diff --git a/reflex/vars/__init__.py b/reflex/vars/__init__.py
index c81e9a9bff3..5b3e3cbbbf8 100644
--- a/reflex/vars/__init__.py
+++ b/reflex/vars/__init__.py
@@ -13,6 +13,7 @@
     var_operation,
     var_operation_return,
 )
+from .blob import BlobVar, LiteralBlobVar
 from .color import ColorVar, LiteralColorVar
 from .datetime import DateTimeVar
 from .function import FunctionStringVar, FunctionVar, VarOperationCall
@@ -20,8 +21,10 @@
 from .object import LiteralObjectVar, ObjectVar
 from .sequence import (
     ArrayVar,
+    BytesVar,
     ConcatVarOperation,
     LiteralArrayVar,
+    LiteralBytesVar,
     LiteralStringVar,
     StringVar,
 )
@@ -29,7 +32,9 @@
 __all__ = [
     "ArrayVar",
     "BaseStateMeta",
+    "BlobVar",
     "BooleanVar",
+    "BytesVar",
     "ColorVar",
     "ConcatVarOperation",
     "DateTimeVar",
@@ -38,7 +43,9 @@
     "FunctionStringVar",
     "FunctionVar",
     "LiteralArrayVar",
+    "LiteralBlobVar",
     "LiteralBooleanVar",
+    "LiteralBytesVar",
     "LiteralColorVar",
     "LiteralNumberVar",
     "LiteralObjectVar",
diff --git a/reflex/vars/base.py b/reflex/vars/base.py
index 412c0e41c70..12907b73218 100644
--- a/reflex/vars/base.py
+++ b/reflex/vars/base.py
@@ -76,10 +76,18 @@
     from reflex.constants.colors import Color
     from reflex.state import BaseState
 
+    from .blob import Blob, BlobVar, LiteralBlobVar
     from .color import LiteralColorVar
     from .number import BooleanVar, LiteralBooleanVar, LiteralNumberVar, NumberVar
     from .object import LiteralObjectVar, ObjectVar
-    from .sequence import ArrayVar, LiteralArrayVar, LiteralStringVar, StringVar
+    from .sequence import (
+        ArrayVar,
+        BytesVar,
+        LiteralArrayVar,
+        LiteralBytesVar,
+        LiteralStringVar,
+        StringVar,
+    )
 
 
 VAR_TYPE = TypeVar("VAR_TYPE", covariant=True)
@@ -655,6 +663,22 @@ def create(  # pyright: ignore [reportOverlappingOverload]
         _var_data: VarData | None = None,
     ) -> LiteralStringVar: ...
 
+    @overload
+    @classmethod
+    def create(  # pyright: ignore [reportOverlappingOverload]
+        cls,
+        value: bytes,
+        _var_data: VarData | None = None,
+    ) -> LiteralBytesVar: ...
+
+    @overload
+    @classmethod
+    def create(  # pyright: ignore [reportOverlappingOverload]
+        cls,
+        value: Blob,
+        _var_data: VarData | None = None,
+    ) -> LiteralBlobVar: ...
+
     @overload
     @classmethod
     def create(  # pyright: ignore [reportOverlappingOverload]
@@ -845,6 +869,9 @@ def guess_type(self: Var[NoReturn]) -> Var[Any]: ...  # pyright: ignore [reportO
     @overload
     def guess_type(self: Var[str]) -> StringVar: ...
 
+    @overload
+    def guess_type(self: Var[bytes | Sequence[bytes]]) -> BytesVar: ...
+
     @overload
     def guess_type(self: Var[bool]) -> BooleanVar: ...
 
@@ -1686,6 +1713,20 @@ def var_operation(
 ) -> Callable[P, StringVar]: ...
 
 
+@overload
+def var_operation(
+    func: Callable[P, CustomVarOperationReturn[bytes]]
+    | Callable[P, CustomVarOperationReturn[bytes | None]],
+) -> Callable[P, BytesVar]: ...
+
+
+@overload
+def var_operation(
+    func: Callable[P, CustomVarOperationReturn[Blob]]
+    | Callable[P, CustomVarOperationReturn[Blob | None]],
+) -> Callable[P, BlobVar]: ...
+
+
 LIST_T = TypeVar("LIST_T", bound=Sequence)
 
 
@@ -2306,6 +2347,13 @@ def __get__(
         owner: type,
     ) -> StringVar: ...
 
+    @overload
+    def __get__(
+        self: ComputedVar[bytes],
+        instance: None,
+        owner: type,
+    ) -> BytesVar: ...
+
     @overload
     def __get__(
         self: ComputedVar[MAPPING_TYPE],
@@ -3402,6 +3450,11 @@ def __get__(
         self: Field[str] | Field[str | None], instance: None, owner: Any
     ) -> StringVar: ...
 
+    @overload
+    def __get__(
+        self: Field[bytes] | Field[bytes | None], instance: None, owner: Any
+    ) -> BytesVar: ...
+
     @overload
     def __get__(
         self: Field[list[V]]
diff --git a/reflex/vars/blob.py b/reflex/vars/blob.py
new file mode 100644
index 00000000000..287d32c0c67
--- /dev/null
+++ b/reflex/vars/blob.py
@@ -0,0 +1,163 @@
+"""Blob variable types for representing JavaScript Blob objects in Reflex."""
+
+import dataclasses
+from typing import TYPE_CHECKING, TypeVar
+
+from reflex.vars.base import (
+    LiteralVar,
+    Var,
+    VarData,
+    var_operation,
+    var_operation_return,
+)
+
+if TYPE_CHECKING:
+    from reflex.vars import Var
+
+
+@dataclasses.dataclass
+class Blob:
+    """Represents a JavaScript Blob object."""
+
+    data: str | bytes = ""
+    mime_type: str = ""
+
+
+BLOB_T = TypeVar("BLOB_T", bound=bytes | str, covariant=True)
+
+
+class BlobVar(Var[BLOB_T], python_types=Blob):
+    """A variable representing a JavaScript Blob object."""
+
+    @classmethod
+    def _determine_mime_type(cls, value: str | bytes | Blob | Var) -> str:
+        mime_type = ""
+        if isinstance(value, str | bytes | Blob):
+            match value:
+                case str():
+                    mime_type = "text/plain"
+                case bytes():
+                    mime_type = "application/octet-stream"
+                case Blob():
+                    mime_type = value.mime_type
+
+        elif isinstance(value, Var):
+            if isinstance(value._var_type, str):
+                mime_type = "text/plain"
+            if isinstance(value._var_type, bytes):
+                mime_type = "application/octet-stream"
+
+        if not mime_type:
+            msg = "Unable to determine mime type for blob creation."
+            raise ValueError(msg)
+
+        return mime_type
+
+    @classmethod
+    def create(
+        cls,
+        value: str | bytes | Blob | Var,
+        mime_type: str | Var | None = None,
+        _var_data: VarData | None = None,
+    ):
+        """Create a BlobVar from the given value and MIME type.
+
+        Args:
+            value: The data to create the Blob from (string, bytes, or Var).
+            mime_type: The MIME type of the Blob (string or Var).
+            _var_data: Optional variable data.
+
+        Returns:
+            A BlobVar instance representing the JavaScript Blob object.
+        """
+        if mime_type is None:
+            mime_type = cls._determine_mime_type(value)
+
+        if not isinstance(mime_type, Var):
+            mime_type = LiteralVar.create(mime_type)
+
+        if isinstance(value, str | bytes):
+            value = LiteralVar.create(value)
+
+        elif isinstance(value, Blob):
+            value = LiteralVar.create(value.data)
+
+        if isinstance(value._var_type, bytes):
+            value = f"new Uint8Array({value})"
+
+        return cls(
+            _js_expr=f"new Blob([{value}], {{ type: {mime_type} }})",
+            _var_type=Blob,
+            _var_data=_var_data,
+        )
+
+    def create_object_url(self):
+        """Create a URL from this Blob object using window.URL.createObjectURL.
+
+        Returns:
+            A URL string representing the Blob object.
+        """
+        return create_url_from_blob_operation(self)
+
+
+@var_operation
+def create_url_from_blob_operation(value: BlobVar):
+    """Create a URL from a Blob variable using window.URL.createObjectURL.
+
+    Args:
+        value: The Blob variable to create a URL from.
+
+    Returns:
+        A URL string representing the Blob object.
+    """
+    return var_operation_return(
+        js_expression=f"window.URL.createObjectURL({value})",
+        var_type=str,
+    )
+
+
+@dataclasses.dataclass(
+    eq=False,
+    frozen=True,
+    slots=True,
+)
+class LiteralBlobVar(LiteralVar, BlobVar):
+    """A literal version of a Blob variable."""
+
+    _var_value: Blob = dataclasses.field(default_factory=Blob)
+
+    @classmethod
+    def create(
+        cls,
+        value: bytes | str | Blob,
+        mime_type: str | None = None,
+        _var_data: VarData | None = None,
+    ) -> BlobVar:
+        """Create a literal Blob variable from bytes or string data.
+
+        Args:
+            value: The data to create the Blob from (bytes or string).
+            mime_type: The MIME type of the Blob.
+            _var_data: Optional variable data.
+
+        Returns:
+            A BlobVar instance representing the Blob.
+        """
+        if not mime_type:
+            mime_type = cls._determine_mime_type(value)
+
+        if isinstance(value, Blob):
+            value = value.data
+
+        var_type = type(value)
+
+        if isinstance(value, bytes):
+            value = f"new Uint8Array({list(value)})"
+        else:
+            value = f"'{value}'"
+
+        return cls(
+            _js_expr=f"new Blob([{value}], {{ type: '{mime_type}' }})",
+            _var_type=var_type,
+            _var_data=_var_data,
+        )
diff --git a/reflex/vars/sequence.py b/reflex/vars/sequence.py
index 3824ba8760b..736e9cef798 100644
--- a/reflex/vars/sequence.py
+++ b/reflex/vars/sequence.py
@@ -33,6 +33,7 @@
     var_operation,
     var_operation_return,
 )
+from .blob import Blob
 from .number import (
     BooleanVar,
     LiteralNumberVar,
@@ -860,6 +861,45 @@ def replace(self, search_value: Any, new_value: Any) -> StringVar:  # pyright: i
 
         return string_replace_operation(self, search_value, new_value)
 
+    def encode(self, encoding: StringVar | str = "utf-8"):
+        """Encode the string to bytes using the specified encoding.
+
+        Args:
+            encoding: The character encoding to use. Defaults to "utf-8".
+
+        Returns:
+            The encoded bytes.
+        """
+        return string_encode_operation(self, encoding)
+
+    def to_blob(self, mime_type: StringVar | str = "text/plain"):
+        """Convert the string to a Blob object.
+
+        Args:
+            mime_type: The MIME type of the blob. Defaults to "text/plain".
+
+        Returns:
+            A Blob object containing the string data.
+        """
+        return blob_object_create_operation(self, mime_type=mime_type)
+
+
+@var_operation
+def string_encode_operation(value: StringVar[Any] | str, encoding: StringVar | str):
+    """Encode a string to bytes using the specified encoding.
+
+    Args:
+        value: The string to encode.
+        encoding: The character encoding to use.
+
+    Returns:
+        The encoded bytes.
+    """
+    return var_operation_return(
+        f"(new TextEncoder({encoding})).encode({value})",
+        var_type=bytes,
+    )
+
 
 @var_operation
 def string_lt_operation(lhs: StringVar[Any] | str, rhs: StringVar[Any] | str):
@@ -1287,6 +1327,120 @@ def json(self) -> str:
         return json.dumps(self._var_value)
 
 
+class BytesVar(Var[bytes], python_types=bytes):
+    """A variable that represents Python bytes as JavaScript Uint8Array."""
+
+    @classmethod
+    def create(
+        cls, value: str | bytes, _var_data: VarData | None = None
+    ) -> LiteralBytesVar:
+        """Create a BytesVar from a string or bytes value.
+
+        Args:
+            value: The string or bytes value to create the var from.
+            _var_data: Additional hooks and imports associated with the Var.
+
+        Returns:
+            A LiteralBytesVar representing the bytes value.
+        """
+        if isinstance(value, str):
+            value = value.encode()
+        return LiteralVar.create(value, _var_data=_var_data)
+
+    def decode(self, encoding: StringVar | str = "utf-8"):
+        """Decode bytes to a string using the specified encoding.
+
+        Args:
+            encoding: The character encoding to use for decoding. Defaults to "utf-8".
+
+        Returns:
+            A StringVar containing the decoded string.
+        """
+        return bytes_decode_operation(self, encoding)
+
+    def to_blob(self, mime_type: StringVar | str = "application/octet-stream"):
+        """Convert the bytes to a Blob object.
+
+        Args:
+            mime_type: The MIME type of the blob. Defaults to "application/octet-stream".
+
+        Returns:
+            A Blob object containing the bytes data.
+        """
+        return blob_object_create_operation(self, mime_type=mime_type)
+
+
+@var_operation
+def bytes_decode_operation(value: BytesVar, encoding: StringVar | str):
+    """Decode bytes to a string using the specified encoding.
+
+    Args:
+        value: The BytesVar to decode.
+        encoding: The character encoding to use for decoding.
+
+    Returns:
+        A StringVar containing the decoded string.
+    """
+    return var_operation_return(
+        f"(new TextDecoder({encoding})).decode(new Uint8Array({value}))",
+        var_type=str,
+    )
+
+
+@dataclasses.dataclass(
+    eq=False,
+    frozen=True,
+    slots=True,
+)
+class LiteralBytesVar(LiteralVar, BytesVar):
+    """A literal version of BytesVar."""
+
+    _var_value: bytes = dataclasses.field(default=b"")
+
+    @classmethod
+    def create(cls, value: bytes, _var_data: VarData | None = None) -> BytesVar:
+        """Create a LiteralBytesVar from a bytes value.
+
+        Args:
+            value: The bytes value to create the variable from.
+            _var_data: Additional variable data, by default None.
+
+        Returns:
+            A literal bytes variable representing the given bytes value.
+        """
+        return cls(
+            _js_expr=f"new Uint8Array({list(value)})",
+            _var_type=bytes,
+            _var_data=_var_data,
+            _var_value=value,
+        )
+
+
+@var_operation
+def blob_object_create_operation(
+    value: StringVar[Any] | BytesVar,
+    mime_type: StringVar[Any] | str,
+) -> CustomVarOperationReturn[Blob]:
+    """Create a Blob object from string or bytes data.
+
+    Args:
+        value: The string or bytes data to convert to a Blob.
+        mime_type: The MIME type of the blob.
+
+    Returns:
+        A Blob object containing the data.
+    """
+    if isinstance(value, BytesVar):
+        return var_operation_return(
+            js_expression=f"new Blob([new Uint8Array({value})], {{ type: {mime_type} }})",
+            var_type=Blob,
+        )
+    return var_operation_return(
+        js_expression=f"new Blob([{value}], {{ type: {mime_type} }})",
+        var_type=Blob,
+    )
+
+
 @dataclasses.dataclass(
     eq=False,
     frozen=True,