Tools

Read a GIF timeline and export frames by start, end, and interval while preserving timing information for inspection or reuse.

Edit frame range, order, speed, dimensions, crop, and rotation, then control colour quantisation and dithering for the exported animation.

Reduce GIF size through frame sampling, resizing, palette size, playback speed, dithering, and lossy compression while balancing motion and quality.

Lay out GIF frames as a sprite sheet and export frame coordinates for web animation, game assets, or front-end packaging.

Combine ordered images into a PDF with page size, orientation, and margin controls for scans, receipts, assignments, and portfolios.

Generate favicon, PWA, and common app-icon sizes from one source, with safe-area and background controls plus a web app manifest.

Create BlurHash, ThumbHash, and tiny-image placeholders for a stable lightweight preview while the full image loads.

Pack small images into a sprite sheet with configurable columns and gaps, and export JSON coordinates plus CSS background positions.

Remove backgrounds locally with a fast portrait model or a finer general model, then reuse the mask with transparency, a solid colour, or another image.

Recognise Simplified Chinese, Traditional Chinese, or English text locally and export readable text plus structured JSON with confidence data.

Detect and refine page corners, correct perspective, apply colour, greyscale, or black-and-white enhancement, and optionally combine pages into a PDF.

Use local Real-ESRGAN inference to double image width and height; the verified model is cached after its first download and the page shows the current device limit.

Prepare ID photos with composition guides, cropping, sizing, optional background replacement, and file-size control; local face detection remains a suggestion for manual approval.

Check and prepare dimensions, composition, format, and file size against the China passport preset, then verify current requirements with the receiving authority.

Assist with composition, dimensions, and file checks for China identity-card photos without replacing official capture or acceptance review.

Prepare composition, dimensions, format, and file size for China’s teacher qualification exam photo upload and reduce avoidable file-validation failures.

Follow a guided preset for China civil service exam photos, covering composition, pixels, format, and file size with clear manual checks.

Check composition, dimensions, format, and size against the Hubei social security card preset, subject to the latest official collection rules.

Assist with square crop, head placement, dimensions, and file checks based on published U.S. visa photo rules; official review remains decisive.

Assist with square composition, head proportions, and output checks based on published U.S. passport photo rules, with a reminder to verify current State Department guidance.

Check browser-verifiable dimensions, format, and composition for a UK digital passport photo without claiming that the application will be accepted.

Review dimensions, composition, and file conditions against published Canadian permanent-resident photo requirements while separating automated checks from human review.

Prepare crop, composition, dimensions, and file output for a Japan visa photo preset, then confirm recency and background rules with the relevant mission.