Full photo editor in your browser: crop, rotate, flip, resize, tune brightness/contrast/saturation/warmth, auto-fix, annotate with text/shapes/draw/blur, HEIC input, shrink-to-target-size, metadata-strip toggle, and PNG/JPG/WebP export. Parametric undo, hold-to-compare — free, no signup, nothing uploads.
Runs on Canvas
Content reviewed October 2026 · About Toolzum
Sketch-style photos in your browser: opens with grayscale + contrast styling applied — tune, annotate, and export PNG/JPG. An honest filter look (not AI line-art), free, no signup, nothing uploads.
Instagram-ready photos in your browser: opens with a centered 4:5 portrait frame for maximum feed space, plus tune, annotate, 1:1 crop, and JPG export. Free, no signup, nothing uploads.
YouTube thumbnails in your browser: opens with a centered 16:9 frame, add bold text and shapes, tune contrast for small-size pop, export JPG. Free, no signup, nothing uploads.
Grade videos with 18 filters across Color, Artistic, Blur, and Lighting (grayscale, sepia, pixelate, gaussian blur, vignette, brightness/contrast/saturation) plus a live still-frame preview. Export MP4, WebM, or GIF — local FFmpeg work, unlimited saves.
Generate CSS filter chains — blur, brightness, contrast, grayscale, hue-rotate. Grade images without editors — local generation, free, no signup.
No — every operation runs on local canvas in your browser: crop, filters, annotations, HEIC conversion, and export. The only network use is loading the app itself; optional AI sibling tools (Background Remover, Enhancer) run on a server and say so on their pages. Exception: the optional AI Describe button sends a small downscaled preview to Gemini (1 credit, stated on the button).
Open files up to 50 MB. Working bitmaps cap at 4096px on the long edge on iPhones (16 MP canvas ceiling) and 40 megapixels everywhere else — oversized photos downscale once at open with an on-screen notice, and export matches.
Yes — crop/rotate/flip/resize/filters are parameters re-rendered from the untouched original, so undo is free. Applying a rotate/flip flattens annotations into the photo (stated in the toast) with one restorable snapshot; slider drags snapshot once per interaction.
Yes — 8 free one-tap looks (Natural, Bright, Mono, Vivid and more) plus 12 Pro looks (Film, Cinema, Vintage and more). Looks are recipes over the tune sliders, so they stay fully undoable; capability itself is never gated.
Use the Blur tool: drag over the area; low strength pixelates into blocks, high strength soft-blurs. It reads the canvas beneath, so it covers the photo and earlier annotations alike, and exports with the file.
Add Text to Photo
Add one custom text caption onto a photo with color, size (10–300px slider), and X/Y position controls, composed on fixed social-size canvases — Instagram Post 1080×1080, Reel 1080×1920, YouTube Banner 2560×1440, Twitter Header 1500×500, or Custom. Exports PNG locally in your browser on Canvas; 3 free downloads a day.
Batch Image Editor
Downscale a batch of images to one max width (default 1920px) with an optional bottom-right watermark, then download everything as a ZIP. Same max-width and watermark apply to every image — local Canvas work, 3 free images a day.
Compress Image to 50KB
Shrinks one photo to under 50 KB (51,200 bytes) for portals with strict limits — NSDL, UIDAI, UPSC, SSC, and banking uploads. Runs up to 5 auto passes locally with the browser-image-compression library; standard metadata is preserved.
HEIC to JPG
Convert HEIC images to JPG format in your browser. Photos never leave your device — processing runs locally in your browser with Canvas and WebAssembly.
Background Remover
Segments the foreground subject from an image using a neural network, producing a transparent PNG with clean edges. Handles hair, fur, and semi-transparent regions better than chroma-key or magic-wand selection. Max 50MB.
WebP to JPG
Convert WEBP images to JPG format in your browser. Photos never leave your device — processing runs locally in your browser with Canvas and WebAssembly.