diff --git a/packages/frontend/src/lib/ui/FileUpload.svelte b/packages/frontend/src/lib/ui/FileUpload.svelte
index ea7db4d..afddf86 100644
--- a/packages/frontend/src/lib/ui/FileUpload.svelte
+++ b/packages/frontend/src/lib/ui/FileUpload.svelte
@@ -8,19 +8,20 @@
 	export let label: string = ''
 	export let files: FileDTO[] = []
 
-	function fileToDTO(file: File): FileDTO {
+	async function fileToDTO(file: File): Promise<FileDTO> {
 		return {
 			name: file.name,
 			size: file.size,
 			type: file.type,
-			contents: file,
+			contents: new Uint8Array(await file.arrayBuffer()),
 		}
 	}
 
 	async function onInput(e: Event) {
 		const input = e.target as HTMLInputElement
 		if (input?.files?.length) {
-			files = [...files, ...Array.from(input.files).map(fileToDTO)]
+			const toAdd = await Promise.all(Array.from(input.files).map(fileToDTO))
+			files = [...files, ...toAdd]
 		}
 	}
 
diff --git a/packages/frontend/src/lib/ui/ShowNote.svelte b/packages/frontend/src/lib/ui/ShowNote.svelte
index f5fda15..5065c8f 100644
--- a/packages/frontend/src/lib/ui/ShowNote.svelte
+++ b/packages/frontend/src/lib/ui/ShowNote.svelte
@@ -3,7 +3,7 @@
 </script>
 
 <script lang="ts">
-	import DOMPurify from 'dompurify'
+	import * as DOMPurify from 'dompurify'
 	import { saveAs } from 'file-saver'
 	import prettyBytes from 'pretty-bytes'
 	import { t } from 'svelte-intl-precompile'
diff --git a/packages/frontend/src/lib/utils.ts b/packages/frontend/src/lib/utils.ts
index 0c6a7c1..6969208 100644
--- a/packages/frontend/src/lib/utils.ts
+++ b/packages/frontend/src/lib/utils.ts
@@ -1,4 +1,4 @@
-import copyToClipboard from 'copy-to-clipboard'
+import * as copyToClipboard from 'copy-to-clipboard'
 import { t } from 'svelte-intl-precompile'
 import { get } from 'svelte/store'
 
diff --git a/packages/frontend/tsconfig.json b/packages/frontend/tsconfig.json
index 864b3af..af36f43 100644
--- a/packages/frontend/tsconfig.json
+++ b/packages/frontend/tsconfig.json
@@ -1,7 +1,6 @@
 {
 	"extends": "./.svelte-kit/tsconfig.json",
 	"compilerOptions": {
-		"strict": true,
-		"allowSyntheticDefaultImports": true
+		"strict": true
 	}
 }
diff --git a/packages/shared/src/adapters.ts b/packages/shared/src/adapters.ts
index 7c8291f..e35b972 100644
--- a/packages/shared/src/adapters.ts
+++ b/packages/shared/src/adapters.ts
@@ -15,14 +15,15 @@ class CryptTextAdapter implements CryptAdapter<string> {
   }
 }
 
-class CryptBlobAdapter implements CryptAdapter<Blob> {
-  async encrypt(plaintext: Blob, key: TypedArray) {
-    return await AES.encrypt(new Uint8Array(await plaintext.arrayBuffer()), key)
+class CryptBlobAdapter implements CryptAdapter<TypedArray> {
+  async encrypt(plaintext: TypedArray, key: TypedArray) {
+    return await AES.encrypt(plaintext, key)
   }
 
   async decrypt(ciphertext: string, key: TypedArray) {
-    const plaintext = await AES.decrypt(ciphertext, key)
-    return new Blob([plaintext], { type: 'application/octet-stream' })
+    return await AES.decrypt(ciphertext, key)
+    // const plaintext = await AES.decrypt(ciphertext, key)
+    // return new Blob([plaintext], { type: 'application/octet-stream' })
   }
 }
 
diff --git a/packages/shared/src/api.ts b/packages/shared/src/api.ts
index 3ab0d3a..fe65566 100644
--- a/packages/shared/src/api.ts
+++ b/packages/shared/src/api.ts
@@ -1,3 +1,5 @@
+import type { TypedArray } from 'occulto'
+
 export type NoteMeta = { type: 'text' | 'file' }
 
 export type Note = {
@@ -11,7 +13,7 @@ export type NotePublic = Pick<Note, 'contents' | 'meta'>
 export type NoteCreate = Omit<Note, 'meta'> & { meta: string }
 
 export type FileDTO = Pick<File, 'name' | 'size' | 'type'> & {
-  contents: Blob
+  contents: TypedArray
 }
 
 export type EncryptedFileDTO = Omit<FileDTO, 'contents'> & {
diff --git a/packages/shared/tsconfig.json b/packages/shared/tsconfig.json
index 91f6355..8032071 100644
--- a/packages/shared/tsconfig.json
+++ b/packages/shared/tsconfig.json
@@ -1,103 +1,12 @@
 {
   "compilerOptions": {
-    /* Visit https://aka.ms/tsconfig to read more about this file */
-
-    /* Projects */
-    "incremental": true /* Save .tsbuildinfo files to allow for incremental compilation of projects. */,
-    "composite": true /* Enable constraints that allow a TypeScript project to be used with project references. */,
-    // "tsBuildInfoFile": "./.tsbuildinfo",              /* Specify the path to .tsbuildinfo incremental compilation file. */
-    // "disableSourceOfProjectReferenceRedirect": true,  /* Disable preferring source files instead of declaration files when referencing composite projects. */
-    // "disableSolutionSearching": true,                 /* Opt a project out of multi-project reference checking when editing. */
-    // "disableReferencedProjectLoad": true,             /* Reduce the number of projects loaded automatically by TypeScript. */
-
-    /* Language and Environment */
-    "target": "es2022" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
-    // "lib": [],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
-    // "jsx": "preserve",                                /* Specify what JSX code is generated. */
-    // "experimentalDecorators": true,                   /* Enable experimental support for TC39 stage 2 draft decorators. */
-    // "emitDecoratorMetadata": true,                    /* Emit design-type metadata for decorated declarations in source files. */
-    // "jsxFactory": "",                                 /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'. */
-    // "jsxFragmentFactory": "",                         /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */
-    // "jsxImportSource": "",                            /* Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'. */
-    // "reactNamespace": "",                             /* Specify the object invoked for 'createElement'. This only applies when targeting 'react' JSX emit. */
-    // "noLib": true,                                    /* Disable including any library files, including the default lib.d.ts. */
-    // "useDefineForClassFields": true,                  /* Emit ECMAScript-standard-compliant class fields. */
-    // "moduleDetection": "auto",                        /* Control what method is used to detect module-format JS files. */
-
-    /* Modules */
-    "module": "es2022" /* Specify what module code is generated. */,
-    "rootDir": "./src" /* Specify the root folder within your source files. */,
-    "moduleResolution": "node" /* Specify how TypeScript looks up a file from a given module specifier. */,
-    // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
-    // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
-    // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */
-    // "typeRoots": [],                                  /* Specify multiple folders that act like './node_modules/@types'. */
-    // "types": [],                                      /* Specify type package names to be included without being referenced in a source file. */
-    // "allowUmdGlobalAccess": true,                     /* Allow accessing UMD globals from modules. */
-    // "moduleSuffixes": [],                             /* List of file name suffixes to search when resolving a module. */
-    // "resolveJsonModule": true,                        /* Enable importing .json files. */
-    // "noResolve": true,                                /* Disallow 'import's, 'require's or '<reference>'s from expanding the number of files TypeScript should add to a project. */
-
-    /* JavaScript Support */
-    // "allowJs": true,                                  /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
-    // "checkJs": true,                                  /* Enable error reporting in type-checked JavaScript files. */
-    // "maxNodeModuleJsDepth": 1,                        /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
-
-    /* Emit */
-    // "declaration": true,                              /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
-    // "declarationMap": true,                           /* Create sourcemaps for d.ts files. */
-    // "emitDeclarationOnly": true,                      /* Only output d.ts files and not JavaScript files. */
-    // "sourceMap": true,                                /* Create source map files for emitted JavaScript files. */
-    // "outFile": "./",                                  /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */
-    "outDir": "./dist" /* Specify an output folder for all emitted files. */,
-    // "removeComments": true,                           /* Disable emitting comments. */
-    // "noEmit": true,                                   /* Disable emitting files from a compilation. */
-    // "importHelpers": true,                            /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
-    // "importsNotUsedAsValues": "remove",               /* Specify emit/checking behavior for imports that are only used for types. */
-    // "downlevelIteration": true,                       /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
-    // "sourceRoot": "",                                 /* Specify the root path for debuggers to find the reference source code. */
-    // "mapRoot": "",                                    /* Specify the location where debugger should locate map files instead of generated locations. */
-    // "inlineSourceMap": true,                          /* Include sourcemap files inside the emitted JavaScript. */
-    // "inlineSources": true,                            /* Include source code in the sourcemaps inside the emitted JavaScript. */
-    // "emitBOM": true,                                  /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */
-    // "newLine": "crlf",                                /* Set the newline character for emitting files. */
-    // "stripInternal": true,                            /* Disable emitting declarations that have '@internal' in their JSDoc comments. */
-    // "noEmitHelpers": true,                            /* Disable generating custom helper functions like '__extends' in compiled output. */
-    // "noEmitOnError": true,                            /* Disable emitting files if any type checking errors are reported. */
-    // "preserveConstEnums": true,                       /* Disable erasing 'const enum' declarations in generated code. */
-    // "declarationDir": "./",                           /* Specify the output directory for generated declaration files. */
-    // "preserveValueImports": true,                     /* Preserve unused imported values in the JavaScript output that would otherwise be removed. */
-
-    /* Interop Constraints */
-    // "isolatedModules": true,                          /* Ensure that each file can be safely transpiled without relying on other imports. */
-    // "allowSyntheticDefaultImports": true,             /* Allow 'import x from y' when a module doesn't have a default export. */
-    "esModuleInterop": true /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */,
-    // "preserveSymlinks": true,                         /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
-    "forceConsistentCasingInFileNames": true /* Ensure that casing is correct in imports. */,
-
-    /* Type Checking */
-    "strict": true /* Enable all strict type-checking options. */,
-    // "noImplicitAny": true,                            /* Enable error reporting for expressions and declarations with an implied 'any' type. */
-    // "strictNullChecks": true,                         /* When type checking, take into account 'null' and 'undefined'. */
-    // "strictFunctionTypes": true,                      /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
-    // "strictBindCallApply": true,                      /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */
-    // "strictPropertyInitialization": true,             /* Check for class properties that are declared but not set in the constructor. */
-    // "noImplicitThis": true,                           /* Enable error reporting when 'this' is given the type 'any'. */
-    // "useUnknownInCatchVariables": true,               /* Default catch clause variables as 'unknown' instead of 'any'. */
-    // "alwaysStrict": true,                             /* Ensure 'use strict' is always emitted. */
-    // "noUnusedLocals": true,                           /* Enable error reporting when local variables aren't read. */
-    // "noUnusedParameters": true,                       /* Raise an error when a function parameter isn't read. */
-    // "exactOptionalPropertyTypes": true,               /* Interpret optional property types as written, rather than adding 'undefined'. */
-    // "noImplicitReturns": true,                        /* Enable error reporting for codepaths that do not explicitly return in a function. */
-    // "noFallthroughCasesInSwitch": true,               /* Enable error reporting for fallthrough cases in switch statements. */
-    // "noUncheckedIndexedAccess": true,                 /* Add 'undefined' to a type when accessed using an index. */
-    // "noImplicitOverride": true,                       /* Ensure overriding members in derived classes are marked with an override modifier. */
-    // "noPropertyAccessFromIndexSignature": true,       /* Enforces using indexed accessors for keys declared using an indexed type. */
-    // "allowUnusedLabels": true,                        /* Disable error reporting for unused labels. */
-    // "allowUnreachableCode": true,                     /* Disable error reporting for unreachable code. */
-
-    /* Completeness */
-    // "skipDefaultLibCheck": true,                      /* Skip type checking .d.ts files that are included with TypeScript. */
-    "skipLibCheck": true /* Skip type checking all .d.ts files. */
+    "incremental": true,
+    "composite": true,
+    "target": "es2022",
+    "module": "es2022",
+    "rootDir": "./src",
+    "moduleResolution": "node",
+    "outDir": "./dist",
+    "strict": true
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index db4d1b2..36e00b6 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -46,6 +46,9 @@ importers:
       '@types/mime':
         specifier: ^3.0.1
         version: 3.0.1
+      '@types/node':
+        specifier: ^18.16.1
+        version: 18.16.1
       esbuild:
         specifier: ^0.17.18
         version: 0.17.18