Crop Image
Free online image cropper: crop JPG, PNG, and WebP images with freeform or aspect ratio presets (1:1, 16:9, 9:16). 100% private in-browser with zero uploads.
Blur Image
Free online image blur tool: blur faces, pixelate sensitive text, license plates, or photo backgrounds. 100% private in-browser with zero server uploads.
Select or Drop Photos to Blur & Censor
Blur faces, license plates, credit card numbers, or pixelate sensitive document text. 100% private in-browser.
100% Private In-BrowserPixelate & Smooth BlurFull Resolution Export
Comment utiliser: Blur Image
Upload single or multiple JPG, PNG, or WebP photos (or click 'Try Sample ID Document' for an instant demonstration).
Select 'Selected Areas' to censor specific parts or 'Entire Photo' to blur the full background.
Choose 'Pixelate (Mosaic)' for classic censor blocks or 'Smooth Blur' for soft blending, and adjust the strength slider.
Click and drag directly on the photo to draw blur boxes over faces, license plates, or confidential numbers.
Preview in real time and click 'Download Blurred Image' or 'Download All as ZIP' to save without quality loss.
Exemples
- Entrée
- Street Photography Scene: Portrait photograph containing visible pedestrian faces and a parked automobile license plate.
- Sortie
- Cleanly censored JPEG (1.4 MB) with 24px pixelation blocks concealing faces and vehicle registration details.
Protects pedestrian privacy and GDPR compliance before uploading street photography to social media.
- Entrée
- Official Driver's License or ID Proof: Scanned PNG document with home address, ID number, and signature.
- Sortie
- Secure redacted PNG (820 KB) with smooth blurred censor boxes over sensitive PII numbers.
100% client-side execution guarantees your confidential identity papers are never uploaded to remote cloud servers.
Privacy Protection in Digital Media: When and How to Censor Photos
Sharing images online comes with legal and personal privacy responsibilities. A quick photo of a receipt, an ID card, a vehicle in traffic, or friends at an event often inadvertently exposes confidential information—such as Social Security numbers, license plate numbers, home addresses, or minors' faces.
Using an in-browser image censoring tool allows you to obscure confidential sections before publishing to Instagram, Reddit, Twitter/X, or public customer support tickets.
Pixelate vs. Gaussian Blur: Which Should You Choose?
Both methods effectively destroy identifiable details, but they serve distinct visual purposes:
- Pixelate (Mosaic Censoring): The gold standard for legal, journalistic, and security redactions. It signals clearly to viewers that content has been deliberately redacted for privacy without appearing accidental.
- Smooth Blur: Blends pixel gradients for a soft aesthetic look. Ideal for blurring background clutter, defocusing irrelevant photo regions, or creating modern wallpaper effects.
Irreversible Security with Zero Cloud Storage
Never upload private IDs, banking screenshots, or sensitive family photos to third-party cloud photo editors. Many cloud services log images, train machine learning models, or expose upload URLs. Toolhast processes everything 100% client-side in your local browser sandbox—guaranteeing complete privacy.
Foire aux questions
Why should I blur faces, license plates, or sensitive documents?
Censoring personal identifiable information (PII) protects individual privacy, prevents identity theft, and complies with international privacy regulations such as GDPR and CCPA when sharing media publicly.
What is the difference between Pixelate (Mosaic) and Smooth Blur?
Pixelate averages colors into distinct blocky squares (mosaic effect), which is the recognized visual standard for broadcast news and legal document redactions. Smooth Blur blends neighboring pixels into a soft, frosted-glass effect ideal for artistic portraits and aesthetic background defocusing.
Can someone unblur or reverse the pixelation to reveal my private data?
No. When pixelate or blur is applied and exported, the original underlying pixel values are irreversibly mathematically averaged and overwritten in the canvas buffer. The exported image file contains zero residual trace of the original hidden pixels.
Can I blur multiple faces or different areas on the same photograph?
Yes. You can click and drag across the image as many times as you need to create multiple censor boxes. Each box can have its own independent position and size, and you can undo or delete individual boxes at any time.
Are my private photos uploaded or stored on any server?
Never. Toolhast operates strictly inside your web browser sandbox using the HTML5 Canvas API and JavaScript TypedArrays. Your private images and confidential identification proofs never traverse the internet.
Does blurring lower the overall sharpness of the unblurred parts?
No. Only the exact rectangular regions you select are blurred or pixelated. The rest of the photograph retains 100% of its original optical clarity, camera resolution, and detail.
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Rotate Image
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Privé : cet outil s'exécute dans votre navigateur. Rien de ce que vous tapez n'est envoyé.
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