Photo 1 - A person's face
Pixelate: just the face itself - the hair, ears, and background stay exactly as they are.
No sign-up · Runs 100% in your browser
Hide details on an ID card or passport
Sharing a photo of an ID? Cover the parts the other side does not need, like the document number, date of birth, address and barcode. Your photo never leaves your device.
See it in action
Drag the slider
Email, phone number and order number covered. All names are fictional.
Drag & drop an image here
or paste from your clipboard (Ctrl/Cmd + V) anywhere on this page
PNG, JPG, or WebP · max 20 MB · max 8000 × 8000 px · 40 megapixels · no account needed
Try an example first
Real photos and documents, each shown as actual images: Before is the original, After is the same image with the effect really applied. Open one and try it yourself.
Photos - faces, people & animals
A face close-up, a full person, and an animal. Only the subject itself is pixelated in each “After” image - everything else in the photo stays visible and unchanged, and every photo is shown in full, never cropped.
Photo 2 - A full person
Pixelate: the whole figure, head to toe, so the person cannot be recognised.
Photo 3 - An animal (dog)
Pixelate: only the dog's head - its body and the sunny field around it stay exactly as they are.
Documents & screenshots
A chat, an invoice, and an email thread, all with made-up names and numbers, with solid covers over the private details.
Example 1 - Support chat
Hide: the customer's email, phone number, and order number.
Preparing the before / after images…
Example 2 - Invoice
Hide: the billing email, account number, and total due.
Preparing the before / after images…
Example 3 - Email thread
Hide: both email addresses and the one-time sign-in code.
Preparing the before / after images…
Prefer the numbers dashboard? - revenue figures, a fictional email, phone, and API key to cover.
Quick answer
To hide details on an ID card or passport photo, open BlurTool, add the photo, draw a solid Cover box over each field the recipient does not need (such as the document number, date of birth, address, signature, barcode and the machine-readable lines), then download. The photo is processed in your browser and never uploaded.
How to redact an ID card or passport photo
Add the photo
Drop or choose the photo or scan of the document. It stays on your device.
Decide what to keep
Keep only what the recipient asked for, often your name and photo. Everything else can be covered.
Cover each field
Box the document number, date of birth, address, signature, barcode or QR code, and the MRZ lines at the bottom of passports.
Download
Export a flattened PNG or JPG and share that copy instead of the original.
Cover vs blur vs pixelate
| Effect | What it does | Best for | Safe for secrets? |
|---|---|---|---|
| Cover | Replaces the area with a solid opaque block | Passwords, API keys, card and account numbers, emails | Yes, at 100% opacity |
| Pixelate | Replaces the area with large single-color blocks | Faces, people, license plates in photos | Not for short text; use large blocks |
| Blur | Smooths the area with a Gaussian blur | Backgrounds and non-critical details | No, light blur can be reversed |
Key facts
- The machine-readable zone (the two or three lines of characters at the bottom of a passport or ID) repeats the document number and date of birth.
- Barcodes and QR codes on driver's licenses and ID cards often encode the same personal data printed on the card.
- Some services legally require the full document for identity checks; redact only when the recipient does not need the hidden fields.
- BlurTool processes images locally in the browser; the image file is never uploaded to a server.
- Exports are flattened PNG or JPG files at the original resolution, with no layers and no copied EXIF metadata.
- BlurTool accepts PNG, JPG or WebP images up to 20 MB, 8000 px per side and 40 megapixels.
- The manual editor is free and needs no account or sign-up.
Frequently asked questions
What should I hide on an ID before sharing it?
Usually the document number, date of birth, home address, signature, barcode or QR code, and the machine-readable lines. Keep only what the recipient actually needs.
Is it safe to edit my passport photo online?
With BlurTool, yes: the photo is processed in your browser and never uploaded. Avoid tools that upload ID documents to a server.
Should I blur or cover ID numbers?
Cover them with a solid block at 100% opacity. Blurred numbers can sometimes be read or guessed.
Can I add a watermark like 'for verification only'?
Not yet. Today BlurTool covers, blurs and pixelates. Covering unneeded fields is the most effective protection.
More answers on the Help and FAQ page.
Everything you need to share safely
The manual editor is free forever. Advanced automation is coming with Pro.
Manual redaction editor
FREEDraw, move, and resize boxes over anything private. Zoom, pan, undo/redo, and hold-to-compare included.
Cover · Blur · Pixelate
FREEThree effects per region, with strength and an opacity slider - 100%, 75%, 50%, or 25% - baked into the export.
Private by design
FREEEditing and export run locally in your browser. No image upload, no original layers or metadata in downloads.
Auto detection
PROUNDER CONSTRUCTIONFinds emails, phone numbers and your own watch-words on your device, then covers the ones you approve.
Included in the 30-day free trial.
Bulk / Batch processing
PROUNDER CONSTRUCTIONRedact many screenshots at once with the same settings, review each one, and export the set as a ZIP.
Included in the 30-day free trial.
Saved presets
PROUNDER CONSTRUCTIONSave your effect, opacity, color, and export settings once - then reuse them on every new image.
Included in the 30-day free trial.
Free for manual editing. Pro for automation.
Start free with the full manual editor - no account, no card. Pro adds auto detection, batch processing and saved presets. Every new account gets 30 days of Pro free, with no credit card.
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For the screenshots you share every day
Revenue dashboards, sale threads and buyer chats, support tickets, invoices, and email threads all hit the same problem: one visible email, API key, or phone number can undo the whole post. The default here is a solid cover - the only effect that guarantees nothing shows through - with blur and pixelate available for softer details. New to it? Open one of the photo or document examples above and practise first.
Your next screenshot is one cover away from safe.
Open the free editor, drop in an image, and download a clean copy at full resolution - no account, no upload, no watermark.