https://www.usefulutils.in/video-utils/audio-sync-replace https://www.usefulutils.in/previews/audio-sync-replace.png Audio Sync and Replace — replace noisy video audio with clean recording https://www.usefulutils.in/text-utils/base64 https://www.usefulutils.in/previews/base64.png Base64 Encoder Decoder — encode and decode Base64 strings https://www.usefulutils.in/text-utils/case-converter https://www.usefulutils.in/previews/case-converter.png Text Case Converter — UPPER lower Title Sentence case https://www.usefulutils.in/time-utils/countdown-timer https://www.usefulutils.in/previews/countdown-timer.png Countdown Timer — simple online countdown https://www.usefulutils.in/developer-utils/cron-generator https://www.usefulutils.in/previews/cron-generator.png Cron Expression Generator — visual cron builder https://www.usefulutils.in/developer-utils/css-border-radius https://www.usefulutils.in/previews/css-border-radius.png CSS Border Radius Generator — rounded corners with individual control https://www.usefulutils.in/developer-utils/css-box-shadow https://www.usefulutils.in/previews/css-box-shadow.png CSS Box Shadow Generator — visual shadow builder with blur spread and color https://www.usefulutils.in/developer-utils/css-gradient https://www.usefulutils.in/previews/css-gradient.png CSS Gradient Generator — create linear and radial CSS gradients https://www.usefulutils.in/json-utils/csv-converter https://www.usefulutils.in/previews/csv-converter.png CSV to JSON Converter https://www.usefulutils.in/network-utils/dns-check https://www.usefulutils.in/previews/dns-check.png DNS Resolution Check — measure domain name resolution time https://www.usefulutils.in/security-utils/email-header-analyzer https://www.usefulutils.in/previews/email-header-analyzer.png Email Header Analyzer — SPF DKIM DMARC check https://www.usefulutils.in/security-utils/hash-generator https://www.usefulutils.in/previews/hash-generator.png Hash Generator — MD5 SHA-1 SHA-256 SHA-512 https://www.usefulutils.in/security-utils/homoglyph-detector https://www.usefulutils.in/previews/homoglyph-detector.png Homoglyph Detector and Generator — find Unicode lookalike characters https://www.usefulutils.in/text-utils/html-entity-encoder https://www.usefulutils.in/previews/html-entity-encoder.png HTML Entity Encoder — convert special characters https://www.usefulutils.in/image-utils/image-compressor https://www.usefulutils.in/previews/image-compressor.png Image Compressor — reduce image file size without quality loss https://www.usefulutils.in/image-utils/image-converter https://www.usefulutils.in/previews/image-converter.png Image Format Converter — convert between PNG JPG WebP GIF SVG ICO https://www.usefulutils.in/image-utils/image-resizer https://www.usefulutils.in/previews/image-resizer.png Image Resizer — resize images to custom dimensions online https://www.usefulutils.in/pdf-utils/image-to-pdf https://www.usefulutils.in/previews/image-to-pdf.png Image to PDF — convert JPG PNG WebP images to PDF https://www.usefulutils.in/json-utils/json-formatter https://www.usefulutils.in/previews/json-formatter.png JSON XML Formatter — pretty print validate minify https://www.usefulutils.in/json-utils/json-schema-generator https://www.usefulutils.in/previews/json-schema-generator.png JSON Schema Generator — Draft-07 schema from JSON https://www.usefulutils.in/json-utils/json-to-type https://www.usefulutils.in/previews/json-to-type.png JSON to TypeScript Zod Rust Go type generator https://www.usefulutils.in/json-utils/jwt-debugger https://www.usefulutils.in/previews/jwt-debugger.png JWT Debugger — decode and inspect JSON Web Tokens https://www.usefulutils.in/network-utils/latency-test https://www.usefulutils.in/previews/latency-test.png Network Latency Test — measure browser to server round-trip time https://www.usefulutils.in/pdf-utils/merge-pdf https://www.usefulutils.in/previews/merge-pdf.png Merge PDF — combine multiple PDF files into one document https://www.usefulutils.in/offline-ai-utils/ocr https://www.usefulutils.in/previews/ocr.png OCR Text Extractor — extract text from images https://www.usefulutils.in/security-utils/password-passphrase-generator https://www.usefulutils.in/previews/password-passphrase-generator.png Password Passphrase and PIN Generator https://www.usefulutils.in/network-utils/path-quality https://www.usefulutils.in/previews/path-quality.png Path Quality Indicator — compare latency across global regions https://www.usefulutils.in/security-utils/safe-filename https://www.usefulutils.in/previews/safe-filename.png Safe Filename Generator — sanitize filenames https://www.usefulutils.in/image-utils/screenshot-redactor https://www.usefulutils.in/previews/screenshot-redactor.png Screenshot Redactor — blur pixelate or hide sensitive info https://www.usefulutils.in/image-utils/smart-crop https://www.usefulutils.in/previews/smart-crop.png Smart Crop Tool — crop images to 1:1 16:9 4:3 aspect ratios https://www.usefulutils.in/pdf-utils/split-pdf https://www.usefulutils.in/previews/split-pdf.png Split PDF — extract pages or ranges from PDF files https://www.usefulutils.in/developer-utils/sql-formatter https://www.usefulutils.in/previews/sql-formatter.png SQL Formatter — beautify messy SQL queries https://www.usefulutils.in/text-utils/text-diff https://www.usefulutils.in/previews/text-diff.png Text Diff Tool — compare two texts and highlight differences https://www.usefulutils.in/time-utils/time-difference https://www.usefulutils.in/previews/time-difference.png Time Difference Calculator — days hours minutes between dates https://www.usefulutils.in/time-utils/timezone-converter https://www.usefulutils.in/previews/timezone-converter.png Timezone Converter — compare times across world cities https://www.usefulutils.in/offline-ai-utils/transcription https://www.usefulutils.in/previews/transcription.png Speech Transcription — real-time speech to text https://www.usefulutils.in/text-utils/unicode-normalizer https://www.usefulutils.in/previews/unicode-normalizer.png Unicode Normalizer — NFC NFD normalization https://www.usefulutils.in/time-utils/unix-timestamp https://www.usefulutils.in/previews/unix-timestamp.png Unix Timestamp Converter — epoch to human readable https://www.usefulutils.in/text-utils/url-encoder https://www.usefulutils.in/previews/url-encoder.png URL Encoder Decoder — percent encode and decode URLs https://www.usefulutils.in/developer-utils/webhook-tester https://www.usefulutils.in/previews/webhook-tester.png Webhook Tester — inspect HTTP requests and JSON payloads https://www.usefulutils.in/text-utils/word-counter https://www.usefulutils.in/previews/word-counter.png Word Counter — count words characters lines paragraphs https://www.usefulutils.in/json-utils/yaml-converter https://www.usefulutils.in/previews/yaml-converter.png JSON to YAML Converter