies a given setup produces over time.
- Cookies Save Editor: For modifying a Cookie Clicker save file directly. The site also offers a general save decoder for incremental games that compress JSON to base64 with LZString, which is relevant if you want to inspect a save before editing it.
- Cookies Buildings Price Calculator: For planning purchases by working out what buildings will cost, useful when deciding whether to buy now or save up.
Choosing between them
| If your question is… | Use |
|---|---|
| "How many cookies will I earn?" | Cookies Calculator |
| "What will this building cost me?" | Cookies Buildings Price Calculator |
| "I want to change something in my save" | Cookies Save Editor |
The calculators are aimed at players planning progress, while the save editor suits players who want to adjust an existing run. Editing a save carries more risk than calculating: back up your file before changing it, since a corrupted save can cost you your progress.
A practical next step is to start with the Cookies Calculator to see your current output, then use the Buildings Price Calculator to judge whether your next purchase is worth the wait. The same site also hosts Kittens Game utilities, including a Catnip Calculator and Energy Calculator, if you play that game too.
What license applies to the code on this site?
The code is released under the MIT license, according to the site's own statement. The page adds a caveat: "Unless otherwise noted," so an individual project could carry different terms if it says so. The listed projects—the save decoder, the Kittens Game utilities and calculators, and the Cookie Clicker tools—fall under that general statement.
In practice, MIT means you can reuse, modify and redistribute the code, including in commercial work, provided you keep the copyright and permission notice. If you plan to bundle any of these tools into your own project, check the relevant repository for a license file first; the site points to a public repo for the Kittens Game Save Editor, and that is the place to confirm the terms for that specific code.
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