diff --git a/libs/compression/compression.cpp b/libs/compression/compression.cpp
new file mode 100644
index 0000000..a9b424c
--- /dev/null
+++ b/libs/compression/compression.cpp
@@ -0,0 +1,392 @@
+#include "compression.h"
+#include "lzokay.h"
+#include "qlibrary.h"
+
+QByteArray Compression::DecompressZLIB(const QByteArray &aCompressedData) {
+    if (aCompressedData.isEmpty())
+        return {};
+
+    z_stream strm{};
+    strm.next_in = reinterpret_cast<Bytef*>(const_cast<char*>(aCompressedData.data()));
+    strm.avail_in = static_cast<uInt>(aCompressedData.size());
+
+    if (inflateInit2(&strm, MAX_WBITS) != Z_OK) {
+        qWarning() << "Failed to initialize zlib for decompression.";
+        return {};
+    }
+
+    QByteArray decompressed;
+    char buffer[4096];
+
+    int ret;
+    do {
+        strm.next_out = reinterpret_cast<Bytef*>(buffer);
+        strm.avail_out = sizeof(buffer);
+
+        ret = inflate(&strm, Z_NO_FLUSH);
+
+        if (ret != Z_OK && ret != Z_STREAM_END) {
+            qWarning() << "Zlib decompression error:" << zError(ret);
+            inflateEnd(&strm);
+            return {};
+        }
+
+        decompressed.append(buffer, sizeof(buffer) - strm.avail_out);
+    } while (ret != Z_STREAM_END);
+
+    inflateEnd(&strm);
+    return decompressed;
+}
+
+QByteArray Compression::CompressZLIB(const QByteArray &aData) {
+    return CompressZLIBWithSettings(aData);
+}
+
+QByteArray Compression::CompressZLIBWithSettings(const QByteArray &aData, int aCompressionLevel, int aWindowBits, int aMemLevel, int aStrategy, const QByteArray &aDictionary) {
+    if (aData.isEmpty())
+        return {};
+
+    z_stream strm{};
+    if (deflateInit2(&strm, aCompressionLevel, Z_DEFLATED, aWindowBits, aMemLevel, aStrategy) != Z_OK) {
+        qWarning() << "Failed to initialize compression with custom settings.";
+        return {};
+    }
+
+    if (!aDictionary.isEmpty()) {
+        deflateSetDictionary(&strm, reinterpret_cast<const Bytef*>(aDictionary.constData()), aDictionary.size());
+    }
+
+    strm.next_in = reinterpret_cast<Bytef*>(const_cast<char*>(aData.data()));
+    strm.avail_in = aData.size();
+
+    QByteArray compressed;
+    char buffer[4096];
+
+    int ret;
+    do {
+        strm.next_out = reinterpret_cast<Bytef*>(buffer);
+        strm.avail_out = sizeof(buffer);
+
+        ret = deflate(&strm, strm.avail_in ? Z_NO_FLUSH : Z_FINISH);
+        if (ret != Z_OK && ret != Z_STREAM_END) {
+            qWarning() << "Compression error:" << zError(ret);
+            deflateEnd(&strm);
+            return {};
+        }
+
+        compressed.append(buffer, sizeof(buffer) - strm.avail_out);
+    } while (ret != Z_STREAM_END);
+
+    deflateEnd(&strm);
+    return compressed;
+}
+
+QByteArray Compression::DecompressDeflate(const QByteArray &aCompressedData) {
+    if (aCompressedData.isEmpty())
+        return {};
+
+    z_stream strm{};
+    strm.next_in = reinterpret_cast<Bytef*>(const_cast<char*>(aCompressedData.data()));
+    strm.avail_in = static_cast<uInt>(aCompressedData.size());
+
+    // Negative window bits (-MAX_WBITS) indicate raw DEFLATE data.
+    if (inflateInit2(&strm, -MAX_WBITS) != Z_OK) {
+        qWarning() << "Failed to initialize DEFLATE for decompression.";
+        return QByteArray();
+    }
+
+    QByteArray decompressed;
+    char buffer[4096];
+
+    int ret;
+    do {
+        strm.next_out = reinterpret_cast<Bytef*>(buffer);
+        strm.avail_out = sizeof(buffer);
+
+        ret = inflate(&strm, Z_NO_FLUSH);
+
+        if (ret != Z_OK && ret != Z_STREAM_END) {
+            qWarning() << "DEFLATE decompression error:" << zError(ret);
+            inflateEnd(&strm);
+            return QByteArray();
+        }
+
+        decompressed.append(buffer, sizeof(buffer) - strm.avail_out);
+    } while (ret != Z_STREAM_END);
+
+    inflateEnd(&strm);
+    return decompressed;
+}
+
+QByteArray Compression::CompressDeflate(const QByteArray &aData) {
+    return CompressDeflateWithSettings(aData);
+}
+
+QByteArray Compression::CompressDeflateWithSettings(const QByteArray &aData, int aCompressionLevel, int aWindowBits, int aMemLevel, int aStrategy, const QByteArray &aDictionary) {
+    if (aData.isEmpty())
+        return QByteArray();
+
+    z_stream strm{};
+
+    // Negative window bits (-MAX_WBITS) indicate raw DEFLATE data.
+    if (deflateInit2(&strm, aCompressionLevel, Z_DEFLATED, -aWindowBits, aMemLevel, aStrategy) != Z_OK) {
+        qWarning() << "Failed to initialize DEFLATE for compression.";
+        return QByteArray();
+    }
+
+    strm.next_in = reinterpret_cast<Bytef*>(const_cast<char*>(aData.data()));
+    strm.avail_in = static_cast<uInt>(aData.size());
+
+    QByteArray compressed;
+    char buffer[4096];
+
+    int ret;
+    do {
+        strm.next_out = reinterpret_cast<Bytef*>(buffer);
+        strm.avail_out = sizeof(buffer);
+
+        ret = deflate(&strm, strm.avail_in ? Z_NO_FLUSH : Z_FINISH);
+
+        if (ret != Z_OK && ret != Z_STREAM_END) {
+            qWarning() << "DEFLATE compression error:" << zError(ret);
+            deflateEnd(&strm);
+            return {};
+        }
+
+        compressed.append(buffer, sizeof(buffer) - strm.avail_out);
+    } while (ret != Z_STREAM_END);
+
+    deflateEnd(&strm);
+    return compressed;
+
+}
+
+QByteArray Compression::DecompressOodle(const QByteArray &aCompressedData, quint32 aDecompressedSize) {
+    return pDecompressOodle(aCompressedData, aCompressedData.length(), aDecompressedSize);
+}
+
+QByteArray Compression::CompressOodle(const QByteArray &aData) {
+
+    quint32 maxSize = pGetOodleCompressedBounds(aData.length());
+    QByteArray compressedData = pCompressOodle(aData, aData.length(),
+                                  maxSize, OodleFormat::Kraken, OodleCompressionLevel::Optimal5);
+
+    return compressedData.mid(0, maxSize);
+}
+
+quint32 Compression::pGetOodleCompressedBounds(quint32 aBufferSize) {
+    return aBufferSize + 274 * ((aBufferSize + 0x3FFFF) / 0x400000);
+}
+
+QByteArray Compression::pCompressOodle(QByteArray aBuffer, quint32 aBufferSize, quint32 aOutputBufferSize, OodleFormat aformat, OodleCompressionLevel alevel) {
+    QLibrary oodleLib("oo2core_8_win64");
+
+    if (!oodleLib.load()) {
+        qDebug() << "Failed to load DLL:" << oodleLib.errorString();
+        return QByteArray();
+    }
+
+    OodleLZ_CompressFunc OodleLZ_Compress =
+        (OodleLZ_CompressFunc)oodleLib.resolve("OodleLZ_Compress");
+
+    if (!OodleLZ_Compress) {
+        qDebug() << "Failed to resolve function:" << oodleLib.errorString();
+        return QByteArray();
+    }
+
+    std::byte *outputBuffer = new std::byte[aOutputBufferSize];
+
+    if (aBuffer.length() > 0 && aBufferSize > 0 && aOutputBufferSize > 0)
+        OodleLZ_Compress(aformat, reinterpret_cast<std::byte*>(aBuffer.data()), aBufferSize, outputBuffer, alevel, 0, 0, 0);
+
+    return QByteArray(reinterpret_cast<const char*>(outputBuffer), aOutputBufferSize);
+}
+
+QByteArray Compression::pDecompressOodle(QByteArray aBuffer, quint32 aBufferSize, quint32 aOutputBufferSize) {
+    QLibrary oodleLib("oo2core_8_win64");
+
+    if (!oodleLib.load()) {
+        qDebug() << "Failed to load DLL:" << oodleLib.errorString();
+        return QByteArray();
+    }
+
+    OodleLZ_DecompressFunc OodleLZ_Decompress =
+        (OodleLZ_DecompressFunc)oodleLib.resolve("OodleLZ_Decompress");
+
+    if (!OodleLZ_Decompress) {
+        qDebug() << "Failed to resolve function:" << oodleLib.errorString();
+        return QByteArray();
+    }
+
+    std::byte *outputBuffer = new std::byte[aOutputBufferSize];
+
+    if (aBuffer.length() > 0 && aBufferSize > 0 && aOutputBufferSize > 0)
+        OodleLZ_Decompress(reinterpret_cast<std::byte*>(aBuffer.data()), aBufferSize, outputBuffer, aOutputBufferSize, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+
+    return QByteArray(reinterpret_cast<const char*>(outputBuffer), aOutputBufferSize);
+}
+
+QByteArray Compression::DecompressLZO(const QByteArray &aCompressedData) {
+    lzokay::EResult error;
+
+    // Ensure the input QByteArray is valid
+    if (aCompressedData.isEmpty()) {
+        qDebug() << "Input QByteArray is empty.";
+        return QByteArray();
+    }
+
+    // Step 1: Cast QByteArray to uint8_t*
+    const uint8_t *compressedData = reinterpret_cast<const uint8_t *>(aCompressedData.constData());
+    std::size_t compressedSize = static_cast<std::size_t>(aCompressedData.size());
+
+    // Step 2: Allocate a sufficiently large decompression buffer
+    // Use a large initial estimate if the decompressed size is unknown
+    std::size_t initialBufferSize = compressedSize * 20; // Arbitrary multiplier for decompression
+    std::unique_ptr<uint8_t[]> decompressed(new uint8_t[initialBufferSize]);
+
+    // Step 3: Attempt decompression
+    std::size_t decompressedSize = 0;
+    error = lzokay::decompress(
+        compressedData, compressedSize, // Input data and size
+        decompressed.get(), initialBufferSize, // Output buffer and initial size
+        decompressedSize // Actual decompressed size
+        );
+
+    // Step 4: Handle decompression errors
+    if (error != lzokay::EResult::Success) {
+        qDebug() << "Decompression failed with error code:" << static_cast<int>(error);
+        return QByteArray();
+    }
+
+    // Step 5: Return the decompressed data as a QByteArray
+    return QByteArray(reinterpret_cast<const char *>(decompressed.get()), decompressedSize);
+}
+
+QByteArray Compression::CompressLZO(const QByteArray &aData) {
+    lzokay::EResult error;
+
+    // Check input validity
+    if (aData.isEmpty()) {
+        qDebug() << "Input QByteArray is empty.";
+        return QByteArray();
+    }
+
+    // Step 1: Cast QByteArray to uint8_t*
+    const uint8_t *uncompressedData = reinterpret_cast<const uint8_t *>(aData.constData());
+    std::size_t uncompressedSize = static_cast<std::size_t>(aData.size());
+
+    // Step 2: Allocate output buffer with sufficient size (compressBound-like estimation)
+    std::size_t maxCompressedSize = uncompressedSize + uncompressedSize / 16 + 64 + 3; // Safe estimation
+    std::unique_ptr<uint8_t[]> compressed(new uint8_t[maxCompressedSize]);
+
+    // Step 3: Compress data
+    std::size_t compressedSize = 0;
+    error = lzokay::compress(
+        uncompressedData, uncompressedSize,   // Input data
+        compressed.get(), maxCompressedSize,  // Output buffer
+        compressedSize                        // Actual compressed size
+        );
+
+    // Step 4: Handle compression errors
+    if (error != lzokay::EResult::Success) {
+        qDebug() << "Compression failed with error code:" << static_cast<int>(error);
+        return QByteArray();
+    }
+
+    // Step 5: Return compressed data as QByteArray
+    return QByteArray(reinterpret_cast<const char *>(compressed.get()), compressedSize);
+}
+
+QByteArray Compression::DecompressLZX(const QByteArray &compressedData, uint32_t windowBits)
+{
+    if (compressedData.isEmpty())
+        return QByteArray();
+
+    // Calculate sliding window size.
+    const uint32_t windowSize = 1u << windowBits;
+    std::vector<uint8_t> window(windowSize, 0);
+    uint32_t windowPos = 0;
+
+    // Use a dynamic output buffer.
+    QByteArray outArray;
+    // Reserve an initial capacity.
+    outArray.reserve(1024);
+
+    // --- Bitstream state ---
+    const uint8_t *inData = reinterpret_cast<const uint8_t*>(compressedData.constData());
+    size_t inSize = compressedData.size();
+    size_t inPos = 0;
+    uint32_t bitBuffer = 0;
+    int bitsInBuffer = 0;
+
+    // Lambda: Ensure at least 'count' bits are available.
+    auto ensureBits = [&](int count) -> bool {
+        while (bitsInBuffer < count) {
+            if (inPos < inSize) {
+                bitBuffer = (bitBuffer << 8) | inData[inPos++];
+                bitsInBuffer += 8;
+            } else {
+                return false;
+            }
+        }
+        return true;
+    };
+
+    // Lambda: Get (and remove) 'count' bits from the bit buffer.
+    auto getBits = [&](int count) -> uint32_t {
+        if (!ensureBits(count))
+            return 0;
+        uint32_t result = (bitBuffer >> (bitsInBuffer - count)) & ((1u << count) - 1);
+        bitsInBuffer -= count;
+        return result;
+    };
+
+    // --- Main decompression loop ---
+    // In this simplified placeholder format:
+    // - A flag bit of 1 means a literal byte follows (8 bits).
+    // - A flag bit of 0 means a match follows: first 4 bits for match length (plus base 2)
+    //   then windowBits bits for the match offset (relative to the current sliding window).
+    while (true) {
+        // Try to read a flag bit; if not available, we assume the stream is complete.
+        if (!ensureBits(1))
+            break;
+        uint32_t flag = getBits(1);
+        if (flag == 1) {
+            // Literal: next 8 bits form a literal byte.
+            if (!ensureBits(8)) {
+                qWarning() << "Unexpected end of input while reading literal.";
+                break;
+            }
+            uint8_t literal = static_cast<uint8_t>(getBits(8));
+            outArray.append(static_cast<char>(literal));
+            // Update the sliding window.
+            window[windowPos] = literal;
+            windowPos = (windowPos + 1) % windowSize;
+        } else {
+            // Match: first read a 4-bit match length (with a base of 2).
+            if (!ensureBits(4)) {
+                qWarning() << "Unexpected end of input while reading match length.";
+                break;
+            }
+            uint32_t matchLength = getBits(4) + 2;
+            // Then read the match offset (fixed number of bits equals windowBits).
+            if (!ensureBits(windowBits)) {
+                qWarning() << "Unexpected end of input while reading match offset.";
+                break;
+            }
+            uint32_t matchOffset = getBits(windowBits);
+            // Compute the source position in the sliding window.
+            uint32_t copyPos = (windowPos + windowSize - matchOffset) % windowSize;
+            // Copy matchLength bytes from the sliding window.
+            for (uint32_t i = 0; i < matchLength; i++) {
+                uint8_t byte = window[(copyPos + i) % windowSize];
+                outArray.append(static_cast<char>(byte));
+                // Update the sliding window with the decompressed byte.
+                window[windowPos] = byte;
+                windowPos = (windowPos + 1) % windowSize;
+            }
+        }
+    }
+
+    return outArray;
+}
diff --git a/libs/compression/compression.h b/libs/compression/compression.h
index 5738eb4..83c96c1 100644
--- a/libs/compression/compression.h
+++ b/libs/compression/compression.h
@@ -1,11 +1,8 @@
-#ifndef COMPRESSOR_H
-#define COMPRESSOR_H
+#ifndef COMPRESSION_H
+#define COMPRESSION_H
 
 #include "QtZlib/zlib.h"
-#include "lzokay.hpp"
-#include "statusbarmanager.h"
 
-#include <stdint.h>
 #include <stddef.h>
 #include <QByteArray>
 #include <QDebug>
@@ -14,122 +11,73 @@
 #include <QCryptographicHash>
 #include <QFile>
 
-typedef enum {
-    EResult_LookbehindOverrun = -4,
-    EResult_OutputOverrun = -3,
-    EResult_InputOverrun = -2,
-    EResult_Error = -1,
-    EResult_Success = 0,
-    EResult_InputNotConsumed = 1,
-} lzokay_EResult;
+enum OodleFormat {
+    LZH = 0,
+    LZHLW = 1,
+    LZNIB = 2,
+    FormatNone = 3,
+    LZB16 = 4,
+    LZBLW = 5,
+    LZA = 6,
+    LZNA = 7,
+    Kraken = 8,
+    Mermaid = 9,
+    BitKnit = 10,
+    Selkie = 11,
+    Hydra = 12,
+    Leviathan = 13
+};
 
-static_assert(EResult_LookbehindOverrun == lzokay_EResult(lzokay::EResult::LookbehindOverrun), "LookbehindOverrun mismatch");
-static_assert(EResult_OutputOverrun == lzokay_EResult(lzokay::EResult::OutputOverrun), "OutputOverrun mismatch");
-static_assert(EResult_InputOverrun == lzokay_EResult(lzokay::EResult::InputOverrun), "InputOverrun mismatch");
-static_assert(EResult_Error == lzokay_EResult(lzokay::EResult::Error), "Error mismatch");
-static_assert(EResult_Success == lzokay_EResult(lzokay::EResult::Success), "Success mismatch");
-static_assert(EResult_InputNotConsumed == lzokay_EResult(lzokay::EResult::InputNotConsumed), "InputNotConsumed mismatch");
+enum OodleCompressionLevel {
+    LevelNone = 0,
+    SuperFast = 1,
+    VeryFast = 2,
+    Fast = 3,
+    Normal = 4,
+    Optimal1 = 5,
+    Optimal2 = 6,
+    Optimal3 = 7,
+    Optimal4 = 8,
+    Optimal5 = 9
+};
 
-class Compressor {
+typedef int (*OodleLZ_CompressFunc)(OodleFormat Format, std::byte *Buffer, long BufferSize, std::byte *OutputBuffer, OodleCompressionLevel Level, uint a, uint b, uint c);
+typedef int (*OodleLZ_DecompressFunc)(std::byte* Buffer, long BufferSize, std::byte* OutputBuffer, long OutputBufferSize, uint a, uint b, uint c, uint d, uint e, uint f, uint g, uint h, uint i, int ThreadModule);
+
+class Compression {
 public:
-    static QByteArray DecompressZLIB(const QByteArray &compressedData) {
-        if (compressedData.isEmpty())
-            return QByteArray();
+    static QByteArray DecompressZLIB(const QByteArray &aCompressedData);
+    static QByteArray CompressZLIB(const QByteArray &aData);
+    static QByteArray CompressZLIBWithSettings(const QByteArray &aData,
+                                               int aCompressionLevel = Z_BEST_COMPRESSION,
+                                               int aWindowBits = MAX_WBITS,
+                                               int aMemLevel = 8,
+                                               int aStrategy = Z_DEFAULT_STRATEGY,
+                                               const QByteArray &aDictionary = {});
 
-        z_stream strm;
-        memset(&strm, 0, sizeof(strm));
-        strm.next_in = reinterpret_cast<Bytef*>(const_cast<char*>(compressedData.data()));
-        strm.avail_in = static_cast<uInt>(compressedData.size());
+    static QByteArray DecompressDeflate(const QByteArray &aCompressedData);
+    static QByteArray CompressDeflate(const QByteArray &aData);
+    static QByteArray CompressDeflateWithSettings(const QByteArray &aData,
+                                               int aCompressionLevel = Z_BEST_COMPRESSION,
+                                               int aWindowBits = MAX_WBITS,
+                                               int aMemLevel = 8,
+                                               int aStrategy = Z_DEFAULT_STRATEGY,
+                                               const QByteArray &aDictionary = {});
 
-        int ret = inflateInit(&strm);
-        if (ret != Z_OK) {
-            qWarning() << "inflateInit failed:" << zError(ret);
-            return QByteArray();
-        }
+    static QByteArray DecompressOodle(const QByteArray &aCompressedData, quint32 aDecompressedSize);
+    static QByteArray CompressOodle(const QByteArray &aData);
 
-        QByteArray outArray;
-        char buffer[4096];
+    static QByteArray DecompressLZO(const QByteArray& aCompressedData);
+    static QByteArray CompressLZO(const QByteArray& aData);
 
-        int compressedBytesConsumed = 0;
-        int index = 0;
-        int totalCompressedSize = compressedData.size();  // n in x/n progress
+    static QByteArray DecompressLZX(const QByteArray &compressedData, uint32_t windowBits = 15);
 
-        do {
-            strm.next_out = reinterpret_cast<Bytef*>(buffer);
-            strm.avail_out = sizeof(buffer);
-
-            int compressedBefore = strm.avail_in; // Track before calling inflate
-            ret = inflate(&strm, Z_NO_FLUSH);
-            int compressedAfter = strm.avail_in;  // Track after calling inflate
-
-            if (ret == Z_BUF_ERROR && strm.avail_in == 0) {
-                break;
-            }
-            if (ret != Z_OK && ret != Z_STREAM_END) {
-                qWarning() << "Error: ZLib inflate failed:" << zError(ret);
-                inflateEnd(&strm);
-                return QByteArray();
-            }
-
-            int bytesProduced = sizeof(buffer) - strm.avail_out;
-            int bytesConsumed = compressedBefore - compressedAfter;  // Track consumed compressed bytes
-            compressedBytesConsumed += bytesConsumed;
-
-            if (bytesProduced > 0) {
-                outArray.append(buffer, bytesProduced);
-
-                index++;
-
-                StatusBarManager::instance().updateProgressStatus(
-                    QString("Processing Decompressing ZLib Data (%1/%2 bytes)").arg(compressedBytesConsumed).arg(totalCompressedSize),
-                    compressedBytesConsumed, totalCompressedSize);
-            }
-
-        } while (ret != Z_STREAM_END);
-
-        StatusBarManager::instance().updateStatus("Finished decompression!");
-
-        inflateEnd(&strm);
-        return outArray;
-    }
-
-
-    static QByteArray DecompressLZO(const QByteArray& input) {
-        lzokay::EResult error;
-
-        // Ensure the input QByteArray is valid
-        if (input.isEmpty()) {
-            qDebug() << "Input QByteArray is empty.";
-            return QByteArray();
-        }
-
-        // Step 1: Cast QByteArray to uint8_t*
-        const uint8_t *compressedData = reinterpret_cast<const uint8_t *>(input.constData());
-        std::size_t compressedSize = static_cast<std::size_t>(input.size());
-
-        // Step 2: Allocate a sufficiently large decompression buffer
-        // Use a large initial estimate if the decompressed size is unknown
-        std::size_t initialBufferSize = compressedSize * 20; // Arbitrary multiplier for decompression
-        std::unique_ptr<uint8_t[]> decompressed(new uint8_t[initialBufferSize]);
-
-        // Step 3: Attempt decompression
-        std::size_t decompressedSize = 0;
-        error = lzokay::decompress(
-            compressedData, compressedSize, // Input data and size
-            decompressed.get(), initialBufferSize, // Output buffer and initial size
-            decompressedSize // Actual decompressed size
-            );
-
-        // Step 4: Handle decompression errors
-        if (error != lzokay::EResult::Success) {
-            qDebug() << "Decompression failed with error code:" << static_cast<int>(error);
-            return QByteArray();
-        }
-
-        // Step 5: Return the decompressed data as a QByteArray
-        return QByteArray(reinterpret_cast<const char *>(decompressed.get()), decompressedSize);
-    }
+private:
+    static quint32 pGetOodleCompressedBounds(quint32 aBufferSize);
+    static QByteArray pCompressOodle(QByteArray aBuffer, quint32 aBufferSize, quint32 aOutputBufferSize,
+                                     OodleFormat aformat, OodleCompressionLevel alevel);
+    static QByteArray pDecompressOodle(QByteArray aBuffer, quint32 aBufferSize, quint32 aOutputBufferSize);
 };
 
 
-#endif // COMPRESSOR_H
+#endif // COMPRESSION_H
diff --git a/libs/compression/compression.pro b/libs/compression/compression.pro
index 94358ce..cbec4a7 100644
--- a/libs/compression/compression.pro
+++ b/libs/compression/compression.pro
@@ -1,14 +1,14 @@
 QT += core
 TEMPLATE = lib
-CONFIG += staticlib c++17 debug
+CONFIG += staticlib c++17
 
 SOURCES += \
+    compression.cpp \
     lzokay.cpp \
 
 HEADERS += \
-    lzx.h \
-    lzokay.hpp \
-    compressor.h
+    compression.h \
+    lzokay.h
 
 LIBS += \
     -L$$OUT_PWD/../libs/core -lcore \
diff --git a/libs/compression/lzokay.cpp b/libs/compression/lzokay.cpp
index e2808b9..ad7b39c 100644
--- a/libs/compression/lzokay.cpp
+++ b/libs/compression/lzokay.cpp
@@ -1,4 +1,4 @@
-#include "lzokay.hpp"
+#include "lzokay.h"
 #include <cstring>
 #include <algorithm>
 #include <iterator>
diff --git a/libs/compression/lzokay.h b/libs/compression/lzokay.h
index 522edd8..f152727 100644
--- a/libs/compression/lzokay.h
+++ b/libs/compression/lzokay.h
@@ -1,4 +1,6 @@
-#pragma once
+#ifndef LZOKAY_H
+#define LZOKAY_H
+
 #include <cstddef>
 #include <cstdint>
 #include <memory>
@@ -77,3 +79,5 @@ constexpr std::size_t compress_worst_size(std::size_t s) {
 }
 
 }
+
+#endif // LZOKAY_H