diff --git a/api/binary-compatibility-validator.api b/api/binary-compatibility-validator.api
index 0c836a5d..39b16068 100644
--- a/api/binary-compatibility-validator.api
+++ b/api/binary-compatibility-validator.api
@@ -141,16 +141,21 @@ public final class kotlinx/validation/api/klib/KlibDump {
 	public final fun copy ()Lkotlinx/validation/api/klib/KlibDump;
 	public final fun getTargets ()Ljava/util/Set;
 	public final fun merge (Ljava/io/File;Ljava/lang/String;)V
+	public final fun merge (Ljava/lang/CharSequence;Ljava/lang/String;)V
 	public final fun merge (Lkotlinx/validation/api/klib/KlibDump;)V
 	public static synthetic fun merge$default (Lkotlinx/validation/api/klib/KlibDump;Ljava/io/File;Ljava/lang/String;ILjava/lang/Object;)V
+	public static synthetic fun merge$default (Lkotlinx/validation/api/klib/KlibDump;Ljava/lang/CharSequence;Ljava/lang/String;ILjava/lang/Object;)V
 	public final fun remove (Ljava/lang/Iterable;)V
+	public final fun replace (Lkotlinx/validation/api/klib/KlibDump;)V
 	public final fun retain (Ljava/lang/Iterable;)V
-	public final fun saveTo (Ljava/lang/Appendable;)V
+	public final fun saveTo (Ljava/lang/Appendable;)Ljava/lang/Appendable;
 }
 
 public final class kotlinx/validation/api/klib/KlibDump$Companion {
 	public final fun from (Ljava/io/File;Ljava/lang/String;)Lkotlinx/validation/api/klib/KlibDump;
+	public final fun from (Ljava/lang/CharSequence;Ljava/lang/String;)Lkotlinx/validation/api/klib/KlibDump;
 	public static synthetic fun from$default (Lkotlinx/validation/api/klib/KlibDump$Companion;Ljava/io/File;Ljava/lang/String;ILjava/lang/Object;)Lkotlinx/validation/api/klib/KlibDump;
+	public static synthetic fun from$default (Lkotlinx/validation/api/klib/KlibDump$Companion;Ljava/lang/CharSequence;Ljava/lang/String;ILjava/lang/Object;)Lkotlinx/validation/api/klib/KlibDump;
 	public final fun fromKlib (Ljava/io/File;Ljava/lang/String;Lkotlinx/validation/api/klib/KlibDumpFilters;)Lkotlinx/validation/api/klib/KlibDump;
 	public static synthetic fun fromKlib$default (Lkotlinx/validation/api/klib/KlibDump$Companion;Ljava/io/File;Ljava/lang/String;Lkotlinx/validation/api/klib/KlibDumpFilters;ILjava/lang/Object;)Lkotlinx/validation/api/klib/KlibDump;
 }
@@ -186,7 +191,7 @@ public final class kotlinx/validation/api/klib/KlibDumpKt {
 	public static synthetic fun inferAbi$default (Lkotlinx/validation/api/klib/KlibTarget;Ljava/lang/Iterable;Lkotlinx/validation/api/klib/KlibDump;ILjava/lang/Object;)Lkotlinx/validation/api/klib/KlibDump;
 	public static final fun mergeFromKlib (Lkotlinx/validation/api/klib/KlibDump;Ljava/io/File;Ljava/lang/String;Lkotlinx/validation/api/klib/KlibDumpFilters;)V
 	public static synthetic fun mergeFromKlib$default (Lkotlinx/validation/api/klib/KlibDump;Ljava/io/File;Ljava/lang/String;Lkotlinx/validation/api/klib/KlibDumpFilters;ILjava/lang/Object;)V
-	public static final fun saveTo (Lkotlinx/validation/api/klib/KlibDump;Ljava/io/File;)V
+	public static final fun saveTo (Lkotlinx/validation/api/klib/KlibDump;Ljava/io/File;)Ljava/io/File;
 }
 
 public final class kotlinx/validation/api/klib/KlibSignatureVersion : java/io/Serializable {
diff --git a/src/main/kotlin/api/klib/KlibDump.kt b/src/main/kotlin/api/klib/KlibDump.kt
index 2b8f35c4..740682ac 100644
--- a/src/main/kotlin/api/klib/KlibDump.kt
+++ b/src/main/kotlin/api/klib/KlibDump.kt
@@ -6,7 +6,6 @@
 package kotlinx.validation.api.klib
 
 import kotlinx.validation.ExperimentalBCVApi
-import org.jetbrains.kotlin.ir.backend.js.MainModule
 import java.io.File
 import java.io.FileNotFoundException
 
@@ -38,8 +37,7 @@ import java.io.FileNotFoundException
  * ```kotlin
  * val mergedDump = KlibDump.from(File("/path/to/merged.klib.api"))
  * val newTargetDump = KlibDump.fromKlib(File("/path/to/library-linuxX64.klib"))
- * mergedDump.remove(newTargetDump.targets)
- * mergedDump.merge(newTargetDump)
+ * mergedDump.replace(newTargetDump)
  * mergedDump.saveTo(File("/path/to/merged.klib.api"))
  * ```
  */
@@ -72,6 +70,7 @@ public class KlibDump {
      * @throws IllegalArgumentException if [dumpFile] contains multiple targets
      * and [configurableTargetName] is not null.
      * @throws IllegalArgumentException if [dumpFile] is not a file.
+     * @throws IllegalArgumentException if [dumpFile] is empty.
      * @throws FileNotFoundException if [dumpFile] does not exist.
      *
      * @sample samples.KlibDumpSamples.mergeDumps
@@ -82,6 +81,29 @@ public class KlibDump {
         merger.merge(dumpFile, configurableTargetName)
     }
 
+    /**
+     * Reads a textual KLib dump from the [dump] char sequence and merges it into this dump.
+     *
+     * If a dump contains only a single target, it's possible to specify a custom configurable target name.
+     * Please refer to [KlibTarget.configurableName] for more details on the meaning of that name.
+     *
+     * By default, [configurableTargetName] is null and information about a target will be taken directly from
+     * the loaded dump.
+     *
+     * It's an error to specify non-null [configurableTargetName] for a dump containing multiple targets.
+     * It's also an error to merge dumps having some targets in common.
+     *
+     * @throws IllegalArgumentException if this dump and the provided [dump] shares same targets.
+     * @throws IllegalArgumentException if the provided [dump] contains multiple targets
+     * and [configurableTargetName] is not null.
+     * @throws IllegalArgumentException if the provided [dump] is empty.
+     *
+     * @sample samples.KlibDumpSamples.updateMergedDump
+     */
+    public fun merge(dump: CharSequence, configurableTargetName: String? = null) {
+        merger.merge(dump.lineSequence().iterator(), configurableTargetName)
+    }
+
     /**
      * Merges [other] dump with this one.
      *
@@ -101,6 +123,19 @@ public class KlibDump {
         merger.merge(other.merger)
     }
 
+    /**
+     * Removes the targets from this dump that are contained in the [other] targets set and all their declarations.
+     * Then merges the [other] dump with this one.
+     *
+     * The operation does not modify [other].
+     *
+     * @sample samples.KlibDumpSamples.updateMergedDump
+     */
+    public fun replace(other: KlibDump) {
+        remove(other.targets)
+        merge(other)
+    }
+
     /**
      * Removes all declarations that do not belong to specified targets and removes these targets from the dump.
      *
@@ -134,10 +169,13 @@ public class KlibDump {
     /**
      * Serializes the dump and writes it to [to].
      *
+     * @return the target [to] where the dump was written.
+     *
      * @sample samples.KlibDumpSamples.mergeDumps
      */
-    public fun saveTo(to: Appendable) {
+    public fun <A : Appendable> saveTo(to: A): A {
         merger.dump(to)
+        return to
     }
 
     public companion object {
@@ -166,6 +204,28 @@ public class KlibDump {
             return KlibDump().apply { merge(dumpFile, configurableTargetName) }
         }
 
+        /**
+         * Reads a dump from a textual form.
+         *
+         * If a dump contains only a single target, it's possible to specify a custom configurable target name.
+         * Please refer to [KlibTarget.configurableName] for more details on the meaning of that name.
+         *
+         * By default, [configurableTargetName] is null and information about a target will be taken directly from
+         * the loaded dump.
+         *
+         * It's an error to specify non-null [configurableTargetName] for a dump containing multiple targets.
+         *
+         * @throws IllegalArgumentException if this dump and the provided [dump] shares same targets.
+         * @throws IllegalArgumentException if the provided [dump] contains multiple targets
+         * and [configurableTargetName] is not null.
+         * @throws IllegalArgumentException if the provided [dump] is empty.
+         *
+         * @sample samples.KlibDumpSamples.updateMergedDump
+         */
+        public fun from(dump: CharSequence, configurableTargetName: String? = null): KlibDump {
+            return KlibDump().apply { merge(dump, configurableTargetName) }
+        }
+
         /**
          * Dumps a public ABI of a klib represented by [klibFile] using [filters]
          * and returns a [KlibDump] representing it.
@@ -278,6 +338,8 @@ public fun KlibDump.mergeFromKlib(
 
 /**
  * Serializes the dump and writes it to [file].
+ *
+ * @return the target [file].
  */
 @ExperimentalBCVApi
-public fun KlibDump.saveTo(file: File): Unit = file.bufferedWriter().use { saveTo(it) }
+public fun KlibDump.saveTo(file: File): File = file.apply { bufferedWriter().use { saveTo(it) } }
diff --git a/src/test/kotlin/samples/KlibDumpSamples.kt b/src/test/kotlin/samples/KlibDumpSamples.kt
index 0f5f48fd..42acd153 100644
--- a/src/test/kotlin/samples/KlibDumpSamples.kt
+++ b/src/test/kotlin/samples/KlibDumpSamples.kt
@@ -20,7 +20,7 @@ class KlibDumpSamples {
     @Rule
     var tempFolder = TemporaryFolder()
 
-    fun createDumpWithContent(content: String): File {
+    fun createDumpFileWithContent(content: String): File {
         val file = tempFolder.newFile()
         file.writer().use {
             it.write(content)
@@ -31,7 +31,7 @@ class KlibDumpSamples {
     @OptIn(ExperimentalBCVApi::class)
     @Test
     fun mergeDumps() {
-        val linuxX64Dump = createDumpWithContent("""
+        val linuxX64Dump = createDumpFileWithContent("""
             // Rendering settings:
             // - Signature version: 2
             // - Show manifest properties: false
@@ -51,7 +51,7 @@ class KlibDumpSamples {
             final fun org.example/ShardedClass(kotlin/Int, kotlin/Float, kotlin/Long): org.example/ShardedClass // org.example/ShardedClass|ShardedClass(kotlin.Int;kotlin.Float;kotlin.Long){}[0]
         """.trimIndent())
 
-        val linuxArm64Dump = createDumpWithContent("""
+        val linuxArm64Dump = createDumpFileWithContent("""
             // Rendering settings:
             // - Signature version: 2
             // - Show manifest properties: false
@@ -103,7 +103,7 @@ class KlibDumpSamples {
     @OptIn(ExperimentalBCVApi::class)
     @Test
     fun mergeDumpObjects() {
-        val linuxX64Dump = createDumpWithContent("""
+        val linuxX64Dump = createDumpFileWithContent("""
             // Rendering settings:
             // - Signature version: 2
             // - Show manifest properties: false
@@ -123,7 +123,7 @@ class KlibDumpSamples {
             final fun org.example/ShardedClass(kotlin/Int, kotlin/Float, kotlin/Long): org.example/ShardedClass // org.example/ShardedClass|ShardedClass(kotlin.Int;kotlin.Float;kotlin.Long){}[0]
         """.trimIndent())
 
-        val linuxArm64Dump = createDumpWithContent("""
+        val linuxArm64Dump = createDumpFileWithContent("""
             // Rendering settings:
             // - Signature version: 2
             // - Show manifest properties: false
@@ -193,11 +193,108 @@ class KlibDumpSamples {
             """.trimIndent(), filteredDumpContent)
     }
 
+    @OptIn(ExperimentalBCVApi::class)
+    @Test
+    fun updateMergedDump() {
+        val linuxX64Dump = """
+            // Rendering settings:
+            // - Signature version: 2
+            // - Show manifest properties: false
+            // - Show declarations: true
+
+            // Library unique name: <org.example:bcv-klib-test>
+            // Platform: NATIVE
+            // Native targets: linux_x64
+            // Compiler version: 1.9.22
+            // ABI version: 1.8.0
+            final class org.example/ShardedClass { // org.example/ShardedClass|null[0]
+                final val value // org.example/ShardedClass.value|{}value[0]
+                    final fun <get-value>(): kotlin/Int // org.example/ShardedClass.value.<get-value>|<get-value>(){}[0]
+                constructor <init>(kotlin/Int) // org.example/ShardedClass.<init>|<init>(kotlin.Int){}[0]
+                final fun add(kotlin/Int): kotlin/Int // org.example/ShardedClass.add|add(kotlin.Int){}[0]
+            }
+            final fun org.example/ShardedClass(kotlin/Int, kotlin/Float, kotlin/Long): org.example/ShardedClass // org.example/ShardedClass|ShardedClass(kotlin.Int;kotlin.Float;kotlin.Long){}[0]
+        """.trimIndent()
+
+        val linuxArm64Dump = """
+            // Rendering settings:
+            // - Signature version: 2
+            // - Show manifest properties: false
+            // - Show declarations: true
+
+            // Library unique name: <org.example:bcv-klib-test>
+            // Platform: NATIVE
+            // Native targets: linux_arm64
+            // Compiler version: 1.9.22
+            // ABI version: 1.8.0
+            final class org.example/ShardedClass { // org.example/ShardedClass|null[0]
+                final val value // org.example/ShardedClass.value|{}value[0]
+                    final fun <get-value>(): kotlin/Int // org.example/ShardedClass.value.<get-value>|<get-value>(){}[0]
+                constructor <init>(kotlin/Int) // org.example/ShardedClass.<init>|<init>(kotlin.Int){}[0]
+                final fun add(kotlin/Int): kotlin/Int // org.example/ShardedClass.add|add(kotlin.Int){}[0]
+            }
+        """.trimIndent()
+
+        val mergedDump = KlibDump()
+        mergedDump.merge(KlibDump.from(linuxArm64Dump))
+        mergedDump.merge(KlibDump.from(linuxX64Dump, configurableTargetName = "linuxX86_64"))
+
+        val newLinuxX64Dump = """
+            // Rendering settings:
+            // - Signature version: 2
+            // - Show manifest properties: false
+            // - Show declarations: true
+
+            // Library unique name: <org.example:bcv-klib-test>
+            // Platform: NATIVE
+            // Native targets: linux_x64
+            // Compiler version: 1.9.22
+            // ABI version: 1.8.0
+            final class org.example/ShardedClass { // org.example/ShardedClass|null[0]
+                final val value // org.example/ShardedClass.value|{}value[0]
+                    final fun <get-value>(): kotlin/Int // org.example/ShardedClass.value.<get-value>|<get-value>(){}[0]
+                constructor <init>(kotlin/Int) // org.example/ShardedClass.<init>|<init>(kotlin.Int){}[0]
+                final fun store(kotlin/Int): kotlin/Int // org.example/ShardedClass.store|store(kotlin.Long){}[0]
+            }
+            final fun org.example/ShardedClass(kotlin/Int, kotlin/Float, kotlin/Long): org.example/ShardedClass // org.example/ShardedClass|ShardedClass(kotlin.Int;kotlin.Float;kotlin.Long){}[0]
+        """.trimIndent()
+
+        mergedDump.replace(KlibDump.from(newLinuxX64Dump, configurableTargetName = "linuxX86_64"))
+
+        val mergedDumpContent = mergedDump.saveTo(StringBuilder()).toString()
+        assertEquals("""
+            // Klib ABI Dump
+            // Targets: [linuxArm64, linuxX64.linuxX86_64]
+            // Rendering settings:
+            // - Signature version: 2
+            // - Show manifest properties: false
+            // - Show declarations: true
+
+            // Library unique name: <org.example:bcv-klib-test>
+            final class org.example/ShardedClass { // org.example/ShardedClass|null[0]
+                constructor <init>(kotlin/Int) // org.example/ShardedClass.<init>|<init>(kotlin.Int){}[0]
+
+                final val value // org.example/ShardedClass.value|{}value[0]
+                    final fun <get-value>(): kotlin/Int // org.example/ShardedClass.value.<get-value>|<get-value>(){}[0]
+
+                // Targets: [linuxArm64]
+                final fun add(kotlin/Int): kotlin/Int // org.example/ShardedClass.add|add(kotlin.Int){}[0]
+            
+                // Targets: [linuxX64.linuxX86_64]
+                final fun store(kotlin/Int): kotlin/Int // org.example/ShardedClass.store|store(kotlin.Long){}[0]
+            }
+
+            // Targets: [linuxX64.linuxX86_64]
+            final fun org.example/ShardedClass(kotlin/Int, kotlin/Float, kotlin/Long): org.example/ShardedClass // org.example/ShardedClass|ShardedClass(kotlin.Int;kotlin.Float;kotlin.Long){}[0]
+            
+            """.trimIndent(), mergedDumpContent)
+    }
+
     @OptIn(ExperimentalBCVApi::class)
     @Test
     fun extractTargets() {
         // Oh no, we're running on Windows and Apple targets are unsupported, let's filter it out!
-        val mergedDump = createDumpWithContent("""
+        val mergedDump = createDumpFileWithContent("""
             // Klib ABI Dump
             // Targets: [iosArm64, iosSimulatorArm64, iosX64, linuxArm64, linuxX64]
             // Rendering settings:
@@ -243,7 +340,7 @@ class KlibDumpSamples {
         // We want to get a dump for iosArm64, but our host compiler doesn't support it.
         val unsupportedTarget = KlibTarget.parse("iosArm64")
         // Thankfully, we have an old merged dump ...
-        val oldMergedDump = createDumpWithContent("""
+        val oldMergedDump = createDumpFileWithContent("""
             // Klib ABI Dump
             // Targets: [iosArm64, linuxArm64]
             // Rendering settings:
@@ -260,7 +357,7 @@ class KlibDumpSamples {
         """.trimIndent())
 
         // ... and a new dump for linuxArm64
-        val linuxDump = createDumpWithContent("""
+        val linuxDump = createDumpFileWithContent("""
             // Klib ABI Dump
             // Targets: [linuxArm64]
             // Rendering settings: