diff --git a/platform/platform-api/src/com/intellij/util/Url.java b/platform/platform-api/src/com/intellij/util/Url.java
index ad73212b1f48..790896869f6e 100644
--- a/platform/platform-api/src/com/intellij/util/Url.java
+++ b/platform/platform-api/src/com/intellij/util/Url.java
@@ -3,8 +3,6 @@ package com.intellij.util;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-import java.net.URI;
-
 // We don't use Java URI due to problem — http://cns-etuat-2.localnet.englishtown.com/school/e12/#school/45383/201/221/382?c=countrycode=cc|culturecode=en-us|partnercode=mkge
 // it is illegal URI (fragment before query), but we must support such URI
 // Semicolon as parameters separator is supported (WEB-6671)
@@ -14,14 +12,11 @@ public interface Url {
 
   boolean isInLocalFileSystem();
 
-  String toDecodedForm(boolean skipQueryAndFragment);
+  String toDecodedForm();
 
   @NotNull
   String toExternalForm();
 
-  @NotNull
-  String toExternalForm(boolean skipQueryAndFragment);
-
   @Nullable
   String getScheme();
 
@@ -34,5 +29,5 @@ public interface Url {
   boolean equalsIgnoreParameters(@Nullable Url url);
 
   @NotNull
-  URI toJavaUriWithoutParameters();
+  Url trimParameters();
 }
diff --git a/platform/platform-impl/src/com/intellij/util/LocalFileUrl.java b/platform/platform-impl/src/com/intellij/util/LocalFileUrl.java
index fc166c1c9a2c..0ac07b5259ea 100644
--- a/platform/platform-impl/src/com/intellij/util/LocalFileUrl.java
+++ b/platform/platform-impl/src/com/intellij/util/LocalFileUrl.java
@@ -1,12 +1,8 @@
 package com.intellij.util;
 
-import com.intellij.openapi.util.SystemInfo;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-import java.net.URI;
-import java.net.URISyntaxException;
-
 public final class LocalFileUrl implements Url {
   private final String path;
 
@@ -26,7 +22,7 @@ public final class LocalFileUrl implements Url {
   }
 
   @Override
-  public String toDecodedForm(boolean skipQueryAndFragment) {
+  public String toDecodedForm() {
     return path;
   }
 
@@ -36,27 +32,6 @@ public final class LocalFileUrl implements Url {
     return path;
   }
 
-  @NotNull
-  @Override
-  public URI toJavaUriWithoutParameters() {
-    try {
-      String externalPath = path;
-      if (SystemInfo.isWindows && externalPath.charAt(0) != '/') {
-        externalPath = '/' + externalPath;
-      }
-      return new URI("file", "", externalPath, null, null);
-    }
-    catch (URISyntaxException e) {
-      throw new RuntimeException(e);
-    }
-  }
-
-  @NotNull
-  @Override
-  public String toExternalForm(boolean skipQueryAndFragment) {
-    return toExternalForm();
-  }
-
   @Nullable
   @Override
   public String getScheme() {
@@ -75,15 +50,23 @@ public final class LocalFileUrl implements Url {
     return null;
   }
 
+  @NotNull
+  @Override
+  public Url trimParameters() {
+    return this;
+  }
+
+  @Override
+  public String toString() {
+    return toExternalForm();
+  }
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {
       return true;
     }
-    if (!(o instanceof LocalFileUrl)) {
-      return false;
-    }
-    return path.equals(((LocalFileUrl)o).path);
+    return o instanceof LocalFileUrl && path.equals(((LocalFileUrl)o).path);
   }
 
   @Override
@@ -95,9 +78,4 @@ public final class LocalFileUrl implements Url {
   public int hashCode() {
     return path.hashCode();
   }
-
-  @Override
-  public String toString() {
-    return toExternalForm();
-  }
 }
\ No newline at end of file
diff --git a/platform/platform-impl/src/com/intellij/util/UrlImpl.java b/platform/platform-impl/src/com/intellij/util/UrlImpl.java
index 4acdde5a2fc0..378916d9843f 100644
--- a/platform/platform-impl/src/com/intellij/util/UrlImpl.java
+++ b/platform/platform-impl/src/com/intellij/util/UrlImpl.java
@@ -15,18 +15,15 @@
  */
 package com.intellij.util;
 
-import com.intellij.openapi.util.SystemInfo;
 import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.openapi.vfs.StandardFileSystems;
 import com.intellij.util.io.URLUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-import java.net.URI;
-import java.net.URISyntaxException;
-
 public final class UrlImpl implements Url {
   private String externalForm;
+  private UrlImpl withoutParameters;
 
   @Nullable
   private final String scheme;
@@ -38,8 +35,6 @@ public final class UrlImpl implements Url {
 
   private final String parameters;
 
-  private String externalFormWithoutParameters;
-
   public UrlImpl(@Nullable String path) {
     this(null, null, path, null);
   }
@@ -88,7 +83,7 @@ public final class UrlImpl implements Url {
   }
 
   @Override
-  public String toDecodedForm(boolean skipQueryAndFragment) {
+  public String toDecodedForm() {
     StringBuilder builder = new StringBuilder();
     if (scheme != null) {
       builder.append(scheme).append("://");
@@ -97,7 +92,7 @@ public final class UrlImpl implements Url {
       builder.append(authority);
     }
     builder.append(getPath());
-    if (!skipQueryAndFragment && parameters != null) {
+    if (parameters != null) {
       builder.append(parameters);
     }
     return builder.toString();
@@ -105,57 +100,34 @@ public final class UrlImpl implements Url {
 
   @Override
   @NotNull
-  public URI toJavaUriWithoutParameters() {
-    try {
-      String externalPath = path;
-      boolean inLocalFileSystem = isInLocalFileSystem();
-      if (inLocalFileSystem && SystemInfo.isWindows && externalPath.charAt(0) != '/') {
-        externalPath = '/' + externalPath;
-      }
-      return new URI(scheme, inLocalFileSystem ? "" : authority, externalPath, null, null);
-    }
-    catch (URISyntaxException e) {
-      throw new RuntimeException(e);
-    }
-  }
-
-  @Override
-  @NotNull
-  public String toExternalForm(boolean skipQueryAndFragment) {
-    if (parameters == null || !skipQueryAndFragment) {
-      if (externalForm != null) {
-        return externalForm;
-      }
-    }
-    else if (externalFormWithoutParameters != null) {
-      return externalFormWithoutParameters;
+  public String toExternalForm() {
+    if (externalForm != null) {
+      return externalForm;
     }
 
-    String result = toJavaUriWithoutParameters().toASCIIString();
-    if (skipQueryAndFragment) {
-      externalFormWithoutParameters = result;
-      if (parameters == null) {
-        externalForm = externalFormWithoutParameters;
-      }
-    }
-    else {
-      if (parameters != null) {
-        result += parameters;
-      }
-      externalForm = result;
+    String result = Urls.toUriWithoutParameters(this).toASCIIString();
+    if (parameters != null) {
+      result += parameters;
     }
+    externalForm = result;
     return result;
   }
 
-  @NotNull
   @Override
-  public String toExternalForm() {
-    return toExternalForm(false);
+  @NotNull
+  public Url trimParameters() {
+    if (parameters == null) {
+      return this;
+    }
+    else if (withoutParameters == null) {
+      withoutParameters = new UrlImpl(scheme, authority, path, null);
+    }
+    return withoutParameters;
   }
 
   @Override
   public String toString() {
-    return toExternalForm(false);
+    return toExternalForm();
   }
 
   @Override
@@ -164,21 +136,11 @@ public final class UrlImpl implements Url {
       return true;
     }
     if (!(o instanceof UrlImpl)) {
-      return false;
-    }
-
-    UrlImpl url = (UrlImpl)o;
-    return equalsIgnoreParameters(url) && (parameters == null ? url.parameters == null : parameters.equals(url.parameters));
-  }
-
-  @Override
-  public boolean equalsIgnoreParameters(@Nullable Url o) {
-    if (this == o) {
-      return true;
-    }
-    if (!(o instanceof UrlImpl)) {
-      if (o instanceof LocalFileUrl && isInLocalFileSystem()) {
-        return o.getPath().equals(path);
+      if (o instanceof Url && isInLocalFileSystem()) {
+        Url url = (Url)o;
+        if (url.isInLocalFileSystem()) {
+          return url.getPath().equals(path);
+        }
       }
       return false;
     }
@@ -190,11 +152,15 @@ public final class UrlImpl implements Url {
     if (authority == null ? url.authority != null : !authority.equals(url.authority)) {
       return false;
     }
-    String decodedPath = getPath();
-    if (!decodedPath.equals(url.getPath())) {
+    if (!getPath().equals(url.getPath())) {
       return false;
     }
-    return true;
+    return parameters == null ? url.parameters == null : parameters.equals(url.parameters);
+  }
+
+  @Override
+  public boolean equalsIgnoreParameters(@Nullable Url url) {
+    return url != null && equals(url.trimParameters());
   }
 
   @Override
diff --git a/platform/platform-impl/src/com/intellij/util/Urls.java b/platform/platform-impl/src/com/intellij/util/Urls.java
index 482c78fee3bc..295f3918b458 100644
--- a/platform/platform-impl/src/com/intellij/util/Urls.java
+++ b/platform/platform-impl/src/com/intellij/util/Urls.java
@@ -16,6 +16,7 @@
 package com.intellij.util;
 
 import com.intellij.openapi.diagnostic.Logger;
+import com.intellij.openapi.util.SystemInfo;
 import com.intellij.openapi.util.io.FileUtil;
 import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.openapi.vfs.StandardFileSystems;
@@ -26,6 +27,7 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import java.net.URI;
+import java.net.URISyntaxException;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -77,7 +79,7 @@ public final class Urls {
     }
 
     try {
-      return asUrl.toJavaUriWithoutParameters();
+      return toUriWithoutParameters(asUrl);
     }
     catch (Exception e) {
       LOG.info("Can't parse " + url, e);
@@ -141,4 +143,19 @@ public final class Urls {
     Url fileUrl = parseUrl(file.getUrl());
     return fileUrl != null && fileUrl.equalsIgnoreParameters(url);
   }
+
+  @NotNull
+  public static URI toUriWithoutParameters(@NotNull Url url) {
+    try {
+      String externalPath = url.getPath();
+      boolean inLocalFileSystem = url.isInLocalFileSystem();
+      if (inLocalFileSystem && SystemInfo.isWindows && externalPath.charAt(0) != '/') {
+        externalPath = '/' + externalPath;
+      }
+      return new URI(inLocalFileSystem ? "file" : url.getScheme(), inLocalFileSystem ? "" : url.getAuthority(), externalPath, null, null);
+    }
+    catch (URISyntaxException e) {
+      throw new RuntimeException(e);
+    }
+  }
 }
\ No newline at end of file
diff --git a/xml/impl/src/com/intellij/ide/browsers/OpenFileInDefaultBrowserAction.java b/xml/impl/src/com/intellij/ide/browsers/OpenFileInDefaultBrowserAction.java
index b3b02090d354..4c05cca14e45 100644
--- a/xml/impl/src/com/intellij/ide/browsers/OpenFileInDefaultBrowserAction.java
+++ b/xml/impl/src/com/intellij/ide/browsers/OpenFileInDefaultBrowserAction.java
@@ -149,7 +149,7 @@ public class OpenFileInDefaultBrowserAction extends DumbAwareAction {
       protected void customizeCellRenderer(JList list, Object value, int index, boolean selected, boolean hasFocus) {
         // todo icons looks good, but is it really suitable for all URLs providers?
         setIcon(AllIcons.Nodes.Servlet);
-        append(((Url)value).toDecodedForm(false));
+        append(((Url)value).toDecodedForm());
       }
     });
 
diff --git a/xml/impl/src/com/intellij/ide/browsers/StartBrowserPanel.java b/xml/impl/src/com/intellij/ide/browsers/StartBrowserPanel.java
index 37dc8e565824..d01e0a3c5c41 100644
--- a/xml/impl/src/com/intellij/ide/browsers/StartBrowserPanel.java
+++ b/xml/impl/src/com/intellij/ide/browsers/StartBrowserPanel.java
@@ -127,7 +127,7 @@ public class StartBrowserPanel {
       @NotNull
       @Override
       protected String chosenFileToResultingText(@NotNull VirtualFile chosenFile) {
-        return virtualFileToUrl(chosenFile, project).toDecodedForm(false);
+        return virtualFileToUrl(chosenFile, project).toDecodedForm();
       }
     });
   }