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Image Tools

Last updated: May 2026 · 45 tools in this category — no signup required

Browser-based image processing tools that respect your privacy. Compress images for faster websites, resize photos to exact dimensions, crop to specific aspect ratios, convert between JPG/PNG/WebP/SVG formats, and optimize images for social media. All processing happens locally — your photos never leave your device.

All Image Tools (45 Tools)

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Image Compressor

Compress images to reduce file size without losing quality

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Image Resizer

Resize images to exact dimensions or percentage

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Image to PNG Converter

Convert JPG, WebP, BMP images to PNG format

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Image to JPG Converter

Convert PNG, WebP, BMP images to JPG format

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Image Cropper

Crop images to custom dimensions with preview

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QR Code Generator

Generate QR codes for URLs, text, WiFi, phone numbers

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Screenshot to Code

Extract color palette and dimensions from screenshots

Favicon Generator

Generate favicons in multiple sizes from any image

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Meme Generator

Create memes with custom text on uploaded images or preset templates

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Image Watermark

Add custom text watermark to images with position, opacity and font controls

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Background Remover

Remove solid color backgrounds from images using color threshold detection

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Image Filters

Apply grayscale, sepia, blur, brightness, contrast and more filters to images

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Collage Maker

Create photo collages with multiple layouts, gap control and background color

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Image Rotate & Flip

Rotate images 90/180 degrees and flip horizontally or vertically

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Passport Photo Maker

Create passport, visa, Aadhaar and PAN card photos with crop guides at 300 DPI

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HEIC to JPG Converter

Convert HEIC and other image formats to JPG with quality control

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Photo to Sketch

Convert photos to pencil sketch effect with adjustable intensity

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Blur Background

Blur image background while keeping the subject sharp with rectangle selection

Photo Enhancer

Auto-enhance photos with brightness, contrast, saturation and sharpness controls

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Image to WebP Converter

Convert JPG and PNG images to WebP format for smaller file sizes

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WebP to JPG Converter

Convert WebP images to JPG format with quality control

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WebP to PNG Converter

Convert WebP images to lossless PNG format

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Instagram Grid Maker

Split images into grid pieces for seamless Instagram profile layouts

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Certificate Generator

Create beautiful certificates with customizable templates, borders and fonts

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Thumbnail Maker

Create eye-catching thumbnails for YouTube, blogs and social media

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Avatar Profile Pic Maker

Create circle or square profile pictures with borders and custom sizes

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Photo Frame Maker

Add beautiful frames to photos including Polaroid, wood, Diwali and Christmas styles

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Color Palette Extractor

Extract dominant colors from any image with HEX and RGB values

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Image to ASCII Art

Convert images to ASCII text art with adjustable width and dark/light modes

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Photo Color Changer

Replace any color in your photo with another color using eyedropper and tolerance control

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Red Eye Remover

Remove red eye from photos by clicking on affected areas

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Old Photo Restorer

Restore and enhance old photos with contrast, brightness, sharpening and de-yellowing

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Noise Reducer

Reduce noise and grain from photos using median filter with adjustable intensity

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SVG to PNG Converter

Convert SVG code or files to PNG images at custom dimensions

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Bulk Image Resizer

Resize multiple images at once by percentage or exact dimensions

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Image DPI Changer

Change image DPI for print with physical size calculations in inches and cm

Screenshot Beautifier

Add device mockup frames, backgrounds and shadows to screenshots

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Image Text Extractor (OCR)

Detect text regions in images with enhancement tools and links to free OCR services

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Image Comparison Slider

Compare two images side by side with a draggable slider, overlay and fullscreen modes

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Photo Calendar Maker

Create printable photo calendars with Indian holidays in Classic, Modern and Colorful styles

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ID Card Generator

Generate professional ID cards with photo for Corporate, School and Hospital templates at 300 DPI

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Business Card Maker

Design business cards with Minimal, Dark, Corporate and Gradient styles at 300 DPI print quality

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Pixel Art Maker

Convert photos to pixel art with adjustable block size and color palette reduction

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Image Border Adder

Add borders to images with Solid, Gradient, Double Line, Rounded and Shadow styles

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Image Format Converter

Convert images between PNG, JPG, WebP, BMP, GIF, ICO, TIFF, AVIF formats with quality control

What are Image Tools?

Image tools on SabTools.in compress, resize, crop, convert, and edit image files directly in your browser using the Canvas and WebAssembly APIs — no file is ever uploaded to a server. That architecture matters for two reasons. First, it is the only way to process private documents (Aadhaar card scans, passport photos, salary slips, medical prescriptions) without exposing them to someone else's infrastructure. Second, it is dramatically faster: a 5 MB photo compresses in under a second instead of the 15-20 seconds a typical cloud service takes after upload, processing, and re-download.

Key Features & Capabilities

Zero-upload processing

Every image stays on your device. The browser does the full pipeline — decode, transform, re-encode — using standard Web APIs. You can literally disconnect from the internet after the page loads and the tools still work.

Web Worker performance

Heavy compression runs on a background thread via OffscreenCanvas, so the UI stays responsive even on mid-range Android devices while a 20 MB photo compresses.

Indian government form presets

One-click presets for the exact dimensions and file-size caps required by UPSC, SSC, banking exam, passport, and Aadhaar application photo uploads. No guessing whether 35×45 mm is the right size — we ship the preset.

Modern format conversion

Convert to and from JPEG, PNG, WebP, and AVIF. WebP typically reduces file size by 30-40% at the same visible quality; AVIF can shave another 20-30% on top of that.

Common Use Cases

1

Submitting a government exam application

UPSC, SSC, NEET, JEE, and state PSC portals reject photos that are the wrong size or format. Use the Passport Photo Maker preset to get exactly 3.5 × 4.5 cm at 200 DPI, then the Image Compressor to push the file under the typical 20 KB cap — all without leaving your device.

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Uploading to WhatsApp Business catalog

WhatsApp Business catalog has a 5 MB product image limit. The Image Compressor trims typical 4000×3000 photos down to ~600 KB at 90% quality — small enough to upload reliably even on a 2G connection, while staying sharp on modern phone screens.

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Compressing documents for online GST / income tax filing

GSTN and the Income Tax e-filing portal accept PDFs up to 5 MB and image files up to specific per-file limits. Convert scanned receipts and invoices from PNG to JPEG at 85% quality, reducing file size by 70-80% while keeping all text legible.

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Social media content for Indian audiences

Instagram crops, Twitter banners, LinkedIn cover photos, YouTube thumbnails — each platform has a specific aspect ratio. The Social Media Image Resizer ships with every current 2026 platform preset, so you do not have to look up dimensions.

How to Choose the Right Tool

For reducing file size without visibly changing the image — use Image Compressor. For changing width and height — Image Resizer. For matching a specific aspect ratio (say, a square profile picture from a portrait) — Image Cropper. For switching file types — Image Format Converter. For batch operations — Bulk Image Resizer. Most users need two or three of these tools in sequence (compress, then resize, then convert); the related-tools section at the bottom of each page suggests the most common pairings.

Image Tools Built for India

Indian government portals, exam authorities, and banking institutions have some of the strictest image-upload requirements in the world — specific DPI, specific file size caps (often under 50 KB), specific aspect ratios, and often a choice between JPG and JPEG that differs portal to portal. Our presets encode the actual current specifications from UPSC, SSC, IBPS, NEET, JEE, PAN card applications, Aadhaar updates, and passport renewal portals. For regional bank KYC uploads, the Passport Photo Maker and Signature Scanner handle the sign-on-white-paper requirement that almost every Indian bank follows. If a Central Government or State Government portal changes its specs, we update the preset within a few weeks.

Who Uses These Image Tools?

Web developers optimizing site images, social media managers resizing posts, bloggers compressing header images, and photographers converting between formats.

Why Use Image Tools on SabTools.in?

Zero server uploads — complete privacy for personal photos. Reduce image sizes by 60-80% without visible quality loss. Supports all major formats including modern WebP.

Popular Tools in This Category

...and 37 more tools. Explore all 45 image tools above.

Frequently Asked Questions

Is it really safer than using an online image compressor?
Substantially. Cloud image compressors upload your file to their server, run processing, and send it back. During that round trip, your image exists in logs, caches, CDN edge nodes, and potentially in backups. SabTools.in never uploads anything — the file never leaves your browser tab. For sensitive documents like Aadhaar cards, PAN cards, or passport scans, that matters.
How small can I compress a photo without ruining it?
For photos intended for web use, 70-80% JPEG quality is almost indistinguishable from the original to the human eye and usually cuts file size by 60-75%. For government form uploads requiring under 20 KB, the Passport Photo Maker + 50% JPEG quality setting is the usual path. AVIF format at 60% quality can match JPEG at 80% quality but at roughly half the file size.
Why does the compressed file sometimes end up bigger?
Happens most often when you compress a PNG to JPEG with the quality slider at 95% or higher. PNG is lossless, so re-encoding at near-perfect quality introduces overhead without shedding much data. Either keep PNG (for screenshots, logos, text-heavy images) or drop JPEG quality to 80-85%.
Do the tools work offline once the page loads?
Yes, after the initial page load, all image tools work without an internet connection. Installing SabTools.in as a PWA (Progressive Web App) from your browser's 'Add to Home Screen' option makes this permanent — you get an offline-first image toolkit on your phone.
Can I batch-process multiple images at once?
The Bulk Image Resizer accepts multiple files and outputs them as a ZIP. For batch compression specifically, the Image Compressor supports drag-and-drop of up to 20 images at once; each is processed in parallel using a Web Worker so a batch of 20 completes in roughly the time one would take on the main thread.
Will my image actually stay on my device?
Yes. Every image tool uses the browser's Canvas, OffscreenCanvas, and WebAssembly APIs to decode, transform, and re-encode files entirely in your browser tab. You can verify by opening the Network tab in DevTools and watching: no upload request fires when you drop a file. It is the only architecture safe enough for Aadhaar scans, salary slips, or medical reports.
Why does WebP/AVIF compress so much smaller than JPEG?
WebP and AVIF use modern block-based prediction and entropy coding (VP8/VP9 derivatives for WebP, AV1 derivative for AVIF) that achieve 25-50% smaller files than JPEG at equivalent visible quality. AVIF in particular is excellent for photographic content. Both are now supported in every major browser including older Chrome and Firefox; use them where the destination accepts them.
Will the government-form-photo presets pass online portal verification?
Yes — the dimensions and DPI presets exactly match published specifications for UPSC, SSC, NEET, JEE, IBPS, RRB, passport, and Aadhaar enrollment. The most common rejection reason at portal upload is wrong file size (over 20 KB for many photo uploads); our presets target that ceiling specifically with quality optimised for facial-recognition acceptance.
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