Drag watermark • Live preview • Tile supported
Drag & drop images or
Supports: JPG, PNG, WEBP, HEIC • Limit: 500 files / 2 GB
Protect your photos, digital artwork or brand visuals with ConvertorLab’s free Add Watermark tool. Easily add watermark to photo, watermark pictures or place your logo on images — instantly, directly in your browser with no uploads, no sign‑ups and zero software required.
Whether you're a photographer, designer or social‑media creator, you can create text or logo watermarks with full control over size, position and transparency. Use our tool to create brand watermarks, insert logo into images, or watermark your pictures to prevent unauthorized use and enhance your professional visibility.
Everything happens locally on your device — your images stay 100 % private. ConvertorLab’s watermark creator supports JPG, PNG, WebP and more, and works across desktop and mobile. Customize text or image watermarks with ease and export watermarked images in seconds.
Forget complicated editing software or risky online uploaders. With ConvertorLab’s Add Watermark tool, you can watermark photos online, add logo watermark or apply text watermark quickly, for free and with professional‑quality results.
Original Image: Pure photo or graphic with no branding or protection. Watermarked Image: The same image with a visible brand mark, logo or text overlay — protecting your rights and enhancing brand visibility while retaining original clarity.
With ConvertorLab you get professional‑quality watermarked images that look polished and branded — without distortion, quality loss or complex workflows.
No — our watermark maker overlays your text or logo without degrading the base image’s resolution or clarity.
No. All processing is done locally in your browser — your files never leave your device and remain private.
Yes — batch mode is supported, so you can watermark several images in one go.
Yes — the watermark tool is compatible with iPhone, Android, tablets and desktops.
Yes — you can choose text watermark or upload your own logo/image and adjust its properties accordingly.
Yes — it is completely free with no registration, no watermarks added by the tool, and no hidden costs.
Adding watermark to images is so easy. Just import your images and Type your protected text or just add your watermark logo and save your watermakred images using ConvertorLab's free Watermark Maker tool.
ConvertorLab offers every tool you need — from resize images, crop pictures online, and add watermarks to images. Merg, Split, Organize or protect Pdfs. Whether you want to extract pages from PDF or make images grayscale, everything is available in one place — free, simple, and in your browser.
Every action — whether you merge PDFs online, crop images, or remove a password from PDF — happens directly on your device. No uploads, no waiting, and no tracking. Your files remain private and secure while you enjoy lightning-fast results with professional accuracy.
Every tool is built for creators and professionals. From perfectly resized images and cropped photos to well-organized and combined PDF documents, ConvertorLab ensures top quality and precision every time. Get polished results instantly — without any apps or logins.
At Convertor Lab, your files never leave your device. Every image, document, or PDF you process is handled entirely within your browser using secure client-side technology. This means no uploads, no tracking, and no external storage — ever.
We do not collect, view, or save any of your files or personal information. All conversions, compressions, and edits happen locally using trusted browser APIs (HTML5 & JavaScript). Once you close the page, everything is gone — instantly.
This private-by-design approach keeps your creative work and personal data
completely safe. Whether you’re converting a single photo or managing a PDF
project, you remain in full control at all times.
Convertor Lab — where performance meets privacy.