diff --git a/kernel/go.mod b/kernel/go.mod
index 2f0a4e97d..fbc17c621 100644
--- a/kernel/go.mod
+++ b/kernel/go.mod
@@ -64,6 +64,11 @@ require (
 	golang.org/x/text v0.12.0
 )
 
+require (
+	github.com/jolestar/go-commons-pool/v2 v2.1.2 // indirect
+	github.com/tetratelabs/wazero v1.3.1 // indirect
+)
+
 require (
 	dmitri.shuralyov.com/font/woff2 v0.0.0-20180220214647-957792cbbdab // indirect
 	github.com/JalfResi/justext v0.0.0-20170829062021-c0282dea7198 // indirect
@@ -111,6 +116,7 @@ require (
 	github.com/juju/errors v1.0.0 // indirect
 	github.com/klauspost/compress v1.16.7 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.5 // indirect
+	github.com/klippa-app/go-pdfium v1.6.0
 	github.com/leodido/go-urn v1.2.4 // indirect
 	github.com/levigross/exp-html v0.0.0-20120902181939-8df60c69a8f5 // indirect
 	github.com/lufia/plan9stats v0.0.0-20230326075908-cb1d2100619a // indirect
diff --git a/kernel/go.sum b/kernel/go.sum
index 9fd28e9dd..3771bac46 100644
--- a/kernel/go.sum
+++ b/kernel/go.sum
@@ -173,6 +173,7 @@ github.com/fatih/set v0.2.1 h1:nn2CaJyknWE/6txyUDGwysr3G5QC6xWB/PtVjPBbeaA=
 github.com/fatih/set v0.2.1/go.mod h1:+RKtMCH+favT2+3YecHGxcc0b4KyVWA1QWWJUs4E0CI=
 github.com/flopp/go-findfont v0.1.0 h1:lPn0BymDUtJo+ZkV01VS3661HL6F4qFlkhcJN55u6mU=
 github.com/flopp/go-findfont v0.1.0/go.mod h1:wKKxRDjD024Rh7VMwoU90i6ikQRCr+JTHB5n4Ejkqvw=
+github.com/fortytw2/leaktest v1.3.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHquHwclZch5g=
 github.com/frankban/quicktest v1.14.4 h1:g2rn0vABPOOXmZUj+vbmUp0lPoXEMuhTpIluN0XL9UY=
 github.com/fsnotify/fsnotify v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4HY=
 github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw=
@@ -354,6 +355,8 @@ github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9Y
 github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
 github.com/jmespath/go-jmespath/internal/testify v1.5.1 h1:shLQSRRSCCPj3f2gpwzGwWFoC7ycTf1rcQZHOlsJ6N8=
 github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
+github.com/jolestar/go-commons-pool/v2 v2.1.2 h1:E+XGo58F23t7HtZiC/W6jzO2Ux2IccSH/yx4nD+J1CM=
+github.com/jolestar/go-commons-pool/v2 v2.1.2/go.mod h1:r4NYccrkS5UqP1YQI1COyTZ9UjPJAAGTUxzcsK1kqhY=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
@@ -373,6 +376,8 @@ github.com/klauspost/cpuid v1.2.0/go.mod h1:Pj4uuM528wm8OyEC2QMXAi2YiTZ96dNQPGgo
 github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
 github.com/klauspost/cpuid/v2 v2.2.5 h1:0E5MSMDEoAulmXNFquVs//DdoomxaoTY1kUhbc/qbZg=
 github.com/klauspost/cpuid/v2 v2.2.5/go.mod h1:Lcz8mBdAVJIBVzewtcLocK12l3Y+JytZYpaMropDUws=
+github.com/klippa-app/go-pdfium v1.6.0 h1:swz+bKYsrRSuPrczot2cE/FoR/1h13R8CjBOv2RcDm4=
+github.com/klippa-app/go-pdfium v1.6.0/go.mod h1:Lh8U8bQ+Idxz3e89+0u59j64YTPaO3G5JbvRImVqIio=
 github.com/knz/go-libedit v1.10.1/go.mod h1:MZTVkCWyz0oBc7JOWP3wNAzd002ZbM/5hgShxwh4x8M=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
@@ -538,6 +543,8 @@ github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcU
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/studio-b12/gowebdav v0.9.0 h1:1j1sc9gQnNxbXXM4M/CebPOX4aXYtr7MojAVcN4dHjU=
 github.com/studio-b12/gowebdav v0.9.0/go.mod h1:bHA7t77X/QFExdeAnDzK6vKM34kEZAcE1OX4MfiwjkE=
+github.com/tetratelabs/wazero v1.3.1 h1:rnb9FgOEQRLLR8tgoD1mfjNjMhFeWRUk+a4b4j/GpUM=
+github.com/tetratelabs/wazero v1.3.1/go.mod h1:wYx2gNRg8/WihJfSDxA1TIL8H+GkfLYm+bIfbblu9VQ=
 github.com/tklauser/go-sysconf v0.3.11 h1:89WgdJhk5SNwJfu+GKyYveZ4IaJ7xAkecBo+KdJV0CM=
 github.com/tklauser/go-sysconf v0.3.11/go.mod h1:GqXfhXY3kiPa0nAXPDIQIWzJbMCB7AmcWpGR8lSZfqI=
 github.com/tklauser/numcpus v0.6.0/go.mod h1:FEZLMke0lhOUG6w2JadTzp0a+Nl8PF/GFkQ5UVIcaL4=
diff --git a/kernel/model/asset_content.go b/kernel/model/asset_content.go
index 622139168..34230845e 100644
--- a/kernel/model/asset_content.go
+++ b/kernel/model/asset_content.go
@@ -24,11 +24,14 @@ import (
 	"strconv"
 	"strings"
 	"sync"
+	"time"
 
 	"code.sajari.com/docconv"
 	"github.com/88250/gulu"
 	"github.com/88250/lute/ast"
 	"github.com/dustin/go-humanize"
+	"github.com/klippa-app/go-pdfium/requests"
+	"github.com/klippa-app/go-pdfium/webassembly"
 	"github.com/siyuan-note/eventbus"
 	"github.com/siyuan-note/filelock"
 	"github.com/siyuan-note/logging"
@@ -416,6 +419,7 @@ func NewAssetsSearcher() *AssetsSearcher {
 			".docx":     &DocxAssetParser{},
 			".pptx":     &PptxAssetParser{},
 			".xlsx":     &XlsxAssetParser{},
+			".pdf":      &PdfAssetParser{},
 		},
 
 		lock: &sync.Mutex{},
@@ -604,3 +608,98 @@ func (parser *XlsxAssetParser) Parse(absPath string) (ret *AssetParseResult) {
 	}
 	return
 }
+
+// PdfAssetParser parser factory product
+type PdfAssetParser struct {
+}
+
+// Parse will parse a PDF document using PDFium webassembly module
+func (parser *PdfAssetParser) Parse(absPath string) (ret *AssetParseResult) {
+	if !strings.HasSuffix(strings.ToLower(absPath), ".pdf") {
+		return
+	}
+
+	if !gulu.File.IsExist(absPath) {
+		return
+	}
+
+	tmp := copyTempAsset(absPath)
+	if "" == tmp {
+		return
+	}
+	defer os.RemoveAll(tmp)
+
+	f, err := os.Open(tmp)
+	if nil != err {
+		logging.LogErrorf("open [%s] failed: [%s]", tmp, err)
+		return
+	}
+	defer f.Close()
+
+	stat, err := f.Stat()
+	if nil != err {
+		logging.LogErrorf("open [%s] failed: [%s]", tmp, err)
+		return
+	}
+
+	// initialize pdfium with one worker
+	pool, err := webassembly.Init(webassembly.Config{
+		MinIdle:  1,
+		MaxIdle:  1,
+		MaxTotal: 1,
+	})
+	if err != nil {
+		logging.LogErrorf("convert [%s] failed: [%s]", tmp, err)
+		return
+	}
+	defer pool.Close()
+
+	instance, err := pool.GetInstance(time.Second * 30)
+	if err != nil {
+		logging.LogErrorf("convert [%s] failed: [%s]", tmp, err)
+		return
+	}
+	defer instance.Close()
+
+	// get number of pages inside PDF document
+	doc, err := instance.OpenDocument(&requests.OpenDocument{
+		FileReader:     f,
+		FileReaderSize: stat.Size(),
+	})
+	if err != nil {
+		logging.LogErrorf("convert [%s] failed: [%s]", tmp, err)
+		return
+	}
+	defer instance.FPDF_CloseDocument(&requests.FPDF_CloseDocument{
+		Document: doc.Document,
+	})
+
+	pageCount, err := instance.FPDF_GetPageCount(&requests.FPDF_GetPageCount{Document: doc.Document})
+	if err != nil {
+		logging.LogErrorf("convert [%s] failed: [%s]", tmp, err)
+		return
+	}
+	// loop through pages and get content
+	content := ""
+	for page := 0; page < pageCount.PageCount; page++ {
+		req := &requests.GetPageText{
+			Page: requests.Page{
+				ByIndex: &requests.PageByIndex{
+					Document: doc.Document,
+					Index:    page,
+				},
+			},
+		}
+		pt, err := instance.GetPageText(req)
+		if err != nil {
+			logging.LogErrorf("convert [%s] failed: [%s]", tmp, err)
+			return
+		}
+		content += " " + normalizeAssetContent(pt.Text)
+	}
+
+	ret = &AssetParseResult{
+		Content: content,
+	}
+	return
+}
diff --git a/kernel/model/asset_content_test.go b/kernel/model/asset_content_test.go
new file mode 100644
index 000000000..7af59ed18
--- /dev/null
+++ b/kernel/model/asset_content_test.go
@@ -0,0 +1,13 @@
+package model
+
+import (
+	"testing"
+)
+
+func TestPDFParser(t *testing.T) {
+	p := &PdfAssetParser{}
+	res := p.Parse("../../testdata/parsertest.pdf")
+	if res == nil || res.Content == "" {
+		t.Fatalf("empty or nil PDF content result")
+	}
+}
diff --git a/testdata/parsertest.pdf b/testdata/parsertest.pdf
new file mode 100644
index 000000000..1d731130f
Binary files /dev/null and b/testdata/parsertest.pdf differ