diff --git a/CMakeLists.txt b/CMakeLists.txt
index c14e851..19ab3d7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -33,7 +33,7 @@ endif()
 
 find_package(Threads)
 
-add_library(abieos STATIC src/abi.cpp src/crypto.cpp include/eosio/fpconv.c)
+add_library(abieos STATIC src/abi.cpp src/crypto.cpp include/eosio/fpconv.c src/abieos.cpp)
 target_include_directories(abieos PUBLIC include external/rapidjson/include)
 
 add_library(abieos_module MODULE src/abieos.cpp src/abi.cpp src/crypto.cpp include/eosio/fpconv.c)
@@ -79,3 +79,5 @@ endif()
 if (NOT ABIEOS_ONLY_LIBRARY)
 add_subdirectory(tools)
 endif()
+
+install(TARGETS abieos DESTINATION .)
diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
index cf87dd8..4baf89e 100644
--- a/tools/CMakeLists.txt
+++ b/tools/CMakeLists.txt
@@ -7,3 +7,9 @@ target_link_libraries(name abieos ${CMAKE_THREAD_LIBS_INIT})
 
 add_custom_command( TARGET name POST_BUILD COMMAND ${CMAKE_COMMAND} -E create_symlink $<TARGET_FILE:name> ${CMAKE_CURRENT_BINARY_DIR}/name2num )
 add_custom_command( TARGET name POST_BUILD COMMAND ${CMAKE_COMMAND} -E create_symlink $<TARGET_FILE:name> ${CMAKE_CURRENT_BINARY_DIR}/num2name )
+
+add_executable(hex_to_json hex_to_json.c)
+target_link_libraries(hex_to_json abieos ${CMAKE_THREAD_LIBS_INIT})
+
+add_custom_command( TARGET hex_to_json POST_BUILD COMMAND ${CMAKE_COMMAND} -E create_symlink $<TARGET_FILE:hex_to_json> ${CMAKE_CURRENT_BINARY_DIR}/json2hex )
+add_custom_command( TARGET hex_to_json POST_BUILD COMMAND ${CMAKE_COMMAND} -E create_symlink $<TARGET_FILE:hex_to_json> ${CMAKE_CURRENT_BINARY_DIR}/hex2json )
diff --git a/tools/hex_to_json.c b/tools/hex_to_json.c
new file mode 100644
index 0000000..46ff533
--- /dev/null
+++ b/tools/hex_to_json.c
@@ -0,0 +1,115 @@
+#include "../src/abieos.h"
+#include <libgen.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+
+void usage(char* name, bool reverse) {
+    if (reverse) {
+        fprintf(stderr, "Usage: %s abi_file.json type json\n", name);
+        fputs("This example takes a json value, and returns the corresponding abieos encoded hex string\n", stderr);
+        fputs("Example:\n", stderr);
+        fprintf(stderr, "$ ./%s transaction.abi.json transaction '{your json here}'\n", name);
+    } else {
+        fprintf(stderr, "Usage: %s abi_file.json hex-type hex-string\n", name);
+        fputs("This example takes a abieos encoded hex string, and returns the corresponding json\n", stderr);
+        fputs("Example:\n", stderr);
+        fprintf(stderr,
+                "$ ./%s transaction.abi.json transaction "
+                "AE0D635CDCAC90A6DCFA000000000100A6823403EA3055000000572D3CCDCD0100AEAA4AC15CFD4500000000A8ED32323B00AE"
+                "AA4AC15CFD4500000060D234CD3DA06806000000000004454F53000000001A746865206772617373686F70706572206C696573"
+                "20686561767900\n",
+                name);
+    }
+}
+
+int main(int argc, char* argv[]) {
+    const char* contract_str = "eosio";
+    bool reverse = false;
+    char* program_name = basename(argv[0]);
+
+    if (strcasecmp(program_name, "json2hex") == 0) {
+        reverse = true;
+    }
+
+    if (argc != 4) {
+        usage(program_name, reverse);
+        return 1;
+    }
+    char* abi_filename = argv[1];
+    char* hex_type = argv[2];
+    char* hex_json_string = argv[3];
+
+    char* source = NULL;
+    FILE* abi_file = fopen(abi_filename, "r");
+    if (abi_file == NULL) {
+        fprintf(stderr, "unable to open abi_file.json %s\n", abi_filename);
+        return -1;
+    }
+    /* Go to the end of the file. */
+    if (fseek(abi_file, 0L, SEEK_END) == 0) {
+        /* Get the size of the file. */
+        long bufsize = ftell(abi_file);
+        if (bufsize == -1) {
+            /* Error */
+            fprintf(stderr, "ftell error\n");
+            return -1;
+        }
+
+        /* Allocate our buffer to that size. */
+        source = malloc(sizeof(char) * (bufsize + 1));
+
+        /* Go back to the start of the file. */
+        if (fseek(abi_file, 0L, SEEK_SET) != 0) { /* Error */
+        }
+
+        /* Read the entire file into memory. */
+        size_t newLen = fread(source, sizeof(char), bufsize, abi_file);
+        if (ferror(abi_file) != 0) {
+            fputs("Error reading file\n", stderr);
+        } else {
+            source[newLen++] = '\0'; /* Just to be safe. */
+        }
+    }
+    fclose(abi_file);
+
+    abieos_context* context = abieos_create();
+    if (context == NULL) {
+        fprintf(stderr, "Unable to create context\n");
+        free(source);
+        return -1;
+    }
+
+    uint64_t contract_name = abieos_string_to_name(context, contract_str);
+    if (contract_name == 0) {
+        fprintf(stderr, "Error: abieos_string_to_name %s\n", abieos_get_error(context));
+    } else {
+        abieos_bool result = abieos_set_abi(context, contract_name, source);
+        if (!result) {
+            fprintf(stderr, "Error: abieos_set_abi %s\n", abieos_get_error(context));
+        } else {
+            if (reverse) {
+                abieos_bool j2b_result = abieos_json_to_bin(context, contract_name, hex_type, hex_json_string);
+                if (j2b_result) {
+                    const char* hex = abieos_get_bin_hex(context);
+                    fprintf(stdout, "%s\n", hex);
+                } else {
+                    fprintf(stderr, "Error: %s %s\n", program_name, abieos_get_error(context));
+                }
+
+            } else {
+                const char* json = abieos_hex_to_json(context, contract_name, hex_type, hex_json_string);
+                if (!json) {
+                    fprintf(stderr, "Error: %s %s\n", program_name, abieos_get_error(context));
+                } else {
+                    fprintf(stdout, "%s\n", json);
+                }
+            }
+        }
+    }
+    abieos_destroy(context);
+    free(source);
+
+    return 0;
+}