Melon: Smart Photo Editor

tdson

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About this app

Melon is a complete photo editor that runs entirely on your phone. No accounts. No ads. No uploads. Your photos never leave the device — because there is no server for them to go to.

Most "free" editors are a thin wrapper around someone else's cloud. Melon does the work locally: every filter, every AI model, every export.

NON-DESTRUCTIVE EDITING
Your original photo is never overwritten. Melon stores edits as a recipe and replays them from the source every time, so you can reopen a project weeks later and still change the first thing you did.

• Full undo/redo with a visible history panel
• Layers with 16 blend modes, opacity and masks
• Paint-to-reveal masking on any layer
• Projects saved locally, renameable and duplicable

60+ FILTERS AND EFFECTS
• Adjust — brightness, contrast, saturation, exposure, temperature, tint, vibrance
• Curves, Levels and a live histogram
• Color grading — color balance, highlights/shadows, selective color, dehaze
• 3D LUT support — load your own .cube files or HALD CLUTs
• Stylise — halftone, dithering, pixelate, Kuwahara, sketch, toon, crosshatch, emboss, ASCII
• Optics — tilt-shift, bloom, chromatic aberration, glitch, CRT, kaleidoscope, lens distortion
• Blur family — Gaussian, directional, zoom, bokeh, bilateral, unsharp mask
• Auto-enhance in one tap, plus auto-levels and auto white balance
• Formula Studio — write your own color formula and bake it into a filter

AI TOOLS, ON-DEVICE
The models run locally with ONNX Runtime. Nothing is sent anywhere.

• AI cutout — remove the background automatically, then refine the cutoff and edge softness
• AI upscale — enlarge photos with a super-resolution model, tile by tile
• Spot heal — content-aware fill that paints out blemishes and unwanted objects
• Photo restore — rescue faded, low-contrast or damaged photos
• Deblur — real deconvolution, not just sharpening
• Denoise — edge-aware, so detail survives

MORE THAN AN EDITOR
• Collage — fixed grid templates, edge-to-edge stitching, and a free-form mode where you draw the borders yourself
• Document scanner with automatic edge detection and perspective correction
• Text scanner (OCR) — pull text out of any photo
• QR scanner and QR generator (text, URL, Wi-Fi, contact, email, SMS, location)
• Duplicate photo finder — perceptual hashing groups near-identical shots
• Batch processing — apply one filter to many photos, or combine them into a single PDF
• PDF tools — merge, split, rotate, watermark
• Palettes and color harmony extracted from any photo
• Gradient maker, image splitter, seam carving (content-aware resize)
• Camera with live filter preview
• EXIF ​​viewer with privacy presets

EXPORT ON YOUR TERMS
• Save at full original resolution — the preview is a proxy, the export is not
• JPEG, PNG, WebP and HEIC
• Compress to a target file size
• Strip GPS and camera metadata on the way out, or keep it — your call
• Export to PDF, or share straight to any app
• Optional hidden watermark (LSB steganography)

PRIVACY, CONCRETELY
• No account, no sign-in, no email required
• No advertising SDK, no behavioral analytics, no third-party trackers
• Network access is used for exactly one thing: downloading optional AI models, each verified by SHA-256 checksum before use
• Permissions are requested only when you use the feature that needs them
• Uninstalling removes everything — there is no copy anywhere else

BUILT FOR REAL PHONES
Melon checks what your device can actually do and hides tools that would fail or crawl on it, rather than letting them break halfway through a photo. You can see the full report — and override it — in Settings.

Available in English and Vietnamese. Light and dark themes.

What’s new

Fix crash