diff --git a/dist/bundle.js b/dist/bundle.js
index 86ec9d4a..b1c0ef4f 100644
--- a/dist/bundle.js
+++ b/dist/bundle.js
@@ -1,4 +1,4 @@
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.image-tool__caption[contentEditable="true"][data-placeholder]:empty::before {\n        display: block;\n      }\n\n  .image-tool__caption[contentEditable="true"][data-placeholder]:empty:focus::before {\n        display: none;\n      }\n\n  .image-tool--empty .image-tool__image {\n      display: none;\n    }\n\n  .image-tool--empty .image-tool__caption, .image-tool--loading .image-tool__caption {\n      display: none;\n    }\n\n  .image-tool--filled .cdx-button {\n      display: none;\n    }\n\n  .image-tool--filled .image-tool__image-preloader {\n        display: none;\n      }\n\n  .image-tool--loading .image-tool__image {\n      min-height: 200px;\n      display: flex;\n      border: 1px solid var(--border-color);\n      background-color: #fff;\n    }\n\n  .image-tool--loading .image-tool__image-picture {\n        display: none;\n      }\n\n  .image-tool--loading .cdx-button {\n      display: none;\n    }\n\n  /**\n   * Tunes\n   * ----------------\n   */\n\n  .image-tool--withBorder .image-tool__image {\n      border: 1px solid var(--border-color);\n    }\n\n  .image-tool--withBackground .image-tool__image {\n      padding: 15px;\n      background: var(--bg-color);\n    }\n\n  .image-tool--withBackground .image-tool__image-picture {\n        max-width: 60%;\n        margin: 0 auto;\n      }\n\n  .image-tool--stretched .image-tool__image-picture {\n        width: 100%;\n      }\n\n@keyframes image-preloader-spin {\n  0% {\n    transform: rotate(0deg);\n  }\n  100% {\n    transform: rotate(360deg);\n  }\n}\n',""]),t.exports=e},function(t,e,n){"use strict";t.exports=function(t){var e=[];return e.toString=function(){return this.map((function(e){var n=function(t,e){var n=t[1]||"",o=t[3];if(!o)return n;if(e&&"function"==typeof btoa){var r=(a=o,u=btoa(unescape(encodeURIComponent(JSON.stringify(a)))),c="sourceMappingURL=data:application/json;charset=utf-8;base64,".concat(u),"/*# ".concat(c," */")),i=o.sources.map((function(t){return"/*# sourceURL=".concat(o.sourceRoot||"").concat(t," */")}));return[n].concat(i).concat([r]).join("\n")}var a,u,c;return[n].join("\n")}(e,t);return e[2]?"@media ".concat(e[2]," {").concat(n,"}"):n})).join("")},e.i=function(t,n,o){"string"==typeof t&&(t=[[null,t,""]]);var r={};if(o)for(var i=0;i<this.length;i++){var a=this[i][0];null!=a&&(r[a]=!0)}for(var u=0;u<t.length;u++){var c=[].concat(t[u]);o&&r[c[0]]||(n&&(c[2]?c[2]="".concat(n," and ").concat(c[2]):c[2]=n),e.push(c))}},e}},function(t,e,n){var o=n(4);t.exports=function(t){if(Array.isArray(t))return o(t)}},function(t,e){t.exports=function(t){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(t))return Array.from(t)}},function(t,e){t.exports=function(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}},function(t,e){t.exports=function(t){if(Array.isArray(t))return t}},function(t,e){t.exports=function(t,e){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(t)){var n=[],o=!0,r=!1,i=void 0;try{for(var a,u=t[Symbol.iterator]();!(o=(a=u.next()).done)&&(n.push(a.value),!e||n.length!==e);o=!0);}catch(t){r=!0,i=t}finally{try{o||null==u.return||u.return()}finally{if(r)throw i}}return n}}},function(t,e){t.exports=function(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}},function(t,e,n){"use strict";n.r(e),n.d(e,"default",(function(){return P}));var o=n(3),r=n.n(o),i=n(6),a=n.n(i),u=n(1),c=n.n(u),s=n(0),l=n.n(s),f=(n(15),n(7)),d=n.n(f),p=n(8),h=n.n(p),m=function(){function t(e){var n=e.api,o=e.config,r=e.onSelectFile;c()(this,t),this.api=n,this.config=o,this.onSelectFile=r,this.nodes={wrapper:g("div",[this.CSS.baseClass,this.CSS.wrapper]),imageContainer:g("div",[this.CSS.imageContainer]),fileButton:this.createFileButton(),imageEl:void 0,imagePreloader:g("div",this.CSS.imagePreloader),caption:g("div",[this.CSS.input,this.CSS.caption],{contentEditable:!0})},this.nodes.caption.dataset.placeholder=this.config.captionPlaceholder,this.nodes.imageContainer.appendChild(this.nodes.imagePreloader),this.nodes.wrapper.appendChild(this.nodes.imageContainer),this.nodes.wrapper.appendChild(this.nodes.caption),this.nodes.wrapper.appendChild(this.nodes.fileButton)}return l()(t,[{key:"render",value:function(e){return e.file&&0!==Object.keys(e.file).length?this.toggleStatus(t.status.UPLOADING):this.toggleStatus(t.status.EMPTY),this.nodes.wrapper}},{key:"createFileButton",value:function(){var t=this,e=g("div",[this.CSS.button]);return e.innerHTML=this.config.buttonContent||"".concat(h.a," ").concat(this.api.i18n.t("Select an Image")),e.addEventListener("click",(function(){t.onSelectFile()})),e}},{key:"showPreloader",value:function(e){this.nodes.imagePreloader.style.backgroundImage="url(".concat(e,")"),this.toggleStatus(t.status.UPLOADING)}},{key:"hidePreloader",value:function(){this.nodes.imagePreloader.style.backgroundImage="",this.toggleStatus(t.status.EMPTY)}},{key:"fillImage",value:function(e){var n=this,o=/\.mp4$/.test(e)?"VIDEO":"IMG",r={src:e},i="load";"VIDEO"===o&&(r.autoplay=!0,r.loop=!0,r.muted=!0,r.playsinline=!0,i="loadeddata"),this.nodes.imageEl=g(o,this.CSS.imageEl,r),this.nodes.imageEl.addEventListener(i,(function(){n.toggleStatus(t.status.FILLED),n.nodes.imagePreloader&&(n.nodes.imagePreloader.style.backgroundImage="")})),this.nodes.imageContainer.appendChild(this.nodes.imageEl)}},{key:"fillCaption",value:function(t){this.nodes.caption&&(this.nodes.caption.innerHTML=t)}},{key:"toggleStatus",value:function(e){for(var n in t.status)Object.prototype.hasOwnProperty.call(t.status,n)&&this.nodes.wrapper.classList.toggle("".concat(this.CSS.wrapper,"--").concat(t.status[n]),e===t.status[n])}},{key:"applyTune",value:function(t,e){this.nodes.wrapper.classList.toggle("".concat(this.CSS.wrapper,"--").concat(t),e)}},{key:"CSS",get:function(){return{baseClass:this.api.styles.block,loading:this.api.styles.loader,input:this.api.styles.input,button:this.api.styles.button,wrapper:"image-tool",imageContainer:"image-tool__image",imagePreloader:"image-tool__image-preloader",imageEl:"image-tool__image-picture",caption:"image-tool__caption"}}}],[{key:"status",get:function(){return{EMPTY:"empty",UPLOADING:"loading",FILLED:"filled"}}}]),t}(),g=function(t){var e,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},r=document.createElement(t);Array.isArray(n)?(e=r.classList).add.apply(e,d()(n)):n&&r.classList.add(n);for(var i in o)r[i]=o[i];return r},v=n(9),y=n.n(v),b=n(10),w=n.n(b),_=n(11),S=n.n(_),x=function(){function t(e){var n=e.api,o=e.onChange;c()(this,t),this.api=n,this.onChange=o,this.buttons=[]}return l()(t,[{key:"render",value:function(e){var n=this,o=g("div",this.CSS.wrapper);return this.buttons=[],t.tunes.forEach((function(t){var r=n.api.i18n.t(t.title),i=g("div",[n.CSS.buttonBase,n.CSS.button],{innerHTML:t.icon,title:r});i.addEventListener("click",(function(){n.tuneClicked(t.name)})),i.dataset.tune=t.name,i.classList.toggle(n.CSS.buttonActive,e[t.name]),n.buttons.push(i),n.api.tooltip.onHover(i,r,{placement:"top"}),o.appendChild(i)})),o}},{key:"tuneClicked",value:function(t){var e=this.buttons.find((function(e){return e.dataset.tune===t}));e.classList.toggle(this.CSS.buttonActive,!e.classList.contains(this.CSS.buttonActive)),this.onChange(t)}},{key:"CSS",get:function(){return{wrapper:"",buttonBase:this.api.styles.settingsButton,button:"image-tool__tune",buttonActive:this.api.styles.settingsButtonActive}}}],[{key:"tunes",get:function(){return[{name:"withBorder",icon:w.a,title:"With border"},{name:"stretched",icon:S.a,title:"Stretch image"},{name:"withBackground",icon:y.a,title:"With background"}]}}]),t}(),E=n(12),k=n.n(E),T=n(13),j=n.n(T),L=n(2),O=n.n(L),C=function(){function t(e){var n=e.config,o=e.onUpload,r=e.onError;c()(this,t),this.config=n,this.onUpload=o,this.onError=r}return l()(t,[{key:"uploadSelectedFile",value:function(t){var e=this,n=t.onPreview,o=function(t){var e=new FileReader;e.readAsDataURL(t),e.onload=function(t){n(t.target.result)}};(this.config.uploader&&"function"==typeof this.config.uploader.uploadByFile?O.a.selectFiles({accept:this.config.types}).then((function(t){o(t[0]);var n=e.config.uploader.uploadByFile(t[0]);return F(n)||console.warn("Custom uploader method uploadByFile should return a Promise"),n})):O.a.transport({url:this.config.endpoints.byFile,data:this.config.additionalRequestData,accept:this.config.types,headers:this.config.additionalRequestHeaders,beforeSend:function(t){o(t[0])},fieldName:this.config.field}).then((function(t){return t.body}))).then((function(t){e.onUpload(t)})).catch((function(t){e.onError(t)}))}},{key:"uploadByUrl",value:function(t){var e,n=this;this.config.uploader&&"function"==typeof this.config.uploader.uploadByUrl?F(e=this.config.uploader.uploadByUrl(t))||console.warn("Custom uploader method uploadByUrl should return a Promise"):e=O.a.post({url:this.config.endpoints.byUrl,data:Object.assign({url:t},this.config.additionalRequestData),type:O.a.contentType.JSON,headers:this.config.additionalRequestHeaders}).then((function(t){return t.body})),e.then((function(t){n.onUpload(t)})).catch((function(t){n.onError(t)}))}},{key:"uploadByFile",value:function(t,e){var n,o=this,r=e.onPreview,i=new FileReader;if(i.readAsDataURL(t),i.onload=function(t){r(t.target.result)},this.config.uploader&&"function"==typeof this.config.uploader.uploadByFile)F(n=this.config.uploader.uploadByFile(t))||console.warn("Custom uploader method uploadByFile should return a Promise");else{var a=new FormData;a.append(this.config.field,t),this.config.additionalRequestData&&Object.keys(this.config.additionalRequestData).length&&Object.entries(this.config.additionalRequestData).forEach((function(t){var e=j()(t,2),n=e[0],o=e[1];a.append(n,o)})),n=O.a.post({url:this.config.endpoints.byFile,data:a,type:O.a.contentType.JSON,headers:this.config.additionalRequestHeaders}).then((function(t){return t.body}))}n.then((function(t){o.onUpload(t)})).catch((function(t){o.onError(t)}))}}]),t}();function F(t){return Promise.resolve(t)===t}
 /**
  * Image Tool for the Editor.js
  *
@@ -29,4 +29,4 @@
  *     }
  *   },
  * },
- */var P=function(){function t(e){var n=this,r=e.data,o=e.config,i=e.api;c()(this,t),this.api=i,this.config={endpoints:o.endpoints||"",additionalRequestData:o.additionalRequestData||{},additionalRequestHeaders:o.additionalRequestHeaders||{},field:o.field||"image",types:o.types||"image/*",captionPlaceholder:this.api.i18n.t(o.captionPlaceholder||"Caption"),buttonContent:o.buttonContent||"",uploader:o.uploader||void 0},this.uploader=new C({config:this.config,onUpload:function(t){return n.onUpload(t)},onError:function(t){return n.uploadingFailed(t)}}),this.ui=new m({api:i,config:this.config,onSelectFile:function(){n.uploader.uploadSelectedFile({onPreview:function(t){n.ui.showPreloader(t)}})}}),this.tunes=new E({api:i,onChange:function(t){return n.tuneToggled(t)}}),this._data={},this.data=r}var e;return l()(t,null,[{key:"toolbox",get:function(){return{icon:k.a,title:"Image"}}}]),l()(t,[{key:"render",value:function(){return this.ui.render(this.data)}},{key:"save",value:function(){var t=this.ui.nodes.caption;return this._data.caption=t.innerHTML,this.data}},{key:"renderSettings",value:function(){return this.tunes.render(this.data)}},{key:"appendCallback",value:function(){this.ui.nodes.fileButton.click()}},{key:"onPaste",value:(e=a()(o.a.mark((function t(e){var n,r,i,a,u;return o.a.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:t.t0=e.type,t.next="tag"===t.t0?3:"pattern"===t.t0?15:"file"===t.t0?18:21;break;case 3:if(n=e.detail.data,!/^blob:/.test(n.src)){t.next=13;break}return t.next=7,fetch(n.src);case 7:return r=t.sent,t.next=10,r.blob();case 10:return i=t.sent,this.uploadFile(i),t.abrupt("break",21);case 13:return this.uploadUrl(n.src),t.abrupt("break",21);case 15:return a=e.detail.data,this.uploadUrl(a),t.abrupt("break",21);case 18:return u=e.detail.file,this.uploadFile(u),t.abrupt("break",21);case 21:case"end":return t.stop()}}),t,this)}))),function(t){return e.apply(this,arguments)})},{key:"onUpload",value:function(t){t.success&&t.file?this.image=t.file:this.uploadingFailed("incorrect response: "+JSON.stringify(t))}},{key:"uploadingFailed",value:function(t){console.log("Image Tool: uploading failed because of",t),this.api.notifier.show({message:this.api.i18n.t("Couldn’t upload image. Please try another."),style:"error"}),this.ui.hidePreloader()}},{key:"tuneToggled",value:function(t){this.setTune(t,!this._data[t])}},{key:"setTune",value:function(t,e){var n=this;this._data[t]=e,this.ui.applyTune(t,e),"stretched"===t&&Promise.resolve().then((function(){var t=n.api.blocks.getCurrentBlockIndex();n.api.blocks.stretchBlock(t,e)})).catch((function(t){console.error(t)}))}},{key:"uploadFile",value:function(t){var e=this;this.uploader.uploadByFile(t,{onPreview:function(t){e.ui.showPreloader(t)}})}},{key:"uploadUrl",value:function(t){this.ui.showPreloader(t),this.uploader.uploadByUrl(t)}},{key:"data",set:function(t){var e=this;this.image=t.file,this._data.caption=t.caption||"",this.ui.fillCaption(this._data.caption),E.tunes.forEach((function(n){var r=n.name,o=void 0!==t[r]&&(!0===t[r]||"true"===t[r]);e.setTune(r,o)}))},get:function(){return this._data}},{key:"image",set:function(t){this._data.file=t||{},t&&t.url&&this.ui.fillImage(t.url)}}],[{key:"pasteConfig",get:function(){return{tags:["img"],patterns:{image:/https?:\/\/\S+\.(gif|jpe?g|tiff|png)$/i},files:{mimeTypes:["image/*"]}}}}]),t}()}]).default}));
\ No newline at end of file
+ */var P=function(){function t(e){var n=this,o=e.data,r=e.config,i=e.api;c()(this,t),this.api=i,this.config={endpoints:r.endpoints||"",additionalRequestData:r.additionalRequestData||{},additionalRequestHeaders:r.additionalRequestHeaders||{},field:r.field||"image",types:r.types||"image/*",captionPlaceholder:this.api.i18n.t(r.captionPlaceholder||"Caption"),buttonContent:r.buttonContent||"",uploader:r.uploader||void 0,onSelectFile:r.onSelectFile},this.uploader=new C({config:this.config,onUpload:function(t){return n.onUpload(t)},onError:function(t){return n.uploadingFailed(t)}}),this.ui=new m({api:i,config:this.config,onSelectFile:function(){n.config.onSelectFile?n.config.onSelectFile(n):n.uploader.uploadSelectedFile({onPreview:function(t){n.ui.showPreloader(t)}})}}),this.tunes=new x({api:i,onChange:function(t){return n.tuneToggled(t)}}),this._data={},this.data=o}var e;return l()(t,null,[{key:"toolbox",get:function(){return{icon:k.a,title:"Image"}}}]),l()(t,[{key:"render",value:function(){return this.ui.render(this.data)}},{key:"save",value:function(){var t=this.ui.nodes.caption;return this._data.caption=t.innerHTML,this.data}},{key:"renderSettings",value:function(){return this.tunes.render(this.data)}},{key:"appendCallback",value:function(){this.ui.nodes.fileButton.click()}},{key:"onPaste",value:(e=a()(r.a.mark((function t(e){var n,o,i,a,u;return r.a.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:t.t0=e.type,t.next="tag"===t.t0?3:"pattern"===t.t0?15:"file"===t.t0?18:21;break;case 3:if(n=e.detail.data,!/^blob:/.test(n.src)){t.next=13;break}return t.next=7,fetch(n.src);case 7:return o=t.sent,t.next=10,o.blob();case 10:return i=t.sent,this.uploadFile(i),t.abrupt("break",21);case 13:return this.uploadUrl(n.src),t.abrupt("break",21);case 15:return a=e.detail.data,this.uploadUrl(a),t.abrupt("break",21);case 18:return u=e.detail.file,this.uploadFile(u),t.abrupt("break",21);case 21:case"end":return t.stop()}}),t,this)}))),function(t){return e.apply(this,arguments)})},{key:"onUpload",value:function(t){t.success&&t.file?this.image=t.file:this.uploadingFailed("incorrect response: "+JSON.stringify(t))}},{key:"uploadingFailed",value:function(t){console.log("Image Tool: uploading failed because of",t),this.api.notifier.show({message:this.api.i18n.t("Couldn’t upload image. Please try another."),style:"error"}),this.ui.hidePreloader()}},{key:"tuneToggled",value:function(t){this.setTune(t,!this._data[t])}},{key:"setTune",value:function(t,e){var n=this;this._data[t]=e,this.ui.applyTune(t,e),"stretched"===t&&Promise.resolve().then((function(){var t=n.api.blocks.getCurrentBlockIndex();n.api.blocks.stretchBlock(t,e)})).catch((function(t){console.error(t)}))}},{key:"uploadFile",value:function(t){var e=this;this.uploader.uploadByFile(t,{onPreview:function(t){e.ui.showPreloader(t)}})}},{key:"uploadUrl",value:function(t){this.ui.showPreloader(t),this.uploader.uploadByUrl(t)}},{key:"data",set:function(t){var e=this;this.image=t.file,this._data.caption=t.caption||"",this.ui.fillCaption(this._data.caption),x.tunes.forEach((function(n){var o=n.name,r=void 0!==t[o]&&(!0===t[o]||"true"===t[o]);e.setTune(o,r)}))},get:function(){return this._data}},{key:"image",set:function(t){this._data.file=t||{},t&&t.url&&this.ui.fillImage(t.url)}}],[{key:"pasteConfig",get:function(){return{tags:["img"],patterns:{image:/https?:\/\/\S+\.(gif|jpe?g|tiff|png)$/i},files:{mimeTypes:["image/*"]}}}}]),t}()}]).default}));
\ No newline at end of file
diff --git a/src/index.js b/src/index.js
index 623ebb95..df8c2c4d 100644
--- a/src/index.js
+++ b/src/index.js
@@ -60,6 +60,7 @@ import Uploader from './uploader';
  * @property {object} additionalRequestData - any data to send with requests
  * @property {object} additionalRequestHeaders - allows to pass custom headers with Request
  * @property {string} buttonContent - overrides for Select File button
+ * @property {function(imageTool: ImageTool): any} onSelectFile - if passed, invoked on clicking "select an image"
  * @property {object} [uploader] - optional custom uploader
  * @property {function(File): Promise.<UploadResponseFormat>} [uploader.uploadByFile] - method that upload image by File
  * @property {function(string): Promise.<UploadResponseFormat>} [uploader.uploadByUrl] - method that upload image by URL
@@ -110,6 +111,7 @@ export default class ImageTool {
       captionPlaceholder: this.api.i18n.t(config.captionPlaceholder || 'Caption'),
       buttonContent: config.buttonContent || '',
       uploader: config.uploader || undefined,
+      onSelectFile: config.onSelectFile,
     };
 
     /**
@@ -128,11 +130,15 @@ export default class ImageTool {
       api,
       config: this.config,
       onSelectFile: () => {
-        this.uploader.uploadSelectedFile({
-          onPreview: (src) => {
-            this.ui.showPreloader(src);
-          },
-        });
+        if (this.config.onSelectFile) {
+          this.config.onSelectFile(this);
+        } else {
+          this.uploader.uploadSelectedFile({
+            onPreview: (src) => {
+              this.ui.showPreloader(src);
+            },
+          });
+        }
       },
     });