Faces, number plates, house numbers, names, card and account numbers, QR codes: Redact finds them in your photos and screenshots, you check, and the covers become part of the picture, so they can't be lifted off.
Nothing leaves this device. Nothing is uploaded, and nothing is kept after you close the app.
Cleaning our redaction spectacles so we don't miss anything…
Unfolding the cloth…
Pictures
Tap one to check and cover it
Why use Redact
Screenshots for help or proof. A chat, a delivery problem, a bank or app error: send it without your card number, email address or phone number.
Photos of people who didn't ask to be online. Children, friends, strangers in the background.
Photos of your home, car or street. House numbers, number plates, street signs and parcel labels say where you live.
Documents and tickets. ID numbers, boarding-pass barcodes and booking codes can be used by anyone who sees them.
Covers that stay covered. A box drawn on top in many editors can be removed again. Redact replaces the pixels and saves a new picture with no hidden data about you or your phone.
What Redact can't find for you
Check the whole picture yourself. Detection is a helper, not a guarantee. Cover anything it missed with a box or the brush.
Hard to find: faces mostly hidden, turned away or seen from above; very small, blurred or dark faces; handwriting; text at a steep angle, in fancy lettering or under glare (take another photo if you can); reflections; screens and photos inside the picture; tattoos.
Names and addresses can't be recognised as such. Type them in Find words and Redact finds them in every picture.
Your original stays as it was. The uncovered picture is still in your gallery and in any cloud backup.
No guarantee. Redact is free software provided as it is, without any warranty. Check every picture before you share it. You are responsible for what you share, and Anonaconda Code Lab accepts no liability for any loss or harm from using this app.
No ads, no tracking. If you find this app useful, please consider making a small donation to help fund development. Thank you!
What should Redact cover?
Redact looks for all of these. Ticked ones are covered straight away; the others are marked so you can cover them with a tap. You can change this for each picture.
Cover colour
Faces
A mosaic hides the face but still shows hair, skin tone and outline, and software can sometimes recognise a face through a mosaic. For anyone who must not be recognised, use solid. Text is always covered solid: blurred text can be read back.
Find wordsnames, streets, numbers you type
Found in every open picture, allowing for small reading errors. The list is kept until you close Redact; save it to a file to use again.
Checking…
Your original picture is unchanged: it is still in your gallery, and in any cloud backup.
Enjoying Redact? You've saved 20 pictures. No ads, no tracking. If you find this app useful, please consider making a small donation to help fund development. Thank you!
Questions or problems: hello@anonacondacodelab.com. A description or a screenshot of the app is usually enough; please don't send the pictures you were covering.
Redact 1.0.0: licences of the components built into the app.
Redact itself: GNU General Public License v3 or later (the LICENSE file in the source code).
==============================================================================
ONNX Runtime Web 1.31.1
==============================================================================
MIT License
Copyright (c) Microsoft Corporation
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
==============================================================================
zxing-wasm 3.1.6
==============================================================================
MIT License
Copyright (c) 2023 Ze-Zheng Wu
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
==============================================================================
ZXing-C++ (in zxing-wasm)
tesseract.js-core 6.1.2 and Tesseract
Tesseract language data (tessdata_fast)
PaddleOCR PP-OCRv4 text detector
==============================================================================
Apache License
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==============================================================================
Leptonica (in tesseract.js-core)
==============================================================================
/*====================================================================*
- Copyright (C) 2001-2020 Leptonica. All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
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- copyright notice, this list of conditions and the following
- disclaimer in the documentation and/or other materials
- provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANY
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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- OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*====================================================================*/
==============================================================================
YuNet face detector (OpenCV Zoo)
==============================================================================
MIT License
Copyright (c) 2020 Shiqi Yu <shiqi.yu@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
==============================================================================
Instrument Sans typeface
==============================================================================
Copyright 2022 The Instrument Sans Project Authors (https://github.com/Instrument/instrument-sans) InstrumentSans-Italic[wdth,wght].ttf: Copyright 2022 The Instrument Sans Project Authors (https://github.com/Instrument/instrument-sans)
This Font Software is licensed under the SIL Open Font License, Version 1.1.
This license is copied below, and is also available with a FAQ at:
http://scripts.sil.org/OFL
-----------------------------------------------------------
SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
-----------------------------------------------------------
PREAMBLE
The goals of the Open Font License (OFL) are to stimulate worldwide
development of collaborative font projects, to support the font creation
efforts of academic and linguistic communities, and to provide a free and
open framework in which fonts may be shared and improved in partnership
with others.
The OFL allows the licensed fonts to be used, studied, modified and
redistributed freely as long as they are not sold by themselves. The
fonts, including any derivative works, can be bundled, embedded,
redistributed and/or sold with any software provided that any reserved
names are not used by derivative works. The fonts and derivatives,
however, cannot be released under any other type of license. The
requirement for fonts to remain under this license does not apply
to any document created using the fonts or their derivatives.
DEFINITIONS
"Font Software" refers to the set of files released by the Copyright
Holder(s) under this license and clearly marked as such. This may
include source files, build scripts and documentation.
"Reserved Font Name" refers to any names specified as such after the
copyright statement(s).
"Original Version" refers to the collection of Font Software components as
distributed by the Copyright Holder(s).
"Modified Version" refers to any derivative made by adding to, deleting,
or substituting -- in part or in whole -- any of the components of the
Original Version, by changing formats or by porting the Font Software to a
new environment.
"Author" refers to any designer, engineer, programmer, technical
writer or other person who contributed to the Font Software.
PERMISSION & CONDITIONS
Permission is hereby granted, free of charge, to any person obtaining
a copy of the Font Software, to use, study, copy, merge, embed, modify,
redistribute, and sell modified and unmodified copies of the Font
Software, subject to the following conditions:
1) Neither the Font Software nor any of its individual components,
in Original or Modified Versions, may be sold by itself.
2) Original or Modified Versions of the Font Software may be bundled,
redistributed and/or sold with any software, provided that each copy
contains the above copyright notice and this license. These can be
included either as stand-alone text files, human-readable headers or
in the appropriate machine-readable metadata fields within text or
binary files as long as those fields can be easily viewed by the user.
3) No Modified Version of the Font Software may use the Reserved Font
Name(s) unless explicit written permission is granted by the corresponding
Copyright Holder. This restriction only applies to the primary font name as
presented to the users.
4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
Software shall not be used to promote, endorse or advertise any
Modified Version, except to acknowledge the contribution(s) of the
Copyright Holder(s) and the Author(s) or with their explicit written
permission.
5) The Font Software, modified or unmodified, in part or in whole,
must be distributed entirely under this license, and must not be
distributed under any other license. The requirement for fonts to
remain under this license does not apply to any document created
using the Font Software.
TERMINATION
This license becomes null and void if any of the above conditions are
not met.
DISCLAIMER
THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
OTHER DEALINGS IN THE FONT SOFTWARE.
==============================================================================
IBM Plex Mono typeface
==============================================================================
Copyright 2017 IBM Corp. All rights reserved. IBMPlexMono-ThinItalic.ttf: Copyright 2017 IBM Corp. All rights reserved. IBMPlexMono-ExtraLight.ttf: Copyright 2017 IBM Corp. All rights reserved. IBMPlexMono-ExtraLightItalic.ttf: Copyright 2017 IBM Corp. All rights reserved. IBMPlexMono-Light.ttf: Copyright 2017 IBM Corp. All rights reserved. IBMPlexMono-LightItalic.ttf: Copyright 2017 IBM Corp. All rights reserved. IBMPlexMono-Regular.ttf: Copyright 2017 IBM Corp. All rights reserved. IBMPlexMono-Italic.ttf: Copyright 2017 IBM Corp. All rights reserved. IBMPlexMono-Medium.ttf: Copyright 2017 IBM Corp. All rights reserved. IBMPlexMono-MediumItalic.ttf: Copyright 2017 IBM Corp. All rights reserved. IBMPlexMono-SemiBold.ttf: Copyright 2017 IBM Corp. All rights reserved. IBMPlexMono-SemiBoldItalic.ttf: Copyright 2017 IBM Corp. All rights reserved. IBMPlexMono-Bold.ttf: Copyright 2017 IBM Corp. All rights reserved. IBMPlexMono-BoldItalic.ttf: Copyright 2017 IBM Corp. All rights reserved.
This Font Software is licensed under the SIL Open Font License, Version 1.1.
This license is copied below, and is also available with a FAQ at:
http://scripts.sil.org/OFL
-----------------------------------------------------------
SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
-----------------------------------------------------------
PREAMBLE
The goals of the Open Font License (OFL) are to stimulate worldwide
development of collaborative font projects, to support the font creation
efforts of academic and linguistic communities, and to provide a free and
open framework in which fonts may be shared and improved in partnership
with others.
The OFL allows the licensed fonts to be used, studied, modified and
redistributed freely as long as they are not sold by themselves. The
fonts, including any derivative works, can be bundled, embedded,
redistributed and/or sold with any software provided that any reserved
names are not used by derivative works. The fonts and derivatives,
however, cannot be released under any other type of license. The
requirement for fonts to remain under this license does not apply
to any document created using the fonts or their derivatives.
DEFINITIONS
"Font Software" refers to the set of files released by the Copyright
Holder(s) under this license and clearly marked as such. This may
include source files, build scripts and documentation.
"Reserved Font Name" refers to any names specified as such after the
copyright statement(s).
"Original Version" refers to the collection of Font Software components as
distributed by the Copyright Holder(s).
"Modified Version" refers to any derivative made by adding to, deleting,
or substituting -- in part or in whole -- any of the components of the
Original Version, by changing formats or by porting the Font Software to a
new environment.
"Author" refers to any designer, engineer, programmer, technical
writer or other person who contributed to the Font Software.
PERMISSION & CONDITIONS
Permission is hereby granted, free of charge, to any person obtaining
a copy of the Font Software, to use, study, copy, merge, embed, modify,
redistribute, and sell modified and unmodified copies of the Font
Software, subject to the following conditions:
1) Neither the Font Software nor any of its individual components,
in Original or Modified Versions, may be sold by itself.
2) Original or Modified Versions of the Font Software may be bundled,
redistributed and/or sold with any software, provided that each copy
contains the above copyright notice and this license. These can be
included either as stand-alone text files, human-readable headers or
in the appropriate machine-readable metadata fields within text or
binary files as long as those fields can be easily viewed by the user.
3) No Modified Version of the Font Software may use the Reserved Font
Name(s) unless explicit written permission is granted by the corresponding
Copyright Holder. This restriction only applies to the primary font name as
presented to the users.
4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
Software shall not be used to promote, endorse or advertise any
Modified Version, except to acknowledge the contribution(s) of the
Copyright Holder(s) and the Author(s) or with their explicit written
permission.
5) The Font Software, modified or unmodified, in part or in whole,
must be distributed entirely under this license, and must not be
distributed under any other license. The requirement for fonts to
remain under this license does not apply to any document created
using the Font Software.
TERMINATION
This license becomes null and void if any of the above conditions are
not met.
DISCLAIMER
THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
OTHER DEALINGS IN THE FONT SOFTWARE.
What Redact does
Redact covers what people can see in your photos and screenshots before you share them: faces, number plates, house numbers, names and addresses, card and account numbers, email addresses and phone numbers, QR codes and barcodes.
The covers become part of the picture. Many editors draw a box on top that can be removed again; Redact replaces the pixels underneath and saves a new picture made only from what you see, with no hidden details about you or your phone.
Check every picture yourself before you share it. Redact finds a lot, but not everything. You decide what is covered, and you can cover anything by hand.
Covering a picture
Tap Open photos (your gallery) or Browse files (any folder: Downloads, a USB stick, a cloud drive on your phone). Several pictures at once is fine, up to 20. On a computer you can also drop pictures onto the page. In the Android app you can also share pictures to Redact from your gallery or another app.
The first time, choose what Redact should cover straight away (see below). Tick Remember my choice to skip this next time.
Redact looks at each picture: faces, text, codes. It takes a few seconds a picture.
Tap a picture to check it. What is covered shows as it will be saved; what was found but not covered has a dashed outline in its category's colour.
Change what you need (see The editor), then tap Check and save.
Redact makes the new picture, checks it (see Check and save) and shows it. Tap Save or Share.
What Redact looks for
Faces: People, also small ones in the background.
Card and bank numbers: Card numbers (only when the card checksum fits) and IBANs (checked).
ID numbers: Thai ID card numbers (checked) and the machine-readable lines of passports and ID cards.
Email addresses: Also when a letter is misread.
Phone numbers: International (+66 …) and national (08…, (02) …) numbers.
QR codes and barcodes: And the text printed next to them, which usually says the same thing. What a code holds is never shown or kept.
Web addresses: Links and website names.
Long numbers: Account, order and booking numbers of 8 digits or more (not dates or amounts).
Other text: Every other piece of text: signs, number plates, house numbers, names, each line of a screenshot.
Possible text: Shapes the detector took for text but that read as nothing, such as railings or patterns.
Your words: Everything you typed in Find words.
By hand: Boxes and brush strokes you drew.
Ticked categories are covered straight away; the others are marked so you can cover them with a tap. You can change the choice at any time in Settings (the sliders icon), and for each picture in the editor.
Names and addresses can't be recognised as such. Type them in Find words and Redact finds them in every picture.
The editor
The category bar above the picture shows what was found. Tap a category to cover all of it, tap again to uncover all of it.
Tap (the first tool): tap a cover to remove it, or a dashed outline to cover it. A cover you tap gets corner handles: drag them to make it larger or smaller.
Box: drag across anything to cover it.
Brush: paint over anything, such as a face turned away or a name at an angle. The slider sets the brush size.
Zoom with two fingers (or the mouse wheel), and move the picture with two fingers (or by dragging with Tap).
Undo and Redo (the arrows) take back any change.
‹ › go to the previous and next picture.
Cover colour and faces
Black, White, or Colour from around: the colour of what surrounds each cover (the paper, the screen's background). Colour from around makes a screenshot look as if the details were never there.
Faces: Mosaic covers faces with large blocks of colour instead. It hides the face but still shows hair, skin tone and outline, and software can sometimes recognise a face through a mosaic: for anyone who must not be recognised, use Solid. Text is always covered solid, because blurred or pixelated text can be read back.
Find words
Open Find words, type a name, a street, a number plate or any other word, and tap Add. Redact finds it in every open picture, allowing for small reading errors, and covers it. Tap × to take a word off the list.
The list is kept only until you close Redact. Save list saves it to a small text file of your own (one entry per line), and Import list loads such a file, so you can keep a list of your name, address and number plate and use it every time. Redact itself never stores the list.
Check and save
When you tap Check and save, Redact:
paints the covers into the full-size picture and saves a new file from those pixels alone;
opens the new file again and checks, pixel by pixel, that every cover came out (if one didn't, the picture can't be saved);
looks at the new picture again as if for the first time, and lists anything of the kinds you chose to cover that can still be found, and any of your words;
checks that the new file carries no hidden data, and lists what the original carried (where the photo was taken, the phone, the date and time).
Then look at the picture yourself, and tap Save or Share. Screenshots and other PNG pictures are saved as PNG (sharp text), photos as JPEG; Settings can change this. The new file gets a plain name such as redacted-1.jpg: a file's name goes with it, and camera names say when a photo was taken. Settings can keep the original name instead (with -redacted added). In the Android app, the save screen opens in the original's folder.
Your original stays as it was: the uncovered picture is still in your gallery, and in any cloud backup. Delete it there if no one should ever see it.
What Redact can't find for you
Faces mostly hidden, turned away or seen from above; very small, blurred or dark faces.
Handwriting; text at a steep angle, in fancy lettering, very small, or under glare. A clearer photo helps.
Reflections (in windows, glasses, a phone screen), screens and photos inside the picture, tattoos.
Things that give away a place or a person without any text: a view, a building, clothes, a car.
Cover these by hand with Box or Brush.
Settings
Covered straight away: the categories covered as soon as a picture is opened.
Languages of the text to read: English, French, Spanish, German and Thai. Numbers, emails and web addresses are found in any of them; names in your words need the right language. Each extra language makes reading slower.
Save as: the same kind as the original, PNG or JPEG.
Names of saved pictures: plain (redacted-1.jpg, the default) or the original name with -redacted added.
Remember these settings on this device: without it, settings last until you close Redact.
Privacy
Nothing leaves your device. The page's security policy blocks every connection, so it can't send anything anywhere, and the Android app has no internet permission.
Opening the web app is an ordinary website visit: the server sees your connection, as for any website. The pictures you open are never sent.
Everything Redact needs (the detectors, the text reader and its languages) is built into the page: nothing is downloaded while you use it.
Pictures exist only while Redact is open. The only things kept on your device are your settings, if you ask, and a count of pictures saved (for an occasional donation request).
Pictures, their text and your words are kept from your browser's translator, so translation never sends them anywhere.
Questions
Write to hello@anonacondacodelab.com. A description or a screenshot of the app is usually enough; please don't send the pictures you were covering.