# Unblur Text > To unblur text in an image, upload it to Kenerate AI and run Real-ESRGAN, a faithful upscaler that sharpens the strokes already there. On a slightly soft test slip, every letter and digit came back right. Heavy blur stayed unreadable, and camera shake became overlapping letters. AI cannot reveal redacted or pixelated text, so check every character by eye. URL: https://kenerateai.com/unblur-text Publisher: Kenerate AI (https://kenerateai.com) Last updated: 4 November 2026 ## Key facts - Works on: Slightly soft screenshots, scans and photos - Start with: Real-ESRGAN, about 25 seconds - Soft blur test: Every letter and digit right - Heavy blur test: Still unreadable - Camera shake test: Overlapping letters, digits unreliable - Redacted or pixelated text: Can't be recovered - Upload: JPG, PNG or WEBP up to 25 MB - Watermark: None ## Steps 1. Upload the image with the blurry text — Add a JPG, PNG or WEBP up to 25 MB. This page opens the tool on Real-ESRGAN. Crop to the text first if it only fills part of the picture. 2. Run Real-ESRGAN — Press Upscale. In about 25 seconds it sharpens the strokes already in the image and returns a larger copy. 3. Check every character — Compare the result with the original at 100%, above all digits, names and codes. Download with no watermark, or retake the photo if the text is still unclear. ## In depth ### Why small digits go first Blur spreads each stroke into its neighbours. A large heading survives because its letters are far wider than the blur, while small type doesn't: the gap that separates 8 from 0, or K from 4, is only a pixel or two wide. That is what happened in our heavy blur test. The heading could still be guessed, but K7 looked like 47 and $14.60 looked like $14.68. It is also why the same blur can be fixable in a headline and hopeless in a footnote. Judge the smallest text you need, not the page as a whole. ### Machines have changed numbers before This risk isn't new to AI. In 2013, computer scientist David Kriesel found that some Xerox WorkCentre scanners were swapping digits in scanned documents, for example turning a 6 into an 8, and in one test a room size went from 21.11 m to 14.13 m [1]. Xerox traced it to JBIG2 compression at the lowest quality setting, and said small, low-quality, hard-to-read documents made it worse [2]. The scans looked clean, and that was the danger. A sharp digit feels trustworthy whether or not it is right, which is exactly the trap with AI text restoration. ### Why sharper doesn't mean truer Restoration models learn from clean images that were deliberately damaged; Real-ESRGAN, for example, was trained on synthetic blur, noise, resizing and JPEG damage [3]. There is a proven trade-off between how natural a restored image looks and how faithful it is to the original [4]. Push a model towards crisp text and it has more room to be wrong. Courts have noticed. In March 2024 a Washington State judge excluded AI-enhanced video from a triple-murder trial, saying the tool used opaque methods to show what the model thinks should be shown [5]. References: [1] Computerworld — Xerox scanners found to sometimes alter numbers (2013): https://www.computerworld.com/article/1396837/xerox-scanners-found-to-sometimes-alter-numbers.html [2] Graham Cluley — Xerox scanner flaw can mangle numbers in your documents (2013): https://grahamcluley.com/xerox-scanner-flaw-numbers/ [3] Wang et al. — Real-ESRGAN (ICCV Workshops 2021): https://arxiv.org/abs/2107.10833 [4] Blau & Michaeli — The Perception-Distortion Tradeoff (CVPR 2018): https://arxiv.org/abs/1711.06077 [5] NBC News — Washington judge blocks AI-enhanced video evidence (2024): https://www.nbcnews.com/news/us-news/washington-state-judge-blocks-use-ai-enhanced-video-evidence-rcna141932 ## FAQ Q: How do I unblur text in an image? A: Upload the image to Kenerate's upscaler with Real-ESRGAN selected (this page opens it that way) and press Upscale. In about 25 seconds you get a larger, sharper copy. Compare it with the original before you rely on it. On our slightly soft test slip, every letter and digit came back right. Q: Can AI deblur text that is completely unreadable? A: No. If you can't make out the letters, the shapes that separate them are mostly gone. On our heavily blurred slip, Real-ESRGAN returned text that was still unreadable. A generative model may give you crisp letters instead, but those letters are a guess, and a clean-looking guess is easy to mistake for the truth. Q: Can I unblur redacted, censored or pixelated text? A: No. Text that was blurred, pixelated or covered on purpose has had its information removed, and an image AI can only paint plausible letters over the gap. It can't show what was written. Don't use Kenerate to try to read other people's private or hidden text. Q: Will AI change the letters or numbers? A: It can. Real-ESRGAN changed nothing on our soft slip, but in an earlier test on smudged handwriting, Phota Enhance turned words into clean, partly different words. Similar digits are the biggest risk: on our heavy blur test, 8 and 0 looked alike, so $13.80 could be read as $13.88. Q: Which engine is best for blurry text? A: Start with Real-ESRGAN, a faithful engine that works from the pixels you already have. Use Image Upscaler when the text is clean but tiny, like a small web image of a menu. Treat Phota Enhance and creative engines such as Clarity Pro with care on text, because they redraw detail. Q: Is there a free way to unblur text? A: New accounts get free sign-up credits, which cover Real-ESRGAN runs, and downloads have no watermark. After that, credits come in one-time packs that never expire, with no subscription required. Q: Can I unblur a screenshot or a PDF? A: Screenshots work directly: upload the PNG or JPG. The tool takes JPG, PNG or WEBP, so export a PDF page as an image first. If the PDF has real text in it rather than a scan, copy the text instead, because that is exact. Q: Does the tool copy the text out of the image? A: No. It returns an image, not editable text. To copy the words, run the sharpened image through a text recognition tool such as the one built into your phone's photo app, then proofread what it gives you. Q: Can I use unblurred text as proof? A: No. Treat the result as a reading aid, not a record of what the document says. For contracts, receipts, medical notes or anything official, get the original or a fresh scan. A Washington State judge excluded AI-enhanced video from a 2024 trial for similar reasons. ## Related pages - AI image upscaler: https://kenerateai.com/ai-image-upscaler - Upscale image: https://kenerateai.com/upscale-image - AI image enhancer: https://kenerateai.com/ai-image-enhancer - Upscale image to 4K: https://kenerateai.com/upscale-image-to-4k - 8K image upscaler: https://kenerateai.com/8k-image-upscaler - Increase image resolution: https://kenerateai.com/increase-image-resolution - HD photo converter: https://kenerateai.com/hd-photo-converter - Unblur image: https://kenerateai.com/unblur-image - Sharpen image: https://kenerateai.com/sharpen-image - Unpixelate image: https://kenerateai.com/unpixelate-image - Photo restoration: https://kenerateai.com/photo-restoration - Enhance AI: https://kenerateai.com/enhance-ai - Enhance AI art: https://kenerateai.com/enhance-ai-art - Anime upscaler: https://kenerateai.com/anime-upscaler - Bulk image upscaler: https://kenerateai.com/bulk-image-upscaler - Remove glare from photo: https://kenerateai.com/remove-glare-from-photo - Restore old photos: https://kenerateai.com/how-to-restore-old-photos - Best photo restoration software: https://kenerateai.com/best-photo-restoration-software - Denoise photos: https://kenerateai.com/how-to-denoise-photos - Increase image resolution: https://kenerateai.com/how-to-increase-resolution-of-an-image - Sharpen an image in Photoshop: https://kenerateai.com/how-to-sharpen-an-image-in-photoshop - All upscaler alternatives: https://kenerateai.com/image-upscaler-alternatives - Remini alternative: https://kenerateai.com/remini-alternative - Let's Enhance alternative: https://kenerateai.com/lets-enhance-alternative - upscale.media alternative: https://kenerateai.com/upscale-media-alternative - Upscayl online: https://kenerateai.com/upscayl-online - Bigjpg alternative: https://kenerateai.com/bigjpg-alternative - VanceAI alternative: https://kenerateai.com/vanceai-alternative - waifu2x alternative: https://kenerateai.com/waifu2x-alternative - Magnific AI alternative: https://kenerateai.com/magnific-ai-alternative - Topaz Labs alternative: https://kenerateai.com/alternatives/topazlabs-alternative ## Sources - Deblurring — Wikipedia: https://en.wikipedia.org/wiki/Deblurring - Gaussian blur — Wikipedia: https://en.wikipedia.org/wiki/Gaussian_blur