diff --git a/package.json b/package.json
index 9ec6148..b25e9e7 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
   "dependencies": {
     "@fontsource-variable/jetbrains-mono": "^5.1.1",
     "@monaco-editor/react": "^4.6.0",
+    "clsx": "^2.1.1",
     "framer-motion": "^11.11.10",
     "normalize.css": "^8.0.1",
     "react": "^18.3.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f67c85f..88a04db 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -14,6 +14,9 @@ importers:
       '@monaco-editor/react':
         specifier: ^4.6.0
         version: 4.6.0(monaco-editor@0.52.0)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)
+      clsx:
+        specifier: ^2.1.1
+        version: 2.1.1
       framer-motion:
         specifier: ^11.11.10
         version: 11.11.10(@emotion/is-prop-valid@1.2.2)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)
@@ -702,6 +705,10 @@ packages:
     resolution: {integrity: sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==}
     engines: {node: '>=10'}
 
+  clsx@2.1.1:
+    resolution: {integrity: sha512-eYm0QWBtUrBWZWG0d386OGAw16Z995PiOVo2B7bjWSbHedGl5e0ZWaq65kOGgUSNesEIDkB9ISbTg/JK9dhCZA==}
+    engines: {node: '>=6'}
+
   color-convert@2.0.1:
     resolution: {integrity: sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==}
     engines: {node: '>=7.0.0'}
@@ -1859,6 +1866,8 @@ snapshots:
       ansi-styles: 4.3.0
       supports-color: 7.2.0
 
+  clsx@2.1.1: {}
+
   color-convert@2.0.1:
     dependencies:
       color-name: 1.1.4
diff --git a/src/Components/Button.tsx b/src/Components/Button.tsx
index 09efb0f..e3c4834 100644
--- a/src/Components/Button.tsx
+++ b/src/Components/Button.tsx
@@ -8,11 +8,14 @@ export const Button = styled.button`
   background-color: #ff1696;
   color: white;
 
+  transition: background-color 0.25s ease-out;
+
   &:hover {  
     background-color: #da1c9b;
   }
 
-  &:placeholder {
-    color: gray;
+  &:disabled {
+    background-color: gray;
+    cursor: inherit;
   }
 `
diff --git a/src/TransformGrid/index.tsx b/src/TransformGrid/index.tsx
index d82ae65..b4c413b 100644
--- a/src/TransformGrid/index.tsx
+++ b/src/TransformGrid/index.tsx
@@ -3,11 +3,11 @@ import { motion } from "framer-motion";
 
 import style from './style.module.scss'
 import { TransformGridItem } from "../TransformGridItem";
-import { transforms } from "../Transforms/Transform";
+import { transforms, wrapTransform } from "../Transforms/Transform";
 
 export const TransformGrid: FC = () =>
   <ul className={style.grid}>
-    {transforms.map((v, i) =>
+    {transforms.map((transform, i) =>
       <motion.li
         key={i}
         initial={{ opacity: 0 }}
@@ -15,7 +15,7 @@ export const TransformGrid: FC = () =>
         transition={{ delay: i * 0.1 + 1.5 }} >
 
         <TransformGridItem
-          transform={v}/>
+          transform={wrapTransform(transform)}/>
 
       </motion.li>
     )}
diff --git a/src/TransformGrid/style.module.scss b/src/TransformGrid/style.module.scss
index e4706ca..958b3ab 100644
--- a/src/TransformGrid/style.module.scss
+++ b/src/TransformGrid/style.module.scss
@@ -1,7 +1,9 @@
 .grid {
   padding: 10px;
+
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
+  align-content: flex-start;
   
   gap: 10px;
   height: 100%;
diff --git a/src/TransformGridItem/index.tsx b/src/TransformGridItem/index.tsx
index 8d1795c..8e25b47 100644
--- a/src/TransformGridItem/index.tsx
+++ b/src/TransformGridItem/index.tsx
@@ -1,30 +1,94 @@
-import { FC } from "react";
+import { ChangeEvent, FC, useState } from "react";
 import style from './style.module.scss'
 import { Button } from "../Components/Button";
 import { Input } from "../Components/Input";
 import { TextArea } from "../Components/TextArea";
-import { Transform } from "../Transforms/Transform";
+import { TransformCheckboxOption, TransformOption, TransformTextboxOption, WrappedTransform } from "../Transforms/Transform";
+import { useRecoilState } from "recoil";
+import { EditorValueState } from "../GlobalStates/EditorValueState";
+import clsx from "clsx";
 
 interface TransformGridItemProp {
-  transform: Transform
+  transform: WrappedTransform
 }
 
 export const TransformGridItem: FC<TransformGridItemProp> = ({ transform }) => {
+  const [value, setValue] = useRecoilState(EditorValueState)
+  const [options, setOptions] = useState(new Map<string, TransformOption>())
+
+  const result = transform.fn(value, options)
+
+  const onCheckboxOptionChanged =
+    (option: TransformCheckboxOption) =>
+    (event: ChangeEvent<HTMLInputElement>) => {
+    
+    options.set(option.key, {
+      ...option,
+      value: event.target.checked
+    })
+
+    setOptions(new Map(options))
+  }
+
+  
+  const onTextboxOptionChanged =
+    (option: TransformTextboxOption) =>
+    (event: ChangeEvent<HTMLInputElement>) => {
+    
+    options.set(option.key, {
+      ...option,
+      value: event.target.value
+    })
+
+    setOptions(new Map(options))
+  }
+
+  const onForwardButtonPressed = () => {
+    if (result.error)
+      return
+
+    setValue(result.value)
+  }
+
   return (
     <div className={style.item}>
       <div className={style.toolbar}>
-        <Button>&lt;&lt;&lt;</Button>
+        <Button disabled={result.error} onClick={onForwardButtonPressed}>
+          &lt;&lt;&lt;
+        </Button>
+        
         <h2 className={style.name}>{transform.name}</h2>
         
         <div className={style.options}>
-          <label className={style.optionItem}>hello: <Input type="checkbox" /></label>
-          <label className={style.optionItem}>hello: <Input type="text" /></label>
-          <label className={style.optionItem}>hello: <Input type="checkbox" /></label>
-          <label className={style.optionItem}>hello: <Input type="checkbox" /></label>
+          {transform.options
+            ?.filter((option) => option.type === 'CHECKBOX')
+            .map((option, i) => (
+              <label key={i} className={style.optionItem}>
+                <p>{option.label ?? option.key}:</p>
+
+                <Input
+                  onChange={onCheckboxOptionChanged(option)}
+                  type="checkbox" />
+              </label>))}
+          
+          {transform.options
+            ?.filter((option) => option.type === 'TEXTBOX')
+            .map((option, i) => (
+              <label key={i} className={style.optionItem}>
+                <p>{option.label ?? option.key}:</p>
+
+                <Input
+                  onChange={onTextboxOptionChanged(option)}
+                  type="checkbox" />
+              </label>))}
         </div>
       </div>
 
-      <TextArea placeholder="(empty)" className={style.input} />
+      <TextArea
+        value={result.value}
+        readOnly
+        placeholder="(empty)"
+        className={clsx(result.error && style.error)} />
     </div>
   )
 }
diff --git a/src/TransformGridItem/style.module.scss b/src/TransformGridItem/style.module.scss
index 4208148..433ce2d 100644
--- a/src/TransformGridItem/style.module.scss
+++ b/src/TransformGridItem/style.module.scss
@@ -4,7 +4,7 @@
   display: flex;
   padding: 10px;
   flex-direction: column;
-  min-height: 300px;
+  min-height: 250px;
 
   .toolbar {
     display: flex;
@@ -16,7 +16,7 @@
 
     .name {
       font-size: inherit;
-      padding: 14px 0px;
+      padding: 14px 6px;
     }
 
     .options {
@@ -32,7 +32,12 @@
 
       .optionItem {
         display: flex;
+        gap: 6px;
       }
     }
   }
+  
+  .error {
+    color: #ffcaca;
+  }
 }
diff --git a/src/Transforms/Base64DecodeTransform.ts b/src/Transforms/Base64DecodeTransform.ts
deleted file mode 100644
index dc89f6a..0000000
--- a/src/Transforms/Base64DecodeTransform.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-import { Transform } from "./Transform";
-
-export const Base64DecodeTransform: Transform = {
-  name: 'base64d',
-  fn: () => 'Hello, world!'
-}
diff --git a/src/Transforms/Base64Transforms.ts b/src/Transforms/Base64Transforms.ts
new file mode 100644
index 0000000..4b88fb9
--- /dev/null
+++ b/src/Transforms/Base64Transforms.ts
@@ -0,0 +1,11 @@
+import { Transform } from "./Transform";
+
+export const Base64DecodeTransform: Transform = {
+  name: 'base64d',
+  fn: (v) => btoa(v)
+}
+
+export const Base64EncodeTransform: Transform = {
+  name: 'base64e',
+  fn: (v) => atob(v)
+}
diff --git a/src/Transforms/Transform.ts b/src/Transforms/Transform.ts
index 30c15ed..85f4f29 100644
--- a/src/Transforms/Transform.ts
+++ b/src/Transforms/Transform.ts
@@ -1,12 +1,59 @@
-import { Base64DecodeTransform } from "./Base64DecodeTransform"
+import { Base64DecodeTransform, Base64EncodeTransform } from "./Base64Transforms"
+import { URIDecodeTransform, URIEncodeTransform } from "./URITransforms"
+
+export interface TransformCheckboxOption {
+  type: 'CHECKBOX',
+  key: string,
+  label?: string,
+  value?: boolean
+}
+
+
+export interface TransformTextboxOption {
+  type: 'TEXTBOX',
+  key: string,
+  label?: string,
+  value?: string
+}
+
+export type TransformOption = 
+  TransformCheckboxOption | TransformTextboxOption
 
 export interface Transform {
   name: string
-  fn: () => string
+  fn: (value: string, options: Map<string, TransformOption>) => string
+  options?: TransformOption[]
 }
 
+export interface WrappedTransform extends Omit<Transform, 'fn'> {
+  wrapped: true,
+  fn: (value: string, options: Map<string, TransformOption>) => {
+    error: boolean,
+    value: string
+  }
+}
+
+export const wrapTransform = (transform: Transform): WrappedTransform => ({
+  ...transform,
+  fn: (...args) => {
+    try {
+      return {
+        error: false,
+        value: transform.fn(...args)
+      }
+    } catch (err: any) {
+      return {
+        error: true,
+        value: err.toString()
+      }
+    }
+  },
+  wrapped: true
+})
+
 export const transforms: Transform[] = [
   Base64DecodeTransform,
-  Base64DecodeTransform,
-  Base64DecodeTransform,
+  Base64EncodeTransform,
+  URIDecodeTransform,
+  URIEncodeTransform
 ]
diff --git a/src/Transforms/URITransforms.ts b/src/Transforms/URITransforms.ts
new file mode 100644
index 0000000..a09340a
--- /dev/null
+++ b/src/Transforms/URITransforms.ts
@@ -0,0 +1,29 @@
+import { Transform } from "./Transform";
+
+export const URIDecodeTransform: Transform = {
+  name: 'urid',
+
+  fn: (v, o) =>
+    o.get('cmp')?.value === true
+      ? decodeURIComponent(v)
+      : decodeURI(v),
+
+  options: [{
+    type: 'CHECKBOX',
+    key: 'cmp'
+  }]
+}
+
+export const URIEncodeTransform: Transform = {
+  name: 'urie',
+  
+  fn: (v, o) =>
+    o.get('cmp')?.value === true
+      ? encodeURIComponent(v)
+      : encodeURI(v),
+
+  options: [{
+    type: 'CHECKBOX',
+    key: 'cmp'
+  }]
+}