AI Image Upscaler

Choose an image or drop it here

Enlarge photos and illustrations with AI super resolution. Choose 2× for twice the width and height, or 4× for two successive rounds of enhancement.

Large images are processed in overlapping sections at their original size. Compare before and after, inspect actual pixels, and download a PNG. Your image is not uploaded to a server.

How to enlarge an image

  1. Choose a photo or illustration and select 2× or 4× enlargement.
  2. Start enlargement and wait for the progress bar to finish. You can cancel or choose another image.
  3. Move the comparison slider, inspect actual pixels and download the PNG.

Frequently asked questions

Are my images uploaded?

No. AI enhancement and export run locally in your browser. Images and results are only held on the current page, so download the result before closing or refreshing it.

What is the difference between 2× and 4×?

2× doubles the width and height. 4× runs the 2× model twice, so it uses more time and memory and may make some details look artificial. Start with 2× and compare the result.

Is this just ordinary image resizing?

No. A super-resolution model processes the image to reconstruct detail. Large images use overlapping sections rather than silently reducing the source resolution. The result may still contain invented details and cannot recover information that was never captured.

Does it work with illustrations and transparent images?

Yes. Photos and illustrations use the same enhancement model. Transparency is retained in the PNG; very thin lines, text and semi-transparent edges should be checked at actual pixel size.

How large can the image be?

There is no fixed file-size limit. The usable size depends on your browser’s canvas capacity and available memory. The tool keeps the requested dimensions or reports an error; it does not silently shrink the image. Use 2× or a smaller source if the browser runs out of memory.

Why does the first use take longer?

The first use downloads the required resources, which the browser can cache for later use. Enhancement runs on your device and larger images need more time; 4× requires substantially more processing than 2×.

Code Formatters

Format and beautify Java, Python, JavaScript, JSON, HTML and more; adjust indentation, spacing and line breaks.

More tools

Audio Editing & Effects

Trim, join or split recordings, remove silence or noise, and adjust volume, speed, pitch or channels.

More tools

Spreadsheet Tools

Open and edit CSV or Excel sheets, format tabular text, and convert CSV to Excel or SQL.

More tools

Markdown Tools

Write and preview Markdown, render Mermaid diagrams, and convert Markdown, HTML and tables between formats.

Text Tools

Compare passages, count words and keywords, sort or replace lines, and view DOCX text.

Audio Conversion & Playback

Convert between MP3, WAV, FLAC and more, play audio or raw PCM, and inspect or edit audio metadata.

JSON & Data Tools

Inspect, compare and validate JSON; test JSONPath expressions, or convert data to CSV, YAML and XML.

More tools

Speech Tools

Transcribe audio to text, generate speech from text, or record your voice in the browser.

Video Tools

Convert and compress video, trim or join clips, resize frames, and extract audio.

More tools

Video Playback & Recording

Play local or streaming video, record your screen or camera, and use your camera as an online mirror.

PDF Tools

Compress or merge PDFs, split and rearrange pages, convert pages to images, and view or compare documents.

More tools

Image Tools

Convert image formats, resize or crop photos, compress files, compare pictures, and extract text with OCR.

More tools

Image Creation

Capture and beautify screenshots, turn text into images or GIFs, draw on a whiteboard, and create word clouds or favicons.

More tools

Subtitle Tools

Edit SRT or VTT captions with a video preview, shift timing, convert formats, and manage subtitle tracks.

More tools

Archive Tools

Open ZIP, 7Z, RAR or TAR files, extract selected contents, and create new archives with optional ZIP/7Z passwords.

Encoders | Decoders

Encode and decode Base64 or Base32, escape URLs, HTML and Unicode text, and inspect JWT contents.

More tools

Number Tools

Convert number bases and values between binary, decimal and hex; turn numbers into words or text into binary.

Calculators

Work out percentages and fractions, summarize statistics, and calculate grades, discounts or aspect ratios.

More tools

Time Tools

Show an online clock, run a countdown or stopwatch, and calculate dates, ages or time-zone differences.

More tools

Network Tools

Check your IP and IPv6 connection, inspect HTTP requests or HAR files, and calculate CIDR address ranges.

Unit Conversions

Convert length, weight, temperature, data storage and other units.

Color Tools

Convert HEX, RGB and HSL values, extract colors from an image, check contrast, or test your display with solid colors.

QR Codes & Barcodes

Generate and scan QR codes or barcodes, including QR codes for links and Wi-Fi networks.

Developer & Security Tools

Generate hashes, UUIDs and passwords, test regular expressions, create URL slugs and check file permissions.

More tools

Utility Tools

Check screen resolution and refresh rate, measure with a screen ruler, test keys, or read from a teleprompter.

More tools

Games

2048, Minesweeper, Sudoku, Gomoku, Tank Battle

More tools