Configuring permissions for a Discord bot usually involves checking boxes in the server settings. But some advanced bot setups require you to enter a raw integer number to define the bot’s permission set. This integer, called a bitfield, is a compact way to represent which permissions are enabled and which are disabled. If you are setting up a self-hosted bot or using a third-party dashboard that asks for a permissions integer, you need to understand how to calculate it. This article explains what a permission bitfield is, how to use an online calculator to generate the correct integer, and how to apply it to your Discord bot.
Key Takeaways: Discord Bot Permission Bitfield Calculator
- Discord Developer Portal > Application > Bot > Privileged Gateway Intents: Enable required intents before setting permissions.
- Discord Permission Calculator website (discordapi.com/permissions): Select permissions to generate the correct integer bitfield.
- OAuth2 Scope: bot and permissions integer: Combine scope and integer in the OAuth2 URL to invite the bot with exact permissions.
What Is a Discord Bot Permission Bitfield?
Discord assigns each permission a unique power-of-two value. For example, the Send Messages permission has the value 2048, and Manage Messages has 8192. When you enable multiple permissions, Discord adds those values together to create a single integer. That integer is the bitfield. The bot reads this integer and knows exactly which permissions it has.
Using a bitfield instead of individual checkboxes saves space in the bot’s code and in the OAuth2 URL. When you invite a bot through the Discord OAuth2 flow, the permissions parameter in the URL contains this integer. The bot then uses that integer to request the exact permissions it needs.
Permission Values You Need to Know
Each permission corresponds to a specific integer value. Here are the most common ones used for bots:
- Send Messages: 2048
- Manage Messages: 8192
- Read Message History: 65536
- Connect (Voice): 1048576
- Speak (Voice): 2097152
- Mute Members (Voice): 4194304
- Deafen Members (Voice): 8388608
- Move Members (Voice): 16777216
- Use Voice Activity: 33554432
- Priority Speaker: 256
- Add Reactions: 64
- Attach Files: 32768
- Embed Links: 16384
- Read Messages: 1024
If you need a full list, visit the Discord Developer Documentation page for permissions. The bitfield integer is simply the sum of all the values for the permissions you want to enable.
Steps to Calculate the Permission Bitfield Using an Online Calculator
Manually adding permission values is error-prone. An online permission calculator does the math for you and generates the correct integer. Follow these steps to get the exact bitfield for your bot.
- Open the Discord Permission Calculator
Go to the Discord Permission Calculator website atdiscordapi.com/permissions. This is the official tool provided by Discord for generating permission integers. - Select the Permissions Your Bot Needs
Check the boxes for every permission your bot requires. For example, if your bot reads messages and sends replies, check Read Messages and Send Messages. If it manages channels, check Manage Channels. Do not select permissions your bot does not use. Over-permissioning can be a security risk. - Copy the Generated Integer
At the bottom of the calculator, you will see a number labeled Bitfield. This is the integer you need. Click the Copy button or highlight the number and press Ctrl+C on your keyboard. - Use the Integer in the OAuth2 URL
Open the Discord Developer Portal. Select your application. Go to the OAuth2 page. Under URL Generator, check the bot scope. Then paste the integer you copied into the Permissions field. The generated URL will now include the correctpermissionsparameter. Use this URL to invite your bot to a server. - Verify the Permissions in Your Server
After the bot joins, go to your server settings. Open Server Settings > Roles. Find the role assigned to your bot. The permissions you selected should be enabled. If any permission is missing, double-check the integer you entered and re-invite the bot with the corrected URL.
If the Bitfield Integer Does Not Work as Expected
Even with the correct integer, you may encounter permission issues. Here are common problems and their fixes.
Bot Cannot Send Messages in a Specific Channel
The bot may have the Send Messages permission at the server level, but the channel might have overrides that block it. Go to the channel settings. Open Permissions for the channel. Check if the bot’s role has a red X next to Send Messages. If yes, change it to a green checkmark. The channel override takes priority over the server-level permission.
Bot Cannot Read Message History
If your bot needs to read past messages, you must enable the Read Message History permission. This permission has the value 65536. If you did not include it in the bitfield, the bot will only see new messages sent after it comes online. Recalculate the bitfield with this permission included and re-invite the bot.
Bot Cannot Manage Roles
The Manage Roles permission (value 268435456) allows the bot to create and assign roles. But the bot cannot assign a role that is higher than its own highest role. Move the bot’s role above the roles it needs to manage in the server role list. The bot’s role must be placed higher in the hierarchy.
Discord Bot Permission Bitfield Calculator: Manual vs Online
| Item | Manual Calculation | Online Calculator |
|---|---|---|
| Ease of use | Requires adding multiple numbers manually | Select checkboxes and copy the integer |
| Error rate | High — easy to miss a permission or add incorrectly | Low — tool does the math |
| Speed | Slow for more than three permissions | Instant result |
| Permission list | Must look up each value from documentation | All permissions listed with descriptions |
| URL generation | Must manually build the OAuth2 URL | Generates full URL with scope and permissions |
The online calculator is the recommended method for all users. It reduces mistakes and saves time. Manual calculation is only useful if you need to understand how the bitfield works internally.
You can now generate the correct permission integer for your Discord bot using the online calculator. Use the integer in the OAuth2 URL to invite the bot with exactly the permissions it needs. For advanced bots, consider using the Administrator permission (value 8) only if the bot truly requires full control. Over-permissioning can lead to security issues if the bot is compromised. Always grant the minimum permissions required for your bot to function.