diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3d032a1..f6ceb25 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -620,6 +620,7 @@ set(ALL_TESTS
 	session_interface_test
 	secure_post_test
 	mount_point_test
+	todec_test
 	)
 
 if(NOT DISABLE_TCPCACHE)
@@ -701,6 +702,7 @@ install(DIRECTORY cppcms DESTINATION include
 set(CNF "${CMAKE_CURRENT_SOURCE_DIR}/tests")
 
 add_test(base64_test base64_test)
+add_test(todec_test todec_test)
 add_test(encryptor_test encryptor_test "${CNF}")
 add_test(storage_test storage_test)
 add_test(json_test json_test)
diff --git a/private/todec.h b/private/todec.h
new file mode 100644
index 0000000..a30736c
--- /dev/null
+++ b/private/todec.h
@@ -0,0 +1,112 @@
+///////////////////////////////////////////////////////////////////////////////
+//                                                                             
+//  Copyright (C) 2008-2012  Artyom Beilis (Tonkikh) <artyomtnk@yahoo.com>     
+//                                                                             
+//  See accompanying file COPYING.TXT file for licensing details.
+//
+///////////////////////////////////////////////////////////////////////////////
+#ifndef CPPCMS_IMPL_TODEC_H
+#define CPPCMS_IMPL_TODEC_H
+#include <limits>
+#include <ostream>
+
+namespace cppcms {
+	namespace impl {
+		namespace details {
+			template<bool sig>
+			struct decimal_traits;
+
+			template<>
+			struct decimal_traits<false> {
+				template<typename T>
+				static void conv(T v,char *&begin,char *&buf)
+				{
+					begin = buf;
+					while(v!=0) {
+						*buf++ = '0' + v % 10;
+						v/=10;
+					}
+				}
+			};
+
+			template<>
+			struct decimal_traits<true> {
+				template<typename T>
+				static void conv(T v,char *&begin,char *&buf)
+				{
+					if(v<0) {
+						*buf++ = '-';
+						begin=buf;
+						while(v!=0) {
+							*buf++ = '0' - (v % 10);
+							v/=10;
+						}
+					}
+					else {
+						decimal_traits<false>::conv(v,begin,buf);
+					}
+				}
+			};
+		}
+
+
+		template<typename Integer>
+		void todec(Integer v,char *buf)
+		{
+			typedef std::numeric_limits<Integer> limits;
+			if(v == 0) {
+				*buf++ = '0';
+				*buf++ = 0;
+				return;
+			}
+			char *begin=0;
+
+			details::decimal_traits<limits::is_signed>::conv(v,begin,buf);
+			
+			*buf-- = 0;
+			while(begin < buf) {
+				char tmp = *begin;
+				*begin = *buf;
+				*buf = tmp;
+				buf--;
+				begin++;
+			}
+		}
+
+		template<typename I>
+		std::string todec_string(I v)
+		{
+			char buf[std::numeric_limits<I>::digits10 + 4];
+			todec<I>(v,buf);
+			std::string tmp = buf;
+			return tmp;
+		}
+
+		namespace details {
+			template<typename T>
+			struct write_int_to_stream {
+				write_int_to_stream(T vi = 0) : v(vi) {}
+				T v;
+				void operator()(std::ostream &out) const
+				{
+					char buf[std::numeric_limits<T>::digits10 + 4];
+					todec<T>(v,buf);
+					out << buf;
+				}
+			};
+			template<typename T>
+			std::ostream &operator<<(std::ostream &out,write_int_to_stream<T> const &v)
+			{
+				v(out);
+				return out;
+			}
+		} // details
+
+		template<typename T>
+		details::write_int_to_stream<T> cint(T v)
+		{
+			return details::write_int_to_stream<T>(v);
+		}
+	}
+}
+#endif
diff --git a/src/base_view.cpp b/src/base_view.cpp
index 0dd3e66..c66b559 100644
--- a/src/base_view.cpp
+++ b/src/base_view.cpp
@@ -11,13 +11,6 @@
 #include <cppcms/cppcms_error.h>
 
 #include <vector>
-#include <cppcms/config.h>
-#ifdef CPPCMS_USE_EXTERNAL_BOOST
-#   include <boost/format.hpp>
-#else // Internal Boost
-#   include <cppcms_boost/format.hpp>
-    namespace boost = cppcms_boost;
-#endif
 
 namespace cppcms {
 
diff --git a/src/form.cpp b/src/form.cpp
index 075327d..f22b116 100644
--- a/src/form.cpp
+++ b/src/form.cpp
@@ -14,17 +14,14 @@
 #include <cppcms/http_file.h>
 #include <cppcms/session_interface.h>
 #include <stack>
-#ifdef CPPCMS_USE_EXTERNAL_BOOST
-#   include <boost/format.hpp>
-#else // Internal Boost
-#   include <cppcms_boost/format.hpp>
-    namespace boost = cppcms_boost;
-#endif
-
 #include <booster/regex.h>
 
+#include "todec.h"
+
 namespace cppcms {
 
+using impl::cint;
+
 struct form_context::_data {};
 
 form_context::form_context() :
@@ -421,7 +418,7 @@ void base_widget::generate(int position,form_context * /*context*/)
 	if(is_generation_done_)
 		return;
 	if(name_.empty()) {
-		name_ = (boost::format("_%1%",std::locale::classic()) % position).str();
+		name_ = "_" + impl::todec_string(position);
 	}
 	is_generation_done_ = 1;
 }
@@ -671,10 +668,10 @@ void text::render_attributes(form_context &context)
 
 	std::ostream &output = context.out();
 	if(size_ >= 0)
-		output << boost::format("size=\"%1%\" ",std::locale::classic()) % size_;
+		output << "size=\"" << cint(size_) <<"\" ";
 	std::pair<int,int> lm=limits();
 	if(lm.second >= 0 && validate_charset()) {
-		output << boost::format("maxlength=\"%1%\" ",std::locale::classic()) % lm.second;
+		output << "maxlength=\"" << cint(lm.second) << "\" ";
 	}
 }
 
@@ -728,11 +725,11 @@ void textarea::render_input(form_context &context)
 		render_attributes(context);
 
 		if(rows_ >= 0) {
-			output<<boost::format("rows=\"%1%\"",std::locale::classic()) % rows_;
+			output<<"rows=\""<< cint(rows_) << "\"";
 		}
 
 		if(cols_ >= 0) {
-			output<<boost::format("cols=\"%1%\"",std::locale::classic()) % cols_;
+			output<<"cols=\"" <<cint(cols_) << "\"";
 		}
 	}
 	else {
@@ -923,13 +920,13 @@ void select_multiple::add(locale::message const &opt,std::string const &id,bool
 
 void select_multiple::add(std::string const &opt,bool selected)
 {
-	std::string id=(boost::format("%1%",std::locale::classic()) % elements_.size()).str();
+	std::string id=impl::todec_string(elements_.size());
 	elements_.push_back(element(id,opt,selected));
 }
 
 void select_multiple::add(locale::message const &opt,bool selected)
 {
-	std::string id=(boost::format("%1%",std::locale::classic()) % elements_.size()).str();
+	std::string id=impl::todec_string(elements_.size());
 	elements_.push_back(element(id,opt,selected));
 }
 
@@ -996,7 +993,7 @@ void select_multiple::render_input(form_context &context)
 		else
 			out<<"<select multiple ";
 		if(rows_ > 0)
-			out << boost::format(" size=\"%1%\" ",std::locale::classic()) % rows_;
+			out << " size=\"" << cint(rows_) << "\" ";
 		render_attributes(context);
 	}
 	else {
@@ -1127,13 +1124,13 @@ void select_base::add(locale::message const &str,std::string const &id)
 
 void select_base::add(std::string const &str)
 {
-	std::string id=(boost::format("%1%",std::locale::classic()) % elements_.size()).str();
+	std::string id= impl::todec_string(elements_.size());
 	elements_.push_back(element(id,str));
 }
 
 void select_base::add(locale::message const &str)
 {
-	std::string id=(boost::format("%1%",std::locale::classic()) % elements_.size()).str();
+	std::string id= impl::todec_string(elements_.size());
 	elements_.push_back(element(id,str));
 }
 
diff --git a/src/forwarder.cpp b/src/forwarder.cpp
index c5450f2..73357ae 100644
--- a/src/forwarder.cpp
+++ b/src/forwarder.cpp
@@ -24,16 +24,15 @@
 #include <booster/enable_shared_from_this.h>
 #include <scgi_header.h>
 
+#include "todec.h"
 
 #ifdef CPPCMS_USE_EXTERNAL_BOOST
 #   include <boost/bind.hpp>
-#   include <boost/format.hpp>
 #   if defined(CPPCMS_WIN32) && _WIN32_WINNT <= 0x0501 && !defined(BOOST_ASIO_DISABLE_IOCP)
 #   define NO_CANCELIO
 #   endif
 #else // Internal Boost
 #   include <cppcms_boost/bind.hpp>
-#   include <cppcms_boost/format.hpp>
     namespace boost = cppcms_boost;
 #   if defined(CPPCMS_WIN32) && _WIN32_WINNT <= 0x0501 && !defined(CPPCMS_BOOST_ASIO_DISABLE_IOCP)
 #   define NO_CANCELIO
@@ -152,7 +151,8 @@ namespace cppcms {
 				env_str.append(p->first.c_str(),p->first.size()+1);
 				env_str.append(p->second.c_str(),p->second.size()+1);
 			}
-			std::string header=(boost::format("%1%:",std::locale::classic()) % env_str.size()).str();
+			std::string header=todec_string(env_str.size());
+			header+=':';
 			header.reserve(header.size()+env_str.size()+addon_size);
 			header+=env_str;
 			header+=',';