diff --git a/public/javascripts/dialogs/settings.js b/public/javascripts/dialogs/settings.js
index b5b18fb3e..c934b4ed7 100644
--- a/public/javascripts/dialogs/settings.js
+++ b/public/javascripts/dialogs/settings.js
@@ -149,5 +149,17 @@ settings.addModule((async function () {
     buildRevisionEl.html(appInfo.build_revision);
     buildRevisionEl.attr('href', 'https://github.com/zadam/trilium/commit/' + appInfo.build_revision);
 
+    return {};
+})());
+
+settings.addModule((async function () {
+    const forceFullSyncButton = $("#force-full-sync-button");
+
+    forceFullSyncButton.click(async () => {
+        await server.post('sync/force-full-sync');
+
+        showMessage("Full sync triggered");
+    });
+
     return {};
 })());
\ No newline at end of file
diff --git a/routes/api/recent_notes.js b/routes/api/recent_notes.js
index 07f7acdda..58de6f137 100644
--- a/routes/api/recent_notes.js
+++ b/routes/api/recent_notes.js
@@ -33,19 +33,7 @@ router.put('/:noteTreeId/:notePath', auth.checkApiAuth, async (req, res, next) =
 });
 
 async function getRecentNotes() {
-    await deleteOld();
-
     return await sql.getResults("SELECT * FROM recent_notes WHERE is_deleted = 0 ORDER BY date_accessed DESC");
 }
 
-async function deleteOld() {
-    const cutoffDateAccessed = utils.dateStr(new Date(Date.now() - 24 * 60 * 60 * 1000));
-
-    await sql.doInTransaction(async () => {
-        await sql.execute("DELETE FROM recent_notes WHERE date_accessed < ?", [cutoffDateAccessed]);
-
-        await sql.execute("DELETE FROM sync WHERE entity_name = 'recent_notes' AND sync_date < ?", [cutoffDateAccessed]);
-    });
-}
-
 module.exports = router;
\ No newline at end of file
diff --git a/routes/api/sync.js b/routes/api/sync.js
index ed9a2e361..91c3cde75 100644
--- a/routes/api/sync.js
+++ b/routes/api/sync.js
@@ -20,6 +20,18 @@ router.post('/now', auth.checkApiAuth, async (req, res, next) => {
     res.send(await sync.sync());
 });
 
+router.post('/force-full-sync', auth.checkApiAuth, async (req, res, next) => {
+    await sql.doInTransaction(async () => {
+        await options.setOption('last_synced_pull', 0);
+        await options.setOption('last_synced_push', 0);
+    });
+
+    // not awaiting for the job to finish (will probably take a long time)
+    sync.sync();
+
+    res.send({});
+});
+
 router.get('/changed', auth.checkApiAuth, async (req, res, next) => {
     const lastSyncId = parseInt(req.query.lastSyncId);
 
diff --git a/services/build.js b/services/build.js
index e5ca41958..23a9cd9e6 100644
--- a/services/build.js
+++ b/services/build.js
@@ -1 +1 @@
-module.exports = { build_date:"2017-12-10T23:23:04-05:00", build_revision: "bdeaa2829d4c5436e86d0d943a2a332d0c016804" };
+module.exports = { build_date:"2017-12-12T23:57:58-05:00", build_revision: "2fa57b79fd972b3eda6eb8ef1d26e9915b75fd96" };
diff --git a/services/notes.js b/services/notes.js
index 6bd94bbe6..f02fee4d8 100644
--- a/services/notes.js
+++ b/services/notes.js
@@ -142,6 +142,7 @@ async function updateNote(noteId, newNote, ctx) {
     }
 
     const now = new Date();
+    const nowStr = utils.nowDate();
 
     const historySnapshotTimeInterval = parseInt(await options.getOption('history_snapshot_time_interval'));
 
@@ -170,7 +171,7 @@ async function updateNote(noteId, newNote, ctx) {
                 note_text: oldNote.note_text,
                 is_protected: 0, // will be fixed in the protectNoteHistory() call
                 date_modified_from: oldNote.date_modified,
-                date_modified_to: now
+                date_modified_to: nowStr
             });
 
             await sync_table.addNoteHistorySync(newNoteHistoryId);
@@ -182,7 +183,7 @@ async function updateNote(noteId, newNote, ctx) {
             newNote.detail.note_title,
             newNote.detail.note_text,
             newNote.detail.is_protected,
-            now,
+            nowStr,
             noteId]);
 
         await sync_table.addNoteSync(noteId);
diff --git a/services/ping_job.js b/services/ping_job.js
index 7e8c1b3b8..a7621e269 100644
--- a/services/ping_job.js
+++ b/services/ping_job.js
@@ -3,7 +3,7 @@ const source_id = require('./source_id');
 const utils = require('./utils');
 const messaging = require('./messaging');
 const options = require('./options');
-const sync = require('./sync');
+const sync_setup = require('./sync_setup');
 
 let startTime = utils.nowDate();
 let sentSyncId = [];
@@ -35,7 +35,7 @@ async function sendPing() {
     messaging.sendMessage({
         type: 'sync',
         data: data,
-        changesToPushCount: sync.isSyncSetup ? changesToPushCount : 0
+        changesToPushCount: sync_setup.isSyncSetup ? changesToPushCount : 0
     });
 
     for (const syncId of syncIds) {
diff --git a/services/sync.js b/services/sync.js
index 73c577b96..a3eb10949 100644
--- a/services/sync.js
+++ b/services/sync.js
@@ -5,7 +5,6 @@ const rp = require('request-promise');
 const sql = require('./sql');
 const options = require('./options');
 const utils = require('./utils');
-const config = require('./config');
 const source_id = require('./source_id');
 const notes = require('./notes');
 const syncUpdate = require('./sync_update');
@@ -14,11 +13,7 @@ const event_log = require('./event_log');
 const fs = require('fs');
 const app_info = require('./app_info');
 const messaging = require('./messaging');
-
-const SYNC_SERVER = config['Sync']['syncServerHost'];
-const isSyncSetup = !!SYNC_SERVER;
-const SYNC_TIMEOUT = config['Sync']['syncServerTimeout'] || 5000;
-const SYNC_PROXY = config['Sync']['syncProxy'];
+const sync_setup = require('./sync_setup');
 
 let syncInProgress = false;
 let proxyToggle = true;
@@ -278,7 +273,7 @@ async function checkContentHash(syncContext) {
 }
 
 async function syncRequest(syncContext, method, uri, body) {
-    const fullUri = SYNC_SERVER + uri;
+    const fullUri = sync_setup.SYNC_SERVER + uri;
 
     try {
         const options = {
@@ -287,15 +282,15 @@ async function syncRequest(syncContext, method, uri, body) {
             jar: syncContext.cookieJar,
             json: true,
             body: body,
-            timeout: SYNC_TIMEOUT
+            timeout: sync_setup.SYNC_TIMEOUT
         };
 
         if (syncServerCertificate) {
             options.ca = syncServerCertificate;
         }
 
-        if (SYNC_PROXY && proxyToggle) {
-            options.proxy = SYNC_PROXY;
+        if (sync_setup.SYNC_PROXY && proxyToggle) {
+            options.proxy = sync_setup.SYNC_PROXY;
         }
 
         return await rp(options);
@@ -306,19 +301,17 @@ async function syncRequest(syncContext, method, uri, body) {
 }
 
 sql.dbReady.then(() => {
-    if (isSyncSetup) {
-        log.info("Setting up sync to " + SYNC_SERVER + " with timeout " + SYNC_TIMEOUT);
+    if (sync_setup.isSyncSetup) {
+        log.info("Setting up sync to " + sync_setup.SYNC_SERVER + " with timeout " + sync_setup.SYNC_TIMEOUT);
 
-        if (SYNC_PROXY) {
-            log.info("Sync proxy: " + SYNC_PROXY);
+        if (sync_setup.SYNC_PROXY) {
+            log.info("Sync proxy: " + sync_setup.SYNC_PROXY);
         }
 
-        const syncCertPath = config['Sync']['syncServerCertificate'];
+        if (sync_setup.SYNC_CERT_PATH) {
+            log.info('Sync certificate: ' + sync_setup.SYNC_CERT_PATH);
 
-        if (syncCertPath) {
-            log.info('Sync certificate: ' + syncCertPath);
-
-            syncServerCertificate = fs.readFileSync(syncCertPath);
+            syncServerCertificate = fs.readFileSync(sync_setup.SYNC_CERT_PATH);
         }
 
         setInterval(sync, 60000);
@@ -332,6 +325,5 @@ sql.dbReady.then(() => {
 });
 
 module.exports = {
-    sync,
-    isSyncSetup
+    sync
 };
\ No newline at end of file
diff --git a/services/sync_setup.js b/services/sync_setup.js
new file mode 100644
index 000000000..b51087ed1
--- /dev/null
+++ b/services/sync_setup.js
@@ -0,0 +1,11 @@
+"use strict";
+
+const config = require('./config');
+
+module.exports = {
+    SYNC_SERVER: config['Sync']['syncServerHost'],
+    isSyncSetup: !!config['Sync']['syncServerHost'],
+    SYNC_TIMEOUT: config['Sync']['syncServerTimeout'] || 5000,
+    SYNC_PROXY: config['Sync']['syncProxy'],
+    SYNC_CERT_PATH: config['Sync']['syncServerCertificate']
+};
\ No newline at end of file
diff --git a/services/sync_table.js b/services/sync_table.js
index 65348cf1f..f4c038087 100644
--- a/services/sync_table.js
+++ b/services/sync_table.js
@@ -1,6 +1,7 @@
 const sql = require('./sql');
 const source_id = require('./source_id');
 const utils = require('./utils');
+const sync_setup = require('./sync_setup');
 
 async function addNoteSync(noteId, sourceId) {
     await addEntitySync("notes", noteId, sourceId)
@@ -27,12 +28,14 @@ async function addRecentNoteSync(notePath, sourceId) {
 }
 
 async function addEntitySync(entityName, entityId, sourceId) {
-    await sql.replace("sync", {
-        entity_name: entityName,
-        entity_id: entityId,
-        sync_date: utils.nowDate(),
-        source_id: sourceId || source_id.currentSourceId
-    });
+    if (sync_setup.isSyncSetup) {
+        await sql.replace("sync", {
+            entity_name: entityName,
+            entity_id: entityId,
+            sync_date: utils.nowDate(),
+            source_id: sourceId || source_id.currentSourceId
+        });
+    }
 }
 
 module.exports = {
diff --git a/services/sync_update.js b/services/sync_update.js
index f73561445..2c553d4a2 100644
--- a/services/sync_update.js
+++ b/services/sync_update.js
@@ -1,7 +1,6 @@
 const sql = require('./sql');
 const log = require('./log');
 const options = require('./options');
-const utils = require('./utils');
 const eventLog = require('./event_log');
 const notes = require('./notes');
 const sync_table = require('./sync_table');
@@ -19,9 +18,6 @@ async function updateNote(entity, sourceId) {
 
         log.info("Update/sync note " + entity.note_id);
     }
-    else {
-        await eventLog.addNoteEvent(entity.note_id, "Sync conflict in note <note>, " + utils.formatTwoDates(origNote.date_modified, entity.date_modified));
-    }
 }
 
 async function updateNoteTree(entity, sourceId) {
@@ -37,9 +33,6 @@ async function updateNoteTree(entity, sourceId) {
 
             log.info("Update/sync note tree " + entity.note_tree_id);
         }
-        else {
-            await eventLog.addNoteEvent(entity.note_tree_id, "Sync conflict in note tree <note>, " + utils.formatTwoDates(orig.date_modified, entity.date_modified));
-        }
     });
 }
 
@@ -54,9 +47,6 @@ async function updateNoteHistory(entity, sourceId) {
 
             log.info("Update/sync note history " + entity.note_history_id);
         }
-        else {
-            await eventLog.addNoteEvent(entity.note_id, "Sync conflict in note history for <note>, " + utils.formatTwoDates(orig.date_modified_to, entity.date_modified_to));
-        }
     });
 }
 
@@ -85,9 +75,6 @@ async function updateOptions(entity, sourceId) {
 
             await eventLog.addEvent("Synced option " + entity.opt_name);
         }
-        else {
-            await eventLog.addEvent("Sync conflict in options for " + entity.opt_name + ", " + utils.formatTwoDates(orig.date_modified, entity.date_modified));
-        }
     });
 }
 
diff --git a/services/utils.js b/services/utils.js
index 09f5190d2..6f06a52a9 100644
--- a/services/utils.js
+++ b/services/utils.js
@@ -62,10 +62,6 @@ function isElectron() {
     return !!process.versions['electron'];
 }
 
-function formatTwoDates(origDate, newDate) {
-    return "orig: " + origDate + ", new: " + newDate;
-}
-
 function hash(text) {
     return crypto.createHash('sha1').update(text).digest('base64');
 }
@@ -88,7 +84,6 @@ module.exports = {
     fromBase64,
     hmac,
     isElectron,
-    formatTwoDates,
     hash,
     isEmptyOrWhitespace
 };
\ No newline at end of file
diff --git a/views/index.ejs b/views/index.ejs
index 902ed134d..262f1be48 100644
--- a/views/index.ejs
+++ b/views/index.ejs
@@ -165,6 +165,7 @@
           <li><a href="#change-password">Change password</a></li>
           <li><a href="#protected-session-timeout">Protected session</a></li>
           <li><a href="#history-snapshot-time-interval">History snapshots</a></li>
+          <li><a href="#sync">Sync</a></li>
           <li><a href="#about">About Trilium</a></li>
         </ul>
         <div id="change-password">
@@ -212,6 +213,9 @@
             <button class="btn btn-sm">Save</button>
           </form>
         </div>
+        <div id="sync">
+          <button id="force-full-sync-button" class="btn btn-sm">Force full sync</button>
+        </div>
         <div id="about">
           <table class="table">
             <tr>