diff --git a/index.html b/index.html
index 8ba05e1..9562ed8 100644
--- a/index.html
+++ b/index.html
@@ -6,6 +6,7 @@
   <meta name="viewport" content="width=device-width,initial-scale=1">
   <link rel="stylesheet" href="css/normalize.css">
   <link rel="stylesheet" href="css/style.css">
+  <link rel="stylesheet" href="vendor/nouislider/nouislider.css">
   <link rel="shortcut icon" href="favicon.ico" type="image/x-icon">
   <title>Кекстаграм</title>
 </head>
@@ -31,7 +32,7 @@ <h2 class="pictures__title  visually-hidden">Фотографии других 
       <section class="img-upload">
         <div class="img-upload__wrapper">
           <h2 class="img-upload__title  visually-hidden">Загрузка фотографии</h2>
-          <form class="img-upload__form" id="upload-select-image" autocomplete="off">
+          <form class="img-upload__form" id="upload-select-image" method="post" action=" https://31.javascript.htmlacademy.pro/kekstagram" enctype="multipart/form-data" autocomplete="off">
 
             <!-- Изначальное состояние поля для загрузки изображения -->
             <fieldset class="img-upload__start">
@@ -40,7 +41,7 @@ <h2 class="img-upload__title  visually-hidden">Загрузка фотограф
             </fieldset>
 
             <!-- Форма редактирования изображения -->
-            <div class="img-upload__overlay  hidden">
+            <div class="img-upload__overlay hidden">
               <div class="img-upload__wrapper">
                 <div class="img-upload__preview-container">
 
@@ -235,6 +236,8 @@ <h2 class="data-error__title">Не удалось загрузить данны
     </section>
   </template>
   <script src="js/functions.js"></script>
+  <script src="vendor/nouislider/nouislider.js"></script>
+  <script src="vendor/pristine/pristine.min.js"></script>
   <script src="js/main.js" type="module"></script>
 </body>
 
diff --git a/js/big-picture.js b/js/big-picture.js
index 87ef0a9..a3e3e4e 100644
--- a/js/big-picture.js
+++ b/js/big-picture.js
@@ -21,16 +21,14 @@ let currentComments = [];
 const onEscKeyDown = (evt) => {
   if (isEscapeKey(evt)) {
     closeBigPicture();
-    deleteComments();
   }
 };
 
 const onPictureCancelClick = () => {
   closeBigPicture();
-  deleteComments();
 };
 
-const renderNewCommentsStep = () => {
+const onShowMoreButtonClick = () => {
   const renderingNewComments = currentComments.slice(commentCount, commentCount + COMMENTS__STEP);
   const newCommentsLength = renderingNewComments.length += commentCount;
   const fragment = document.createDocumentFragment();
@@ -57,17 +55,17 @@ const renderNewCommentsStep = () => {
 
 const renderComments = (currentPhotoComments) => {
   currentComments = currentPhotoComments;
-  renderNewCommentsStep();
+  onShowMoreButtonClick();
 
-  buttonLoader.addEventListener('click', renderNewCommentsStep);
+  buttonLoader.addEventListener('click', onShowMoreButtonClick);
 };
 
-function deleteComments () {
+const deleteComments = () => {
   socialComments.innerHTML = '';
   commentCount = 0;
   buttonLoader.classList.remove('hidden');
-  buttonLoader.removeEventListener('click', renderNewCommentsStep);
-}
+  buttonLoader.removeEventListener('click', onShowMoreButtonClick);
+};
 
 const renderBigPicture = (currentPhoto) => {
   bigPictureImage.src = currentPhoto.url;
@@ -78,6 +76,8 @@ const renderBigPicture = (currentPhoto) => {
 };
 
 function closeBigPicture () {
+  deleteComments();
+
   bigPicture.classList.add('hidden');
   document.querySelector('body').classList.remove('modal-open');
   document.removeEventListener('keydown', onEscKeyDown);
@@ -111,5 +111,5 @@ const setPicturesListener = (photos) => {
   usersPhotoList.addEventListener('click', (evt) => onPictureContainerClick(evt, photos));
 };
 
-export { setPicturesListener };
+export { setPicturesListener, onEscKeyDown };
 
diff --git a/js/form/image-form.js b/js/form/image-form.js
new file mode 100644
index 0000000..adca43c
--- /dev/null
+++ b/js/form/image-form.js
@@ -0,0 +1,51 @@
+import { isEscapeKey } from '../util';
+import { initScale, resetScale } from './image-scale';
+import { initValidation } from './validation';
+import { initEffect, resetEffect } from './slider-effect';
+
+const uploadForm = document.querySelector('.img-upload__form');
+const uploadInput = uploadForm.querySelector('.img-upload__input');
+const formOverlay = uploadForm.querySelector('.img-upload__overlay');
+const buttonCloseUpload = uploadForm.querySelector('.img-upload__cancel');
+const hashtagsInput = uploadForm.querySelector('.text__hashtags');
+const descriptionInput = uploadForm.querySelector('.text__description');
+
+const onEscKeyDown = (evt) => {
+  if (isEscapeKey(evt) && (document.activeElement !== hashtagsInput || document.activeElement !== descriptionInput)) {
+    closeUploadModal();
+    uploadForm.reset();
+  }
+};
+const onUploadCancelClick = () => {
+  closeUploadModal();
+};
+
+function closeUploadModal () {
+  formOverlay.classList.add('hidden');
+  document.querySelector('body').classList.remove('.modal-open');
+  document.removeEventListener('keydown', onEscKeyDown);
+  buttonCloseUpload.removeEventListener('click', onUploadCancelClick);
+
+  resetEffect();
+  resetScale();
+  uploadForm.reset();
+}
+
+const openUploadModal = () =>{
+  formOverlay.classList.remove('hidden');
+  document.querySelector('body').classList.add('.modal-open');
+  document.addEventListener('keydown', onEscKeyDown);
+  buttonCloseUpload.addEventListener('click', onUploadCancelClick);
+
+  initEffect();
+  initScale();
+  initValidation();
+};
+
+const initUploadModal = () => {
+  uploadInput.addEventListener('change', () => {
+    openUploadModal();
+  });
+};
+
+export { initUploadModal };
diff --git a/js/form/image-scale.js b/js/form/image-scale.js
new file mode 100644
index 0000000..cd3ba75
--- /dev/null
+++ b/js/form/image-scale.js
@@ -0,0 +1,35 @@
+const scaleValue = document.querySelector('.scale__control--value');
+const imagePrewiev = document.querySelector('.img-upload__preview img');
+const buttonSmaller = document.querySelector('.scale__control--smaller');
+const buttonBigger = document.querySelector('.scale__control--bigger');
+
+let scale = 1;
+const SCALE_STEP = 0.25;
+
+const onButtonSmallerClick = () => {
+  if(scale > SCALE_STEP) {
+    scale -= SCALE_STEP;
+    imagePrewiev.style.transform = `scale(${scale})`;
+    scaleValue.value = `${scale * 100}%`;
+  }
+};
+
+const onButtonBiggerClick = () => {
+  if(scale < 1) {
+    scale += SCALE_STEP;
+    imagePrewiev.style.transform = `scale(${scale})`;
+    scaleValue.value = `${scale * 100}%`;
+  }
+};
+
+const initScale = () => {
+  buttonSmaller.addEventListener('click', onButtonSmallerClick);
+  buttonBigger.addEventListener('click', onButtonBiggerClick);
+};
+
+const resetScale = () => {
+  buttonBigger.removeEventListener('click', onButtonBiggerClick);
+  buttonSmaller.removeEventListener('click', onButtonSmallerClick);
+};
+
+export { initScale, resetScale };
diff --git a/js/form/slider-effect.js b/js/form/slider-effect.js
new file mode 100644
index 0000000..4417248
--- /dev/null
+++ b/js/form/slider-effect.js
@@ -0,0 +1,72 @@
+import { SLIDER_EFFECT_OPTIONS } from './slider-options';
+
+const sliderElement = document.querySelector('.effect-level__slider');
+const sliderContainer = document.querySelector('.img-upload__effect-level');
+const imagePreview = document.querySelector('.img-upload__preview img');
+const effectList = document.querySelector('.img-upload__effects');
+const sliderEffectValue = document.querySelector('.effect-level__value');
+
+let currentEffect = 'none';
+
+const updateSliderEffect = (effect) => {
+  if(effect === 'none') {
+    sliderContainer.style.display = 'none';
+    imagePreview.style.filter = 'none';
+  } else {
+    sliderContainer.style.display = 'block';
+  }
+
+  sliderElement.noUiSlider.on('update', () => {
+    const sliderValue = sliderElement.noUiSlider.get();
+    sliderEffectValue.value = sliderValue;
+
+    const configSlider = SLIDER_EFFECT_OPTIONS[currentEffect];
+    if (currentEffect !== 'none') {
+      imagePreview.style.filter = `${configSlider.filter}(${sliderValue}${configSlider.measure})`;
+    }
+  });
+};
+
+const changeSliderOptions = () => {
+  const configSlider = SLIDER_EFFECT_OPTIONS[currentEffect];
+
+  sliderElement.noUiSlider.updateOptions({
+    range: {
+      min: configSlider.min,
+      max: configSlider.max
+    },
+    start: configSlider.max,
+    step: configSlider.step,
+    measure: configSlider.measure,
+  });
+
+  updateSliderEffect(currentEffect);
+};
+
+const initEffect = () => {
+  noUiSlider.create(sliderElement, {
+    connect: 'lower',
+    range: {
+      min: 0,
+      max: 100,
+    },
+    start: 100,
+    step: 0.1,
+  });
+
+  updateSliderEffect('none');
+};
+
+effectList.addEventListener('change', (evt) => {
+  if(evt.target.matches('.effects__radio')) {
+    currentEffect = evt.target.value;
+  }
+
+  changeSliderOptions();
+});
+
+const resetEffect = () => {
+  noUiSlider.destroy(sliderElement);
+};
+
+export { initEffect, resetEffect };
diff --git a/js/form/slider-options.js b/js/form/slider-options.js
new file mode 100644
index 0000000..646fb44
--- /dev/null
+++ b/js/form/slider-options.js
@@ -0,0 +1,48 @@
+const SLIDER_EFFECT_OPTIONS = {
+  none: {
+    filter: 'none',
+    min: 0,
+    max: 100,
+    step: 1,
+    start: 100,
+    measure: '',
+  },
+  chrome: {
+    filter: 'grayscale',
+    min: 0,
+    max: 1,
+    step: 0.1,
+    start: 100,
+    measure: '',
+  },
+  sepia: {
+    filter: 'sepia',
+    min: 0,
+    max: 1,
+    step: 0.1,
+    measure: '',
+  },
+  marvin: {
+    filter: 'invert',
+    min: 0,
+    max: 100,
+    step: 1,
+    measure: '%',
+  },
+  phobos: {
+    filter: 'blur',
+    min: 0,
+    max: 3,
+    step: 0.1,
+    measure: 'px',
+  },
+  heat: {
+    filter: 'brightness',
+    min: 0,
+    max: 3,
+    step: 0.1,
+    measure: '',
+  },
+};
+
+export { SLIDER_EFFECT_OPTIONS };
diff --git a/js/form/validation.js b/js/form/validation.js
new file mode 100644
index 0000000..d398286
--- /dev/null
+++ b/js/form/validation.js
@@ -0,0 +1,70 @@
+const uploadForm = document.querySelector('.img-upload__form');
+const hashtagsInput = uploadForm.querySelector('.text__hashtags');
+const descriptionInput = uploadForm.querySelector('.text__description');
+
+const MAX_QUATITY = 5;
+const MAX_QUANTITY_SIMBOL = 140;
+
+let errorMessage = '';
+
+const pristine = new Pristine(uploadForm, {
+  classTo: 'img-upload__form',
+  errorTextParent: 'img-upload__field-wrapper',
+  errorTextClass: 'img-upload__field-wrapper--error',
+});
+
+const checkRules = [
+  {
+    check: (inputArray) => inputArray.some((element) => !/^#[a-zа-яё1-9]{1,19}$/i.test(element)),
+    error: 'Не допустимые символы!'
+  },
+  {
+    check: (inputArray) => inputArray.length > MAX_QUATITY,
+    error: `Не более ${MAX_QUATITY} хэштегов!`
+  },
+  {
+    check: (inputArray) => inputArray.some((element, num, Array) => Array.includes(element, num + 1)),
+    error: 'Хэштэги не должны повторяться!'
+  },
+];
+
+const validHashtags = (value) => {
+  const inputText = value.toLowerCase().trim();
+  const inputArray = inputText.split(' ');
+
+  if(inputText.length === 0){
+    return true;
+  }
+
+  const checks = checkRules.every((ruleValidate) => {
+    const isInvalid = ruleValidate.check(inputArray);
+
+    if(isInvalid) {
+      errorMessage = ruleValidate.error;
+    }
+
+    return !isInvalid;
+  });
+
+  return checks;
+};
+
+const validDescription = (value) => {
+  const inputCommentArray = value;
+  inputCommentArray.split(' ');
+
+  const isInvalid = inputCommentArray.length > MAX_QUANTITY_SIMBOL;
+
+  if (isInvalid){
+    errorMessage = `Не более ${MAX_QUANTITY_SIMBOL} символов!`;
+  }
+
+  return !isInvalid;
+};
+
+const initValidation = () => {
+  pristine.addValidator(hashtagsInput, validHashtags, () => errorMessage);
+  pristine.addValidator(descriptionInput, validDescription, () => errorMessage);
+};
+
+export { initValidation };
diff --git a/js/main.js b/js/main.js
index eee8ed0..1873c96 100644
--- a/js/main.js
+++ b/js/main.js
@@ -1,9 +1,11 @@
 import { generatePhotos } from './generator';
 import { renderThumbnails } from './render-thumbnails';
 import { setPicturesListener } from './big-picture';
+import { initUploadModal } from './form/image-form';
 
 const photos = generatePhotos();
 renderThumbnails(photos);
 setPicturesListener(photos);
+initUploadModal();
 
 
diff --git a/js/util.js b/js/util.js
index 920a85e..1ca7757 100644
--- a/js/util.js
+++ b/js/util.js
@@ -27,5 +27,4 @@ const getRandomArrayElement = (elements) => elements[getRandomInteger(0, element
 const isEscapeKey = (evt) => evt.key === 'Escape';
 const isEnterKey = (evt) => evt.key === 'Enter';
 
-
 export { getRandomInteger, createPreviousRangeGenerator, getRandomArrayElement, isEscapeKey, isEnterKey };