Image editing

• Mosaic Pixelate, blur or black out parts of an image
• Resize Resize images by pixels or percentage
• Crop Crop an image down to any selection
• Convert Convert between PNG, JPG and WebP
• Compress Shrink image file size with a quality slider
• Watermark Add a text watermark to an image
• Image Grid Combine images into a contact-sheet grid — no upload
• Image Merge Combine photos into one — side by side, stacked, or big + 2
• Alpha Check Check PNG transparency on a checkerboard — no upload
• Tile Preview Check if a texture tiles seamlessly — no upload
• Color Palette Extract a color palette from an image — HEX / RGB, no upload
• Social Media Crop Crop to exact X / YouTube / Instagram icon, header & thumbnail sizes — no upload
• Round Crop Crop a photo into a circular avatar — transparent PNG, no upload
• Add Border Add a white / black border or Polaroid frame to a photo — no upload
• Image Splitter Split an image into an N×M grid of tiles (Instagram grid) — ZIP, no upload
• Favicon Generator Make a favicon.ico + all PNG sizes from an image — ZIP, no upload
• Pixel Art Upscaler Upscale pixel art with nearest-neighbor — crisp, no blur, no upload
• SVG to PNG Rasterize an SVG to a PNG at any pixel size — no upload
• GIF Frame Extractor Split an animated GIF into PNG frames — download as a ZIP, no upload
• Color Picker Pick HEX / RGB / HSL colors from an image with a magnifier — no upload
• DPI Changer Set a PNG/JPEG's print DPI losslessly — no resampling, no upload
• Transparent Background Make a color transparent → transparent PNG (white / green screen) — no upload
• Images to PDF Combine images into one PDF — reorder, A4 / fit, margins
• Photo Print Layout Tile photos at real print sizes onto A4 / L-size for home printing — no upload

AI · Stable Diffusion

• PNG Info View AI prompt & generation data in an image
• Batch PNG Info Extract AI generation data from many images to one CSV
• Safetensors Info Read a LoRA's trigger words & base model (header only)
• Embedding Viewer Read a Textual Inversion's trigger word, vectors & base model
• Tag Formatter Tidy booru tags: underscores, escaping, dedupe & sort
• Tag Translator Translate booru tags between English & Japanese — built-in dictionary
• CLIP Token Counter Count CLIP tokens & see the 75-token chunk breaks — no upload
• Prompt Weight Convert prompt weights: A1111 ⇄ NovelAI ⇄ (word:1.2)
• SD Resolution Aspect ratio → SDXL / SD width × height (multiple of 64)
• ComfyUI Workflow Extract the workflow JSON from a ComfyUI PNG — no upload
• Model Hash Civitai AutoV2 / SHA256 of a model — in-browser, no upload
• Prompt Matrix Expand {a|b|c} prompt templates into every combination
• Prompt Diff Compare two prompts tag-by-tag: added, removed & common
• Tag Counter Count tag frequency across caption .txt files — no upload
• Caption Editor Batch-edit caption .txt files and re-save as a zip — no upload
• Bucket Preview See which kohya / SD training bucket each image lands in — no upload
• Dataset Dedupe Find near-duplicate images in a training set via perceptual hash — no upload
• Wildcard Tester Preview __wildcard__ & {a|b|c} dynamic prompts with random samples — no upload
• PNG Metadata Add Write a prompt or comment into a PNG's tEXt — lossless, no upload
• Hires Fix Calculator Base size × upscale factor → final resolution (and back) — no upload
• LoRA Prompt Builder Stack multiple <lora:name:weight> tags + trigger words into one prompt — no upload
• Image Colors to Prompt Turn an image's dominant colors into English color words for prompts — no upload

Privacy

• Remove EXIF Check & strip GPS location from photos — no upload
• EXIF Viewer View every EXIF metadata & GPS tag in a photo (read-only) — no upload
• PDF Metadata Remover View & remove a PDF's author / title / metadata — no upload
• Office Metadata Remover View & remove author / company metadata from Word / Excel / PowerPoint — no upload
• Clean Metadata Remove AI prompt & EXIF before posting (lossless)

Developer

• JSON Formatter Format, validate & minify JSON — no upload
• Regex Tester Test regex with live match highlight, groups & replace — no upload
• QR Code Generate a QR code from text or a URL — PNG & SVG, no upload
• CSV to Markdown Convert CSV / TSV into a Markdown table — no upload
• Markdown ⇄ HTML Convert Markdown to HTML (with a table of contents) and back — no upload
• Base Converter Convert binary, octal, decimal & hex — with a bit view, no upload
• Barcode Generator Generate EAN-13/JAN, EAN-8, UPC-A & Code 128 barcodes — PNG & SVG, no upload

Writing & academic

• Citation Formatter Format references in APA, MLA & SIST 02 — no upload
• GPA Calculator Calculate GPA from grades & credits — multiple scales, no upload
• Character Counter Count characters, words, lines & manuscript sheets — no upload
• Furigana Add furigana (ruby readings) to Japanese kanji text — no upload
• Hyoki-yure Checker Find & unify inconsistent Japanese spellings (okurigana, kana, katakana) — no upload
• Genko Preview Flow text into 400-square Japanese manuscript paper & save as PNG — no upload
• Kana Converter Hiragana ⇄ katakana, half-width ⇄ full-width — 5 conversions at once, no upload
• Rōmaji Converter Kana ⇄ rōmaji (Hepburn & Kunrei) — both spellings at once, no upload
• LaTeX Equation Preview Render LaTeX math with KaTeX and save it as a PNG image — no upload
• Function Graph Plotter Plot y=f(x) (multiple functions) and save the graph as a PNG — no upload
• Truth Table Generator Build a truth table from any logic expression — classify & compare, no upload

Daily life · Japan

• ID Photo Passport / visa / resume photo + print sheet — no upload
• Resale Profit Marketplace profit: fees, shipping, margin & break-even
• Hanko Maker Japanese name seal → transparent PNG, no upload
• Wareki Japanese era ⇄ year, age & business-day calculator
• Recipe Scaler Rescale recipe ingredients by servings — no upload
• Cooking Units Cups ⇄ ml ⇄ grams by ingredient density — no upload
• Nengajo Layout Lay out a New Year / mourning postcard (hagaki) for print — no upload
• Shipping Compare Find the cheapest flat-rate way to ship a parcel by size & weight (JP)
• Warikan (Bill Split) Split a bill with rounding, tiered shares, and an organizer who absorbs the remainder
• Consumption Tax Calculator Add or strip Japanese consumption tax — tax-included/excluded, 8% & 10%
• Japanese Units Converter Convert Japanese traditional units (shakkanho) and metric — tsubo, shaku, go, monme
• Time Zone Converter & World Clock See many cities' current time at once, with the difference from a base city
• Baggage Size Checker Check if a bag fits airline carry-on & checked baggage rules by size and weight
• Paper Size Chart A & B paper sizes in mm, cm, inch and pixels at any DPI — plus an mm⇄px converter
• Clothing Size Converter Convert clothing sizes between S/M/L, Japan, US, UK, EU & cm — no upload
• Shoe Size Converter Convert shoe sizes between Japan (cm), US, UK, EU & foot length — no upload
• Ring Size Converter Convert ring sizes between Japan (go), US, UK, EU & inner diameter (mm) — no upload