Image to Text (OCR)
Extract text from images, scans, and screenshots using browser-based OCR technology.
Free image compressor online — reduce JPG, PNG, and WebP file size without losing quality. No uploads, no watermarks, instant results.
Compress photos and screenshots directly in your browser with adjustable quality controls. Reduce image file sizes by up to 90% for web, email, and app uploads — no server upload required. Supports JPG, PNG, WebP, and batch processing.
Designed for direct use without extra steps or inflated trust claims.
Drop images to compress
JPG · PNG · WebP · Batch supported · 100% private, runs in your browser
Maximum file size: 25 MB
Click to browse or drag and drop
A 40KB image is one of the most commonly required file sizes across Indian government portals — including SSC, UPSC, state board exams, college admissions, passport applications, and visa forms. Most portals enforce strict upload limits to reduce server costs, ensure fast page loads, and maintain consistency across submissions. When your file exceeds the 40KB limit, the portal typically shows an error and blocks form submission entirely. ToolVines Image Compressor reduces your image to under 40KB directly inside your web browser. There are no files sent to any server — everything happens locally, which means your passport photo, signature, or personal documents remain completely private. The compressor uses industry-standard browser APIs to intelligently lower JPEG quality, optimise PNG palettes, and strip unnecessary metadata, achieving smaller file sizes while preserving the maximum possible visual clarity. Unlike downloadable software that requires installation and technical knowledge, ToolVines works on any device with a browser — including Android phones, iPhones, Windows PCs, and Macs. There is no account to create, no subscription to pay for, and no watermark added to your output. Simply upload your image, set 40KB as your target (or use the prefilled setting on this page), and download the result instantly.
Step 1: Upload Your Image
Click the upload box or drag and drop your image (JPG, PNG, or WebP). Your image is processed locally and never leaves your device.
Step 2: Confirm 40KB Target
The target file size is already set to 40KB. You can fine-tune the target KB value using the slider if needed.
Step 3: Compare Quality
Review the side-by-side preview showing your original image and the compressed version, along with the exact resulting file size.
Step 4: Download the Result
Click "Download" to save your compressed image. It is guaranteed to be under 40KB and ready for upload.
Upload your image on this page, and the tool will automatically compress it to under 40KB using browser-based compression. You can preview the result and download it instantly.
Yes. The tool uses intelligent compression that balances quality and file size. For passport photos and documents, text and facial features remain sharp and readable.
Yes. This tool is designed specifically to meet the 40KB photo and signature requirements enforced by SSC, UPSC, state boards, and other official portals.
Yes, completely safe. Your files are processed entirely inside your browser. No images are sent to any server, stored, or viewed by anyone.
You can upload JPG, JPEG, PNG, and WebP images. The output is delivered in standard JPEG format, which is accepted by virtually all upload portals.
No. ToolVines runs entirely in your web browser on mobile phones (Android and iPhone) as well as desktop computers (Windows and Mac).
No. The output is 100% clean with no watermark, branding, or alteration to your original image content.
Yes. The tool works equally well for signature scans and photos, ensuring the signature lines remain crisp and legible against a clean background.
The tool handles large images from smartphone cameras without issues. It resizes and compresses in multiple passes to reach your target size of 40KB.
Yes, ToolVines Image Compressor is 100% free with no daily limits, registration requirements, or hidden fees.
Compare browser-based image resizing and compression features.
| Tool | Ideal Use Case | Output Format | Action |
|---|---|---|---|
| Image Compressor | Reduce file size of JPG, PNG, or WEBP images with custom quality controls. | Compressed Image | Use Compressor → |
| Image Resizer | Change width and height dimensions of images using pixels or percentages. | Resized Image | Use Resizer → |
| Image Cropper | Trim margins or select a precise aspect ratio window (e.g. 1:1, 16:9). | Cropped Image | Use Cropper → |
Engineered for high-security, client-side browser execution with zero network transmission.
Client V8 & WASM
Computed in local browser memory with zero upload lag.
0 Bytes Transmitted
No payload uploads, database logs, or external API relays.
Volatile RAM Only
Inputs automatically purged when the page or tab is closed.
Clean & Unwatermarked
Native format downloads and clipboard synchronization.
Need alternatives or related utilities? Explore more in Image Tools or view the complete tools directory.
This tool processes all inputs locally in your browser. Your files and data are never uploaded to our servers, keeping them 100% private.
How canvas resizing runs synchronously on the main thread, and how we handle batch compression without freezing user scroll frames.
Explore how modern HTML5 canvas and JavaScript APIs allow image resizing and PDF extracting to run securely inside browser sandboxes without uploading files to remote servers.