Tous les outils d'image, dans votre navigateur.
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En bref
24 outils d'image gratuits qui s'exécutent entièrement dans votre navigateur. Conversion PNG/JPG/HEIC/WebP/AVIF, compression sans perte visible, redimensionnement pour réseaux sociaux, détourage par IA — sans upload, sans cookies de suivi.
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- · Formats ouverts, code public
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Tout se passe dans votre navigateur. Vos images ne quittent jamais votre appareil.
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Web Workers multi-thread et WASM. Un lot de 100 se termine en quelques secondes.
Gratuit pour toujours
24 outils, sans inscription, entièrement gratuits.
Outils
En savoir plusConversion de format
PNG to JPG Converter
Batch convert PNG images to high-quality JPG
Essayer maintenantJPG to PNG Converter
Convert JPG to lossless PNG
Essayer maintenantHEIC to JPG Converter
Batch convert iPhone HEIC photos to JPG
Essayer maintenantWebP Converter
Convert images to the modern WebP format
Essayer maintenantSVG to PNG Converter
Rasterize SVG vectors to PNG at any size
Essayer maintenantPDF to Image Converter
Convert each PDF page to PNG or JPG
Essayer maintenantImage to PDF Converter
Combine multiple images into a single PDF
Essayer maintenantAVIF Converter
Ultra-light images with the modern AVIF format
Essayer maintenantAVIF to JPG Converter
Convert AVIF to widely-supported JPG
Essayer maintenantBMP to JPG Converter
Shrink legacy BMP files to compact JPG
Essayer maintenant
Optimiser et compresser
Image Compressor
Shrink image files while preserving quality
Essayer maintenantImage Resizer
Resize images by pixel dimensions
Essayer maintenantEXIF / Metadata Remover
Strip GPS and camera info from images
Essayer maintenantMercari Listing Photo Prep
Convert photos to Mercari's 1080×1080 JPEG spec with EXIF/GPS stripped
Essayer maintenantInstagram Photo Prep (Feed / Portrait / Reel)
One image → Feed square, Portrait 4:5, and Reel/Story 9:16 in a single export
Essayer maintenantLinkedIn Profile Banner Prep
Resize to LinkedIn's 1584×396 spec with cover-fit, mobile-safe-area aware
Essayer maintenantYouTube Thumbnail Prep
Convert to YouTube's 1280×720 (16:9) JPEG spec, auto-kept under 2 MB
Essayer maintenantTikTok Cover Prep
Convert to TikTok's 1080×1920 (9:16) native resolution with caption-safe crop
Essayer maintenantLINE Sticker Pack Prep
Up to 40 × 370×320 transparent PNG stickers in a LINE-ready nested ZIP
Essayer maintenantRakuten Product Image Prep (AI background removal included)
Strip the background with AI and export 1200² + 700² JPEGs on flat white
Essayer maintenantDigital Résumé Photo Prep
AI bg-removal + 3 background colors + JIS (40×30 mm) and 600×450 sizes
Essayer maintenantModern Image Format Comparator (PNG / JPEG / WebP / AVIF / JXL)
Encode one image in all five modern formats in parallel — size + time side by side
Essayer maintenantFolder Batch Compress (File System Access API)
Walk a local folder, compress every image to JPEG 82%, export a ZIP that mirrors the source tree
Essayer maintenantAI Upscale (Real-ESRGAN) — 100% in-browser
ONNX Runtime Web + WebGPU 2× / 4× super-resolution
Essayer maintenant
Éditer et transformer
Image Cropper
Crop any region with click & drag
Essayer maintenantAI Background Remover
One-click subject extraction
Essayer maintenantImage Rotate / Flip
Rotate by 90° or flip horizontally / vertically
Essayer maintenantImage Combiner
Stack multiple images vertically or horizontally
Essayer maintenantAI Smart Rename — Claude Vision
Batch-rename images by subject with filesystem-safe slugs
Essayer maintenant
Générer
GIF Maker
Build an animated GIF from multiple frames
Essayer maintenantICO / Favicon Maker
Turn any image into a multi-size ICO file
Essayer maintenantQR Code Generator
Turn URLs or text into QR codes
Essayer maintenantColor Palette Extractor
Pull dominant colors from any image
Essayer maintenantnote OGP Image Generator
Title + subtitle + accent → a shareable 1200×630 OGP in seconds
Essayer maintenantImage Sequence → Video (WebCodecs MP4)
Turn stills into MP4 in-browser via WebCodecs + mp4-muxer
Essayer maintenantColor Blindness Simulator (8 CVD types)
Preview how your image looks under 8 color-vision deficiencies using Machado-2009 matrices
Essayer maintenantWCAG 2.2 Contrast Ratio Checker
Compute the relative contrast ratio between two colors and get AA / AAA verdicts
Essayer maintenantAI Alt Text — Claude Vision
Generate a single-sentence accessibility alt line in your locale
Essayer maintenant