diff --git a/apps/sim/app/api/knowledge/[id]/documents/route.test.ts b/apps/sim/app/api/knowledge/[id]/documents/route.test.ts
index c27bec231d5..61a702cc721 100644
--- a/apps/sim/app/api/knowledge/[id]/documents/route.test.ts
+++ b/apps/sim/app/api/knowledge/[id]/documents/route.test.ts
@@ -376,7 +376,7 @@ describe('Knowledge Base Documents API Route', () => {
         ],
         processingOptions: {
           chunkSize: 50, // Invalid: too small
-          minCharactersPerChunk: 10, // Invalid: too small
+          minCharactersPerChunk: 0, // Invalid: too small
           recipe: 'default',
           lang: 'en',
           chunkOverlap: 1000, // Invalid: too large
diff --git a/apps/sim/app/api/knowledge/[id]/documents/route.ts b/apps/sim/app/api/knowledge/[id]/documents/route.ts
index c3b14ac4a79..4c9813a02e2 100644
--- a/apps/sim/app/api/knowledge/[id]/documents/route.ts
+++ b/apps/sim/app/api/knowledge/[id]/documents/route.ts
@@ -295,7 +295,7 @@ const BulkCreateDocumentsSchema = z.object({
   documents: z.array(CreateDocumentSchema),
   processingOptions: z.object({
     chunkSize: z.number().min(100).max(4000),
-    minCharactersPerChunk: z.number().min(50).max(2000),
+    minCharactersPerChunk: z.number().min(1).max(2000),
     recipe: z.string(),
     lang: z.string(),
     chunkOverlap: z.number().min(0).max(500),
diff --git a/apps/sim/app/api/knowledge/route.test.ts b/apps/sim/app/api/knowledge/route.test.ts
index 97218d77c01..0d3d81fcd1a 100644
--- a/apps/sim/app/api/knowledge/route.test.ts
+++ b/apps/sim/app/api/knowledge/route.test.ts
@@ -168,7 +168,7 @@ describe('Knowledge Base API Route', () => {
       expect(data.data.embeddingDimension).toBe(1536)
       expect(data.data.chunkingConfig).toEqual({
         maxSize: 1024,
-        minSize: 100,
+        minSize: 1,
         overlap: 200,
       })
     })
diff --git a/apps/sim/app/api/knowledge/route.ts b/apps/sim/app/api/knowledge/route.ts
index 0f73ea5bf0e..a4f5b2dd084 100644
--- a/apps/sim/app/api/knowledge/route.ts
+++ b/apps/sim/app/api/knowledge/route.ts
@@ -18,12 +18,12 @@ const CreateKnowledgeBaseSchema = z.object({
   chunkingConfig: z
     .object({
       maxSize: z.number().min(100).max(4000).default(1024),
-      minSize: z.number().min(50).max(2000).default(100),
+      minSize: z.number().min(1).max(2000).default(1),
       overlap: z.number().min(0).max(500).default(200),
     })
     .default({
       maxSize: 1024,
-      minSize: 100,
+      minSize: 1,
       overlap: 200,
     })
     .refine((data) => data.minSize < data.maxSize, {
diff --git a/apps/sim/app/api/knowledge/utils.ts b/apps/sim/app/api/knowledge/utils.ts
index 4e9b1a158b2..448f6f53d10 100644
--- a/apps/sim/app/api/knowledge/utils.ts
+++ b/apps/sim/app/api/knowledge/utils.ts
@@ -531,7 +531,8 @@ export async function processDocumentAsync(
           docData.filename,
           docData.mimeType,
           processingOptions.chunkSize || 1000,
-          processingOptions.chunkOverlap || 200
+          processingOptions.chunkOverlap || 200,
+          processingOptions.minCharactersPerChunk || 1
         )
 
         const now = new Date()
diff --git a/apps/sim/app/workspace/[workspaceId]/knowledge/[id]/components/upload-modal/upload-modal.tsx b/apps/sim/app/workspace/[workspaceId]/knowledge/[id]/components/upload-modal/upload-modal.tsx
index ccb474fd94a..0ebb3273bc1 100644
--- a/apps/sim/app/workspace/[workspaceId]/knowledge/[id]/components/upload-modal/upload-modal.tsx
+++ b/apps/sim/app/workspace/[workspaceId]/knowledge/[id]/components/upload-modal/upload-modal.tsx
@@ -142,7 +142,7 @@ export function UploadModal({
     try {
       await uploadFiles(files, knowledgeBaseId, {
         chunkSize: chunkingConfig?.maxSize || 1024,
-        minCharactersPerChunk: chunkingConfig?.minSize || 100,
+        minCharactersPerChunk: chunkingConfig?.minSize || 1,
         chunkOverlap: chunkingConfig?.overlap || 200,
         recipe: 'default',
       })
diff --git a/apps/sim/app/workspace/[workspaceId]/knowledge/components/create-modal/create-modal.tsx b/apps/sim/app/workspace/[workspaceId]/knowledge/components/create-modal/create-modal.tsx
index 5eece7b5af9..273a3c54198 100644
--- a/apps/sim/app/workspace/[workspaceId]/knowledge/components/create-modal/create-modal.tsx
+++ b/apps/sim/app/workspace/[workspaceId]/knowledge/components/create-modal/create-modal.tsx
@@ -50,7 +50,7 @@ const FormSchema = z
     description: z.string().max(500, 'Description must be less than 500 characters').optional(),
     minChunkSize: z
       .number()
-      .min(50, 'Min chunk size must be at least 50')
+      .min(1, 'Min chunk size must be at least 1')
       .max(2000, 'Min chunk size must be less than 2000'),
     maxChunkSize: z
       .number()
@@ -115,7 +115,7 @@ export function CreateModal({ open, onOpenChange, onKnowledgeBaseCreated }: Crea
     defaultValues: {
       name: '',
       description: '',
-      minChunkSize: 100,
+      minChunkSize: 1,
       maxChunkSize: 1024,
       overlapSize: 200,
     },
@@ -299,7 +299,7 @@ export function CreateModal({ open, onOpenChange, onKnowledgeBaseCreated }: Crea
       reset({
         name: '',
         description: '',
-        minChunkSize: 100,
+        minChunkSize: 1,
         maxChunkSize: 1024,
         overlapSize: 200,
       })
@@ -423,7 +423,7 @@ export function CreateModal({ open, onOpenChange, onKnowledgeBaseCreated }: Crea
                         <Input
                           id='minChunkSize'
                           type='number'
-                          placeholder='100'
+                          placeholder='1'
                           {...register('minChunkSize', { valueAsNumber: true })}
                           className={errors.minChunkSize ? 'border-red-500' : ''}
                           autoComplete='off'
diff --git a/apps/sim/app/workspace/[workspaceId]/knowledge/hooks/use-knowledge-upload.ts b/apps/sim/app/workspace/[workspaceId]/knowledge/hooks/use-knowledge-upload.ts
index 99dae058688..57894ee62a9 100644
--- a/apps/sim/app/workspace/[workspaceId]/knowledge/hooks/use-knowledge-upload.ts
+++ b/apps/sim/app/workspace/[workspaceId]/knowledge/hooks/use-knowledge-upload.ts
@@ -278,7 +278,7 @@ export function useKnowledgeUpload(options: UseKnowledgeUploadOptions = {}) {
         })),
         processingOptions: {
           chunkSize: processingOptions.chunkSize || 1024,
-          minCharactersPerChunk: processingOptions.minCharactersPerChunk || 100,
+          minCharactersPerChunk: processingOptions.minCharactersPerChunk || 1,
           chunkOverlap: processingOptions.chunkOverlap || 200,
           recipe: processingOptions.recipe || 'default',
           lang: 'en',
diff --git a/apps/sim/lib/documents/chunker.ts b/apps/sim/lib/documents/chunker.ts
index e93b2f1f8e7..d24680cc342 100644
--- a/apps/sim/lib/documents/chunker.ts
+++ b/apps/sim/lib/documents/chunker.ts
@@ -57,7 +57,7 @@ export class TextChunker {
 
   constructor(options: ChunkerOptions = {}) {
     this.chunkSize = options.chunkSize ?? 512
-    this.minChunkSize = options.minChunkSize ?? 50
+    this.minChunkSize = options.minChunkSize ?? 1
     this.overlap = options.overlap ?? 0
   }
 
diff --git a/apps/sim/lib/documents/docs-chunker.ts b/apps/sim/lib/documents/docs-chunker.ts
index feaf40efb85..192124109d8 100644
--- a/apps/sim/lib/documents/docs-chunker.ts
+++ b/apps/sim/lib/documents/docs-chunker.ts
@@ -25,7 +25,7 @@ export class DocsChunker {
     // Use the existing TextChunker for chunking logic
     this.textChunker = new TextChunker({
       chunkSize: options.chunkSize ?? 300, // Max 300 tokens per chunk
-      minChunkSize: options.minChunkSize ?? 100,
+      minChunkSize: options.minChunkSize ?? 1,
       overlap: options.overlap ?? 50,
     })
     // Use localhost docs in development, production docs otherwise
diff --git a/apps/sim/lib/documents/document-processor.ts b/apps/sim/lib/documents/document-processor.ts
index 1b7639ba4c4..add31c177f0 100644
--- a/apps/sim/lib/documents/document-processor.ts
+++ b/apps/sim/lib/documents/document-processor.ts
@@ -61,7 +61,8 @@ export async function processDocument(
   filename: string,
   mimeType: string,
   chunkSize = 1000,
-  chunkOverlap = 200
+  chunkOverlap = 200,
+  minChunkSize = 1
 ): Promise<{
   chunks: Chunk[]
   metadata: {
@@ -85,6 +86,7 @@ export async function processDocument(
     const chunker = new TextChunker({
       chunkSize,
       overlap: chunkOverlap,
+      minChunkSize,
     })
 
     const chunks = await chunker.chunk(content)
diff --git a/apps/sim/tools/knowledge/create_document.ts b/apps/sim/tools/knowledge/create_document.ts
index 7b7716f665e..0e48cc2805d 100644
--- a/apps/sim/tools/knowledge/create_document.ts
+++ b/apps/sim/tools/knowledge/create_document.ts
@@ -107,8 +107,8 @@ export const knowledgeCreateDocumentTool: ToolConfig<any, KnowledgeCreateDocumen
       if (/[<>:"/\\|?*]/.test(documentName)) {
         throw new Error('Document name contains invalid characters. Avoid: < > : " / \\ | ? *')
       }
-      if (!textContent || textContent.length < 10) {
-        throw new Error('Document content must be at least 10 characters long')
+      if (!textContent || textContent.length < 1) {
+        throw new Error('Document content cannot be empty')
       }
       if (textContent.length > 1000000) {
         throw new Error('Document content exceeds maximum size of 1MB')
@@ -157,7 +157,7 @@ export const knowledgeCreateDocumentTool: ToolConfig<any, KnowledgeCreateDocumen
         documents: documents,
         processingOptions: {
           chunkSize: 1024,
-          minCharactersPerChunk: 100,
+          minCharactersPerChunk: 1,
           chunkOverlap: 200,
           recipe: 'default',
           lang: 'en',