diff --git a/InfoLogger/public/constants/text-filter-operators.const.js b/InfoLogger/public/constants/text-filter-operators.const.js
new file mode 100644
index 000000000..3aa6587f3
--- /dev/null
+++ b/InfoLogger/public/constants/text-filter-operators.const.js
@@ -0,0 +1,18 @@
+/**
+ * @license
+ * Copyright 2019-2020 CERN and copyright holders of ALICE O2.
+ * See http://alice-o2.web.cern.ch/copyright for details of the copyright holders.
+ * All rights not expressly granted are reserved.
+ *
+ * This software is distributed under the terms of the GNU General Public
+ * License v3 (GPL Version 3), copied verbatim in the file "COPYING".
+ *
+ * In applying this license CERN does not waive the privileges and immunities
+ * granted to it by virtue of its status as an Intergovernmental Organization
+ * or submit itself to any jurisdiction.
+ */
+
+/**
+ * Operators used with the text filters.
+ */
+export const TEXT_FILTER_OPERATORS = Object.freeze(['since', 'until', 'match', 'exclude']);
diff --git a/InfoLogger/public/log/Log.js b/InfoLogger/public/log/Log.js
index 26f82ed7f..a7f615841 100644
--- a/InfoLogger/public/log/Log.js
+++ b/InfoLogger/public/log/Log.js
@@ -325,6 +325,14 @@ export default class Log extends Observable {
     if (!this.model.frameworkInfo.isSuccess() || !this.model.frameworkInfo.payload.mysql.status.ok) {
       throw new Error('Query service is not available');
     }
+
+    if (!this.filter.hasActiveTextFilters()) {
+      if (!window.confirm('No date or text filters set.'
+        + ' This will return a large amount of data. Execute query anyway?')) {
+        return;
+      }
+    }
+
     this.queryResult = RemoteData.loading();
     this.notify();
 
diff --git a/InfoLogger/public/logFilter/LogFilter.js b/InfoLogger/public/logFilter/LogFilter.js
index 502b10def..2410dcb00 100644
--- a/InfoLogger/public/logFilter/LogFilter.js
+++ b/InfoLogger/public/logFilter/LogFilter.js
@@ -13,6 +13,7 @@
  */
 
 import { Observable } from '/js/src/index.js';
+import { TEXT_FILTER_OPERATORS } from '../constants/text-filter-operators.const.js';
 
 /**
  * @typedef Criteria
@@ -142,6 +143,16 @@ export default class LogFilter extends Observable {
     this.notify();
   }
 
+  /**
+   * Check whether at least one text filter is set by the user.
+   * Only text filters use the since/until and match/exclude fields.
+   * @returns {boolean} true if at least one text filter has a value
+   */
+  hasActiveTextFilters() {
+    return Object.values(this.criterias).some((criteria) =>
+      TEXT_FILTER_OPERATORS.some((operator) => criteria[operator]?.trim()));
+  }
+
   /**
    * Generates a function to filter a log passed as argument to it
    * Output of function is boolean.
diff --git a/InfoLogger/test/public/query-mode-mocha.js b/InfoLogger/test/public/query-mode-mocha.js
index 42888c7f9..36fd85cad 100644
--- a/InfoLogger/test/public/query-mode-mocha.js
+++ b/InfoLogger/test/public/query-mode-mocha.js
@@ -17,6 +17,74 @@
 const assert = require('assert');
 const test = require('../mocha-index');
 
+const TEXT_FILTER_VALUE_BY_OPERATOR = {
+  since: '2026-01-01T00:00:00.000Z',
+  until: '2026-01-01T00:00:00.000Z',
+  match: 'some-message',
+  exclude: 'some-message',
+};
+
+const TEXT_FILTER_FIELD_BY_OPERATOR = {
+  since: 'timestamp',
+  until: 'timestamp',
+  match: 'message',
+  exclude: 'message',
+};
+
+/**
+ * Runs model.log.query() in the browser context with mocked dependencies.
+ * @param {Page} page - puppeteer page
+ * @param {object} options
+ * @param {boolean} options.confirmReturn - value window.confirm will return
+ * @param {string} [options.textFilterOperator] - operator to set before querying
+ * @returns {Promise<{confirmCalls: number, postCalls: number}>}
+ */
+const runQueryWithMocks = (page, { confirmReturn, textFilterOperator }) =>
+  // Sets up mocks for confirmation dialog and post request, needs to be run in the browser context
+  page.evaluate(async ({
+    confirmReturn,
+    textFilterOperator,
+    textFilterValueByOperator,
+    textFilterFieldByOperator,
+  }) => {
+    let confirmCalls = 0;
+    let postCalls = 0;
+
+    window.confirm = () => {
+      confirmCalls += 1;
+      return confirmReturn;
+    };
+
+    window.model.loader.post = async () => {
+      postCalls += 1;
+      return { ok: true, result: { rows: [] } };
+    };
+
+    // Mock the frameworkInfo to make the query method think the query service is available in its check
+    window.model.frameworkInfo = {
+      isSuccess: () => true,
+      payload: { mysql: { status: { ok: true } } },
+    };
+
+    // Default state of filters includes no text filters
+    window.model.log.filter.resetCriteria();
+    if (textFilterOperator) {
+      window.model.log.filter.setCriteria(
+        textFilterFieldByOperator[textFilterOperator],
+        textFilterOperator,
+        textFilterValueByOperator[textFilterOperator],
+      );
+    }
+    await window.model.log.query();
+
+    return { confirmCalls, postCalls };
+  }, {
+    confirmReturn,
+    textFilterOperator,
+    textFilterValueByOperator: TEXT_FILTER_VALUE_BY_OPERATOR,
+    textFilterFieldByOperator: TEXT_FILTER_FIELD_BY_OPERATOR,
+  });
+
 describe('Query Mode test-suite', async () => {
   let page;
 
@@ -34,4 +102,34 @@ describe('Query Mode test-suite', async () => {
       // code failed, so it is a successful test
     }
   });
+
+  describe('no-text-filter confirmation dialog', () => {
+    let textFilterOperators;
+
+    before(async () => {
+      ({
+        TEXT_FILTER_OPERATORS: textFilterOperators,
+      } = await import('../../public/constants/text-filter-operators.const.js'));
+    });
+
+    it('should ask for confirmation when no text filters are set and not execute query when user cancels', async () => {
+      const result = await runQueryWithMocks(page, { confirmReturn: false });
+      assert.strictEqual(result.confirmCalls, 1);
+      assert.strictEqual(result.postCalls, 0);
+    });
+
+    it('should execute the query when no text filters are set but user confirms the dialog anyway', async () => {
+      const result = await runQueryWithMocks(page, { confirmReturn: true });
+      assert.strictEqual(result.confirmCalls, 1);
+      assert.strictEqual(result.postCalls, 1);
+    });
+
+    it('should not ask for confirmation for each active text filter operator', async () => {
+      for (const operator of textFilterOperators) {
+        const result = await runQueryWithMocks(page, { confirmReturn: true, textFilterOperator: operator });
+        assert.strictEqual(result.confirmCalls, 0, `expected no confirm dialog for operator "${operator}"`);
+        assert.strictEqual(result.postCalls, 1, `expected query execution for operator "${operator}"`);
+      }
+    });
+  });
 });