All Free Online Tools - PDF, Image, Dev & AI Utilities
Discover over 100+ high-performance utility tools engineered for web developers, designers, students, and businesses. Process images, edit PDF documents, format code, and automate routine tasks privately inside your browser with zero latency.
Free Age Calculator - Exact Chronological Date Metric
Instantly compute biological longevity spanning years, months, and absolute days. Unlock precise birthday countdowns alongside personalized Zodiac data.
AI Article Summarizer Free Online
Paste any article, essay, or research paper and get a concise summary of key points in seconds. Built for students and researchers who need to process information fast.
Free AI Code Explainer - Python, JavaScript & Java
Paste any snippet to instantly break down logic in plain English. Supports C++, HTML, VBA plus 20+ languages - built for developers, students, and debugging.
AI Cover Letter Generator India - Free & ATS-Friendly
Generate a professional, ATS-optimized cover letter for any job role in seconds. Free for Indian job seekers - just enter your role, skills, and experience.
AI Email Writer Free Online - Professional Emails in Seconds
Write professional emails for any situation - job applications, follow-ups, client updates. Specify the tone and purpose, and get a polished draft instantly.
AI Essay Writer Free Online - All Academic Levels
Generate structured academic essays on any topic in seconds. Supports all essay types and academic levels from Class 6 through Postgraduate - 100% free for students.
Free AI Grammar Checker - Online Text & Sentence Corrector
Fix grammar, spelling, and punctuation errors instantly with our free AI text corrector. Paste your text online to check sentences, rephrase, and get corrected output in seconds.
AI Hashtag Generator - Instagram, Twitter & LinkedIn
Generate up to 50 trending hashtags for your topic, optimized for Instagram, Twitter, LinkedIn, YouTube, and TikTok. Free, instant, and no sign-up needed.
AI Paraphrasing Tool - Rewrite in 6 Tones
Rewrite any text in Standard, Formal, Casual, Creative, or Academic tone. Ideal for students who need to avoid plagiarism while keeping the original meaning intact.
Free AI Resume Builder Online - ATS-Friendly, No Payment
Create your professional CV with smart bullet-point suggestions. Pick modern templates, customize sections, and export the finished document as polished file.
AI Social Content Generator - Multi-Platform Viral Content
Generate platform-specific content for YouTube, Instagram, Twitter, and more in one click. Get tailored hooks, captions, hashtags, and image prompts for each platform.
AI Text Humanizer Free - Make AI Writing Sound Human
Transform AI-generated text into natural, human-sounding writing. Paste your ChatGPT or AI output and choose from 5 styles - the result reads like a real person wrote it.
App Icon Downloader
Extract uncompressed 1024x1024 and 512x512 master application icons and screenshots from Apple App Store and Google Play Store links.
Background Remover
Remove image backgrounds instantly using AI - no upload required. Works on people, products, and logos. Download transparent PNG files for free.
Free Barcode Generator – Create UPC, EAN-13 & Code 128
Create retail and logistics barcodes instantly. Supports EAN-13, UPC-A, Code 128, and ITF-14 with automatic check digits and Avery batch PDF export.
Base64 Encoder / Decoder – Free Online Tool
Instantly encode and decode complex Base64 architectures online natively. Specifically supports structural Unicode text, raw file parsing, and data URIs.
Free BMI Calculator - Body Mass Index Health Evaluator
Accurately compute physical ratios using metric or imperial units. Analyze WHO-compliant categories and discover healthy recommended target weight bounds.
Business Card Maker – Free Online Card Designer
Seamlessly architect stunning high-resolution business cards natively. Apply custom brand palettes and vector QR codes before exporting print-ready PDFs.
Free Calorie Calculator - Daily Energy Expenditure TDEE
Accurately formulate basal metabolic rates and exact intake targets seamlessly. Utilize clinical equations supporting fat loss or muscular growth routines.
Online Case Converter - Convert Text to Uppercase Free
Seamlessly format unoptimized strings between capital letters, camelCase, snake_case, PascalCase, robust SEO slugs, and ten programmatic capitalization rules.
Free CGPA Calculator - Academic Grade Point Average Metric
Easily compute complex semester scores across US 4.0 or international 10-point scales. Utilize predictive algorithms to evaluate percentage conversions.
Free Character Counter - Count Letters & Words Online
Accurately compute absolute length, structural phrasing, embedded bytes, and active SMS segments. Guarantee alignment perfectly with social platform rules.
Color Code Converter – HEX RGB HSL HSB CMYK Free
Flawlessly convert highly specific structural color parameters between HEX, RGB, HSL, HSB, and CMYK. Immediately audit live WCAG native contrast rules.
Advanced Color Picker & Palette Generator (From Image)
Artificially intelligently extract magnificent color palettes natively from uploaded imagery, or procedurally generate harmonious schemes for active designs.
Cron Expression Generator – Visual Cron Builder Free
Visually construct intricate backend cron job expressions utilizing interactive field mapping. Seamlessly read plain-English parameter translation blocks.
CSS Minifier & Beautifier – Free Online CSS Compressor
Dramatically minify structural CSS stylesheets for production by radically purging comments and redundant whitespace. Monitor exact byte savings live.
Free Currency Converter - Live Foreign Exchange Rates
Transmute financial amounts spanning 50+ global fiat valuations seamlessly. Powered directly by accurate FOREX endpoints reflecting real market values.
Free Date Difference Calculator - Days Interval Metric
Calculate mathematical timelines stretching across separate calendar points flawlessly. Pinpoint strict working business hours or quarterly fiscal margins.
Digital Watermark Remover - Strip AI Provenance & Hidden Marks
Strip invisible Unicode steganographic marks, C2PA provenance metadata, and AI watermarks from text, images, and video clips (Gemini, Grok, Veo) — client-side, zero blur.
Free Discount Calculator - Sale Price Savings Evaluator
Rapidly compute exact mathematical reductions across complex dual-promotions or stacked coupon codes natively to explicitly optimize checkout cart margins.
Domain Age Checker – Check Website Registration Date Online
Interrogate global RDAP and WHOIS registries natively to extract exact creation timeframe, expiration metrics, registrar ownership, and web portal longevity.
Duplicate Line Remover - Delete Repeated Rows Online
Intelligently purge redundant entries spanning massive text or dataset files natively. Rapidly execute case-sensitive comparisons and trim blank spacing.
Edit PDF Online - Free Document Text & Form Changer
Modify files instantly in your browser. Update pages, insert images, add signatures, and alter layouts without watermarks. Zero software installation needed.
Free Loan EMI Calculator - Monthly Payment Metric Tool
Project precise borrowing trajectories using our robust software. Visualize full mathematical amortization schedules instantly before exporting CSV records.
Excel & CSV to PDF Converter (Free, No Upload)
Convert Excel (.xlsx), CSV, and ODS spreadsheets entirely into professional PDFs. Flawlessly preserve merged cells and complex multi-sheet data structures.
Fancy Text Generator - Copy & Paste Stylish Fonts Online
Dynamically translate standard wording into 30+ unique Unicode symbols natively. Create eye-catching bold, cursive, and aesthetic styles for social profiles.
Favicon Generator – ICO + PNG + Manifest Free
Instantly build comprehensive favicon packages perfectly tailored for Progressive Web Apps. Generates required .ico files, iOS Touch icons, and HTML snippets.
Website Favicon & Logo Extractor
Extract complete favicon kits, Apple Touch icons, SVG logos, and OpenGraph images from any website domain.
Gemini Watermark Remover Free - Bulk Video & Image Cleaner
Erase AI sparkle stamps and logo overlays from photos or media clips online. No sign-up needed. Strip hidden C2PA provenance credentials without quality loss.
GIF Maker – Free Online GIF Creator
Create animated GIFs from a sequence of images or a short video clip. Set custom frame delay, output size, and compression - download without a watermark.
Free GST Calculator - Add & Extract Goods Services Tax
Seamlessly append or remove statutory tariffs natively. Accurately breakdown regional CGST and SGST slabs for precise multi-item corporate billing invoices.
HTML Formatter & Minifier – Beautify or Minify HTML Free
Dynamically beautify messy HTML structural blocks utilizing configured indentations, or aggressively minify production layouts natively across your DOM.
HTML to PDF Converter: Render Web Code into Documents
Instantly transform raw markup, stylesheets, and scripts online. Export print-ready printable files securely in your browser with custom page sizing.
HTTP Status Code Lookup – Complete 1xx–5xx Reference
Swiftly investigate exhaustive HTTP status algorithms navigating 1xx to 5xx tiers natively. Access meticulous developer contexts and standard resolutions.
Free Image Compressor (Unlimited & Secure Client-Side)
Compress PNG, JPG, and WebP images without losing visual quality. Runs entirely in your browser - no file size limits, no uploads, no data stored.
Image Cropper – Free Online Crop Tool
Visually crop photography featuring aspect-ratio locking, precise rotation, and rule-of-thirds grids. Enjoy seamless 100% private client-side extraction.
Image EXIF Metadata Viewer
Securely investigate deeply embedded EXIF, GPS, and IPTC camera data spanning photos. Effortlessly visualize lens parameters or GPS coordinates.
Image Resizer – Resize Images Free Online
Resize images by exact pixel dimensions, percentage, or target file size. Supports batch processing and social media presets - runs entirely in your browser.
Image to PDF Converter Online Free - Merge Photos Fast
Combine JPG, PNG, TIFF, and WebP files into a single document instantly. Compress output under 200KB - reorder pages securely within your browser, no signup.
Image Watermark Adder – Text & Logo Watermark Free
Strategically protect your photography by rendering custom text or graphical logo watermarks natively. Configure dynamic opacities and tiled security locks.
Instagram Video Downloader
Download Instagram Reels, videos, photos, and stories by link in HD 1080p. Free, fast, and no login required on web.
Free Invoice Generator: Professional Billing PDF Maker
Instantly create client receipts, tax quotes, and itemized accounts online. Export customizable business documents securely with zero charges or watermarks.
JPG to PDF Converter: Merge JPEG Photos into Documents
Quickly combine camera pictures and digital snapshots online. Export custom formatted pages securely in your browser with zero subscription charges or limits.
JavaScript Minifier – Minify JS Free Online
Aggressively minify Vanilla JavaScript algorithms for active deployment. Meticulously preserve complex regex and literal strings locally and securely.
JWT Decoder – Decode & Inspect JSON Web Tokens Free
Securely decode complex JSON Web Tokens (JWT) natively to analyze comprehensive header/payload claims. Guarantee entirely private client-side execution.
Lorem Ipsum Generator - Free Dummy Placeholder Copy
Instantly deploy massive payloads of structural Latin draft phrasing natively. Export as raw prose text, parsed HTML nodes, or standard Markdown snippets.
Markdown to HTML Converter: Transform MD Code Online
Instantly parse styled text into clean markup and web elements. Export syntax-highlighted snippets securely in your browser with zero account requirements.
Meme Generator – Free Online Meme Maker
Rapidly engineer viral memes utilizing completely customizable drag-and-drop text templates. Export pristine high-resolution graphics ready for social media.
Meta Tag Generator
Instantly generate perfectly optimized SEO meta tags, Open Graph properties, and Twitter cards natively. Visualize live Google and social media renders.
Morse Code Converter - Text to Morse Audio Generator
Cryptographically translate standard strings into dot dash signals and backwards natively. Features adjustable WPM sound playback and visual ITU structures.
Screenshot to Text – Free OCR Online
Instantly extract accurate typography natively from complex screenshots, scans, and physical documents using embedded multi-lingual Tesseract AI technology.
Online JSON Formatter, Validator & Minifier
Paste raw JSON to format, validate, or minify it in one click. Syntax errors are highlighted with clear messages - great for debugging APIs and large datasets.
PDF Compressor - Reduce Size to 200KB or 100KB Free
Shrink documents instantly within your browser - zero upload needed. Adjust DPI and quality for specific targets. Lossless text, no signup, completely private.
Merge PDF Online Free - Fast Document Combiner Tool
Combine multiple files into one single page securely in your browser. Rearrange sheets, join scanned pages - no registration, upload limits, or watermarks.
Organize PDF Pages Online - Free Document Reorder Tool
Sort and rearrange your file layouts directly in the browser at no cost. Shift, delete, or shuffle sheets securely and quickly without software installation.
PDF Page Number Adder – Free Online
Stamp customizable, perfectly rendered vector numerical sequences onto your PDFs. Adjust typography, positioning, and offsets natively with zero quality loss.
PDF Password Protector – Encrypt & Lock PDF
Fortify your documents natively with AES-128 encryption. Assign strict passwords to seamlessly block unauthorized viewing, printing, or structural editing.
PDF Splitter (Extract Pages)
Effortlessly divide expansive PDF files into isolated single pages or extract precise custom ranges directly from your browser without tedious subscriptions.
PDF to Image Converter Free - All Format Visual Extractor
Turn document pages into crisp pictures instantly. Export transparent PNGs, compact WebPs, or high-res graphic snapshots online with zero charges or watermarks.
PDF to JPG Converter: Extract High-Quality JPEG Online
Turn document pages into crisp pictures instantly. Download uncompressed photo archives securely in your browser with zero signups, payments, or watermarks.
PDF to PNG Converter: Lossless High-Resolution Visuals
Extract crisp transparent pictures from documents in seconds. Save uncompressed graphic pages locally in your browser without fees or account requirements.
PDF to WebP Converter: Next-Gen Lightweight Pictures
Transform document files into compact modern web graphics online. Reduce visual byte sizes rapidly in your browser without hidden charges, limits, or signups.
PDF to Word Converter Free Online - Editable DOCX Fast
Turn documents into formatted files that preserve layouts, fonts, and tables. No signup - runs within your browser, keeping the original structure intact.
PDF Unlock – Remove Password & Restrictions Free
Bypass strict PDF passwords and restrictive file permissions instantly. Our client-side decryption engine quickly restores access without uploading your data.
Free Percentage Calculator - 10 Math Formula Modes
Deploy ten versatile mathematical tools natively, empowering precise computing spanning relative changes, profit margins, and strict grade algorithms.
Pinterest Photo Downloader: Free HD Pin Pictures Saver
Extract master-resolution images, aesthetic graphics, and board visuals directly to your device at 4K uncompressed quality without registration or watermark.
Free Plagiarism Checker - Detect Duplicate Content Online
Execute profound client-side similarity analysis contrasting two raw passages natively using TF-IDF cosine metrics to identify copied or paraphrased writing.
PNG to PDF Converter: Combine Graphics into Clean Docs
Instantly assemble transparent pictures and vector illustrations online. Export polished digital files securely in your browser with zero cost or limits.
Best Product Finder
Compare top deals and search products across Amazon India (Amazon.in) to find the best prices, ratings, mobiles, laptops, electronics, and AI-recommended picks instantly.
Free QR Code Generator (SVG/PNG with Logo Support)
Create customizable QR codes for URLs, WiFi, contact cards, and more. Download as high-resolution SVG or PNG - add your logo and pick any color scheme.
Regex Tester – Live Regular Expression Tester Free
Rigorously test intricate Regular Expressions displaying live visual highlights, precise capture groups, and match insights spanning major JS parameters.
Robots.txt generator for LLMs – Block AI Bots
Aggressively secure proprietary website content from sophisticated AI scrapers natively. Deploy custom robots.txt to explicitly block major LLM bots.
Free Salary Calculator - Take-Home Monthly Pay Estimator
Meticulously compute net earnings compensation metrics spanning comprehensive tax regimes worldwide. Instantly analyze absolute employee wage structures online.
Free Scientific Calculator - Advanced Functions Engine
Unlock a fully interactive online mathematical utility heavily equipped with precise trigonometric operations, complex logarithms, and rapid execution.
Sitemap Generator – XML Sitemap Creator Free
Dynamically generate structural XML sitemaps featuring precise lastmod, changefreq, and priority tags natively. Export files verified for Google Search.
Spotify Cover Art Downloader
Extract uncompressed 640x640 album artwork and playlist covers from any Spotify share link.
SVG to PNG Converter – Free, No Upload
Convert mathematical SVG vectors into pristine PNG, JPEG, or WebP formats at immense scales. Guarantee perfectly pure transparent backgrounds and zero loss.
Text Diff Checker - Compare Two Files Line by Line
Analyze structural differences seamlessly between code iterations or massive documents. Extract granular row, word, and character level changes online.
Free Text Reverser - Reverse Letters & Words Online
Algorithmically invert structural characters, lines, or entirely flip prose blocks. Apply complex classical ROT13 cryptographic cipher modes natively.
Free Alphabetical Text Sorter - Organize Lists Online
Instantly order raw datasets numerically or naturally. Bulk-purge repeated entries, trim blank whitespace, and append row numbering natively in your browser.
Text to Handwriting Converter - Handwritten Notes Online
Flawlessly synthesize realistic document sheets natively utilizing diverse cursive styling, custom paper backgrounds, and authentic human ink parameters.
TikTok Cover Downloader
Extract and save high-definition video cover artwork and poster thumbnails from any TikTok video link.
Free Tip Calculator - Split Bill & Gratuity Evaluator
Efficiently divide restaurant tab totals intelligently and assign accurate service percentages. Effortlessly handle completely proportional party assignments.
Free Universal Unit Converter - Metric Imperial Engine
Dynamically translate values across 130+ physical scales natively spanning 12 profound categories from thermodynamics to strict digital storage systems.
Bulk Image Converter (JPG, PNG, WEBP - Private)
Rapidly convert graphical assets seamlessly across widespread JPG, PNG, WEBP, and BMP formats exclusively inside your incredibly secure local browser space.
URL Encoder / Decoder – Free Online Tool
Safely encode or decrypt complex URLs and query strings using standard native encodeURI and form methodologies. Ensure 100% private client-side parsing.
WebP to PDF Converter: Convert Modern Images to Docs
Instantly compile lightweight online snapshots into printable records. Merge digital files securely in your browser with zero fee barriers or watermarks.
Free Online Word Counter - Check Document Length & Metrics
Precisely analyze absolute phrasing volume, character density, and sentence structures in real-time. Uncover keyword frequencies and upload raw .docx files.
Word to PDF Converter Free Online - Fast DOC & DOCX Tool
Transform documents into portable format right from your browser. Preserves layouts, fonts, and images with zero signup or software installation required.
X Video Downloader: Save Twitter Images & Media in 4K
Extract uncompressed tweet pictures, full-resolution photos, and motion GIFs directly to local storage at maximum 1080p quality without registration or apps.
YouTube Thumbnail Downloader - 4K, HD & Shorts Free
Save video preview images at max resolution 1280×720 instantly. Grab live stream captures plus youtu.be links in one click - no login, watermark, or account.
Complete Suite of Privacy-First Productivity Tools
DevriQ Tools provides a comprehensive, unified catalog of specialized digital utilities created to streamline daily digital operations. Whether you are manipulating graphics, converting sensitive financial spreadsheets into signed PDFs, verifying complex regular expressions, or calculating compound interest metrics, our software stack delivers enterprise-grade reliability without subscription fees or data harvesting.
Compress JPG, PNG, and WebP images up to 90% without visible quality degradation. Crop photos with aspect-ratio locks, remove backgrounds with neural WASM networks, extract EXIF metadata, and batch-convert graphic formats instantly.
Merge multiple document files into organized portfolios, compress bloated PDF file sizes for email delivery, password-protect confidential records, split specific page ranges, and convert between PDF, Word, and raster image formats.
Format and validate minified JSON payloads, inspect decoded JWT authentication claims, generate cron expressions, test regular expression syntaxes, encode Base64 assets, and beautify complex HTML, CSS, and JavaScript source code.
Generate customized cover letters, draft professional executive emails, explain legacy codebase logic, polish grammar with contextual sentence correction, and humanize automated drafts for natural conversational tone.
Compute exact Goods and Services Tax (GST) allocations, structure loan repayment schedules with EMI calculators, analyze body mass index (BMI) benchmarks, calculate age spans down to the second, and project compound returns.
Construct structured robots.txt and llms.txt directives for AI search engines, generate XML sitemaps with custom change frequencies, verify live domain age, and build OpenGraph meta tags for social media reach.
Why Professionals Choose DevriQ Tools
Frequently Asked Questions
Are all tools on DevriQ completely free to use?
Yes, every tool on DevriQ is 100% free to access without subscription paywalls, watermarks, or forced registrations. You can compress images, convert documents, format code, and perform calculations without limitations.
How does DevriQ guarantee file privacy and data security?
Most utilities on DevriQ process your files entirely inside your web browser using JavaScript and WebAssembly. Your photos, PDF contracts, and proprietary code never touch our servers or third-party storage buckets.
Do I need to install any software or browser extensions?
No installation is required. DevriQ is fully cloud-native and operates directly inside any modern web browser across Windows, macOS, Linux, iOS, and Android.
Are there any file size or usage restrictions?
Because processing takes place locally on your computer hardware, you are not subject to artificial cloud bandwidth caps or daily conversion limits.
Can I use DevriQ tools for commercial and business projects?
Yes, all converted media, generated code, PDFs, and calculations created through DevriQ tools can be utilized freely for both personal and commercial operations.