diff --git a/channel.go b/channel.go
index 971e4bd..d05233c 100644
--- a/channel.go
+++ b/channel.go
@@ -25,9 +25,9 @@ type Channel struct {
 	OwnerId            string      `json:"owner"`
 	Description        string      `json:"description"`
 	Icon               *Attachment `json:"icon"`
-	DefaultPermissions int         `json:"default_permissions"`
+	DefaultPermissions uint        `json:"default_permissions"`
 	RolePermissions    interface{} `json:"role_permissions"`
-	Permissions        int         `json:"permissions"`
+	Permissions        uint        `json:"permissions"`
 }
 
 // Fetched messages struct.
diff --git a/permissions.go b/permissions.go
new file mode 100644
index 0000000..9c31dce
--- /dev/null
+++ b/permissions.go
@@ -0,0 +1,74 @@
+package revoltgo
+
+// Permissions struct
+type Permissions struct {
+	Bitvise     uint
+	Mode        string // can ben CHANNEL, SERVER or USER
+	Permissions map[string]uint
+}
+
+// Init all of the perms for channel.
+func (p *Permissions) InitChannel() {
+	p.Permissions = map[string]uint{
+		"VIEW":            1 << 0,
+		"SEND_MESSAGE":    1 << 1,
+		"MANAGE_MESSAGES": 1 << 2,
+		"MANAGE_CHANNEL":  1 << 3,
+		"VOICE_CALL":      1 << 4,
+		"INVITE_OTHERS":   1 << 5,
+		"EMBED_LINKS":     1 << 6,
+		"UPLOAD_FILES":    1 << 7,
+	}
+	p.Mode = "CHANNEL"
+}
+
+// Init all of the perms for user.
+func (p *Permissions) InitUser() {
+	p.Permissions = map[string]uint{
+		"ACCESS":       1 << 0,
+		"VIEW_PROFILE": 1 << 1,
+		"SEND_MESSAGE": 1 << 2,
+		"INVITE":       1 << 3,
+	}
+	p.Mode = "USER"
+}
+
+// Init all of the perms for server.
+func (p *Permissions) InitServer() {
+	p.Permissions = map[string]uint{
+		"VIEW":            1 << 0,
+		"MANAGE_ROLES":    1 << 1,
+		"MANAGE_CHANNELS": 1 << 2,
+		"MANAGE_SERVER":   1 << 3,
+		"KICK_MEMBERS":    1 << 4,
+		"BAN_MEMBERS":     1 << 5,
+		// 6 bits of space
+		"CHANGE_NICKNAME":  1 << 12,
+		"CHANGE_NICKNAMES": 1 << 13,
+		"CHANGE_AVATAR":    1 << 14,
+		"REMOVE_AVATARS":   1 << 15,
+	}
+	p.Mode = "SERVER"
+}
+
+// Calculate if bitvise has permission
+func (p Permissions) Has(perm string) bool {
+	if value, ok := p.Permissions[perm]; ok {
+		return p.Bitvise&value != 0
+	}
+
+	return false
+}
+
+// Calculate perms and return unsigned int.
+func (p Permissions) Calculate(perms ...string) uint {
+	var total uint
+
+	for _, perm := range perms {
+		if value, ok := p.Permissions[perm]; ok {
+			total = total | value
+		}
+	}
+
+	return total
+}