Tools Directory
Browse our verified directory of 187 free, browser-native file tools. Convert documents, edit PDFs, optimize images, process audio/video, encode developer payloads, and compute everyday calculations with 100% client-side privacy.
Free Image Converter
Convert images between JPG, PNG, WEBP, GIF, BMP, and HEIC instantly in your browser.
Convert PNG to JPG Free
Convert PNG graphics to compressed JPG photos for free without server uploads.
Convert JPG to PNG Free
Convert JPG photos to crisp lossless PNG format for free.
Convert PNG to WEBP Free
Convert PNG images to next-gen WEBP format for faster web page load speeds.
Convert WEBP to JPG Free
Convert WEBP web images into universally compatible JPG photos instantly.
Convert WEBP to PNG Free
Convert WEBP graphics to lossless PNG format preserving transparency.
Convert JFIF to PNG Free
Convert JFIF files to standard PNG images instantly in your browser.
Free SVG Vector Converter
Convert SVG vector graphics to PNG, JPG, or WEBP high-resolution raster images.
Free Image Compressor
Compress PNG, JPG, and WEBP images without losing visual quality.
Free JPEG & JPG Compressor
Reduce JPG photo file sizes for faster web uploads and email sharing.
Free PNG Image Compressor
Compress PNG files while keeping transparent layers crisp and clean.
Free Image Resizer
Resize image dimensions in pixels or percentages for free.
Free Image Cropper
Crop photo framing and aspect ratios instantly in your browser.
Free Image Rotator
Rotate images 90°, 180°, or 270° clockwise or counterclockwise.
Free Image Flipper
Mirror images horizontally or vertically for free.
Free Image Enlarger & Upscaler
Upscale and enlarge image resolution clean without blur in your browser.
Adjust Image Brightness & Contrast
Adjust photo brightness and contrast with real-time canvas preview and zero quality loss.
Adjust Image Saturation
Boost or mute photo colors with live interactive saturation adjustment.
Convert Image to Grayscale (Black & White)
Convert color photos into clean black and white grayscale images instantly in your browser.
Invert Image Colors
Invert image colors into photo negatives with instant client-side canvas processing.
Apply Sepia Tone Filter
Add vintage warm sepia photo tones with adjustable intensity in your browser.
Blur Image Free
Apply adjustable Gaussian blur to photos and screenshots for privacy or artistic focus.
Pixelate Image & Censor
Pixelate faces, sensitive credentials, or entire photos with crisp retro mosaic blocks.
Sharpen Image Free
Enhance edge contrast and clarity with raw 3x3 high-pass convolution kernel filtering.
Add Watermark to Image
Protect your images by stamping custom text or logo watermarks with opacity and angle controls.
Add Border to Image
Add custom frames and colored borders with rounded inner margins to your photos.
Round Image Corners Free
Round the corners of any photo and export as a clean transparent 32-bit PNG file.
Free Photo Collage Maker
Arrange multiple photos into 2x2, 3x3, or custom collage grids with custom spacing and colors.
Free Meme Generator
Create viral memes with authentic Impact font, black stroke outlines, and custom top/bottom text.
Photo to Pencil Sketch Converter
Transform portraits and landscapes into pencil sketches using color-dodge blend inversion.
Image Color Picker & Loupe Tool
Sample pixel colors from any uploaded photo and copy exact HEX, RGB, and HSL codes.
EXIF Image Metadata Viewer
Inspect camera model, GPS coordinates, shutter speed, ISO, aperture, and raw EXIF headers.
Remove EXIF Metadata & Geolocation
Strip GPS locations, device serials, and camera timestamps by re-encoding clean raw pixels.
Bulk Image Compressor Free
Compress multiple JPG, PNG, and WEBP files simultaneously and download all as a ZIP archive.
Free Video Converter
Convert video files between MP4 and WEBM formats with full client-side privacy.
Free MP4 Video Converter
Convert videos to universal MP4 format fast directly in your browser.
Convert MOV to MP4 Free
Convert QuickTime MOV videos to universal MP4 format with zero uploads.
Convert Video to MP3 Audio Free
Extract crystal-clear MP3 or WAV audio tracks from videos in your browser.
Convert MP4 to MP3 Free
Extract high quality MP3 sound from MP4 video clips in your browser.
Free Video Compressor
Compress MP4 and WEBM video files to fit messaging and upload caps.
Free Video Cropper Tool
Crop video aspect ratios and borders directly inside your browser.
Free Video Trimmer & Cutter
Cut video clips with precision boundaries and fast stream copy without quality degradation.
Mute Video Free
Strip audio tracks from MP4, MOV, and WEBM video clips with lossless stream copying.
Video Resolution Resizer
Resize video resolution to 1080p, 720p, 480p, or 360p while preserving aspect ratio.
Extract Video Frames as PNG Images
Extract high-resolution video frames at customizable intervals and export as a ZIP archive.
Video Metadata & Stream Inspector
Inspect video codecs, resolution, duration, bitrate, and audio streams with WebAssembly FFprobe.
Free Audio Converter
Convert audio tracks between MP3, WAV, OGG, and WEBM formats with 100% privacy.
Free MP3 Audio Compressor
Compress MP3 bitrates to shrink audio file size without audible distortions.
Convert WAV to MP3 Free
Encode uncompressed WAV audio to high quality MP3 format with genuine LAME MP3 encoding.
Convert MP3 to WAV Free
Decode MP3 files into standard 16-bit uncompressed PCM WAV audio files instantly.
Free Audio Trimmer & Cutter
Cut, split, and trim audio tracks with live waveform inspection and export to MP3 or WAV.
Free Audio Joiner & Track Merger
Combine and concatenate multiple audio files into a seamless single MP3 or WAV track.
Free Audio Speed & Tempo Changer
Speed up or slow down audio songs or podcast clips with pitch preservation or vinyl tape effect.
Free Audio Volume Booster & Normalizer
Amplify quiet audio files, boost volume, or normalize peaks to 0 dBFS without distortion.
Free Audio Reverser & Backmasking Tool
Reverse audio files to play backwards with sample-accurate PCM reflection.
Convert Stereo to Mono Audio Free
Downmix stereo or multi-channel audio tracks into single-channel mono to cut file size.
Audio File Inspector & Metadata Analyzer
Inspect actual PCM properties: sample rate, exact duration, channels, peak dBFS, and RMS loudness.
Free Voice Recorder & Audio Capture
Record voice or audio from microphone with real-time waveform visualizer and genuine MP3 or WAV export.
Free Audio Silence Remover
Automatically detect and trim dead air and silent pauses from podcast recordings and speech.
Convert Video to GIF Animated Free
Convert video clips (MP4, MOV, WEBM) into animated GIF images for free.
Convert MP4 to GIF Free
Turn MP4 videos into shareable animated GIFs instantly in your browser.
Convert WEBM to GIF Free
Convert WEBM screen recordings into animated GIF images for free.
Convert GIF to MP4 Video Free
Convert animated GIFs into lightweight MP4 video files saving 80% storage space.
Convert Images to Animated GIF Free
Combine multiple static images into an animated GIF slideshow for free.
Convert MOV to GIF Free
Convert QuickTime MOV files into animated GIFs for free.
Convert AVI to GIF Free
Convert AVI video clips into animated GIFs for free.
Free Animated GIF Maker
Create custom animated GIFs from images or video clips for free.
Free Animated GIF Resizer
Resize animated GIF dimensions with high-quality resampling and frame delay preservation.
GIF Frame Splitter & Deconstructor
Deconstruct animated GIFs into individual PNG frames and export as a ZIP archive.
Convert DOCX to PDF Free (Basic Formatting)
Convert Microsoft Word (.docx) files into clean PDF documents in your browser. Basic text, headings, and formatting only; without complex Word layout preservation.
Convert DOCX to HTML Free
Convert Microsoft Word (.docx) documents to clean, semantic HTML with preserved headings, lists, bold, italics, and tables.
Convert DOCX to Markdown Free
Convert Microsoft Word (.docx) documents into clean GitHub-flavored Markdown (.md) syntax directly in your browser.
Convert DOCX to Plain Text Free
Extract raw text from Microsoft Word (.docx) documents without XML markup or formatting bloat.
Convert Markdown to HTML Free
Compile Markdown (.md) documents into clean, semantic HTML elements with instant live preview and syntax styling.
Convert HTML to Markdown Free
Convert HTML web pages and markup snippets into clean Markdown format with customizable heading and bullet styles.
Convert Markdown to PDF Free
Render Markdown notes directly into clean, vector-rendered PDF documents with pagination, custom margins, and headers.
Convert CSV to Markdown Table Free
Transform CSV spreadsheets and TSV tables into clean, formatted Markdown pipe tables with column alignment.
Convert HTML to Plain Text Free
Strip HTML tags, scripts, and CSS styling to extract clean, readable plain text from web pages and emails.
Convert EPUB to Plain Text Free
Extract the chapter text of DRM-free EPUB ebooks into a single readable plain-text document.
Convert EPUB to HTML Free
Extract and assemble EPUB ebook chapters into a single readable, formatted HTML web document.
Convert JPG to PDF Free
Convert JPG photos and graphics into clean PDF document pages.
Free PDF Merger
Merge multiple PDF files into one single organized PDF document.
Free PDF Splitter
Split PDF files into individual pages or custom page ranges.
Free Flatten PDF Tool
Flatten fillable PDF forms into permanent static read-only pages.
Free PDF Page Resizer
Resize PDF page dimensions to standard A4, Letter, or custom print sizes.
Free PDF Page Rotator
Rotate individual or all pages inside a PDF document 90° or 180°.
Free PDF Page Cropper
Crop margins and extra white space off PDF document pages.
Free PDF Page Organizer
Reorder, delete, and organize PDF pages visually for free.
Extract PDF Pages Free
Select specific pages or numeric ranges and extract them into a brand new PDF document.
Remove PDF Pages Free
Delete unwanted or blank pages from your PDF document with live visual preview checkboxes.
Add Page Numbers to PDF Free
Stamp customized sequential page numbers with flexible positioning, starting offsets, and styles.
Watermark PDF Free
Stamp custom text watermarks across all pages with opacity, rotation, and color settings.
PDF Metadata Editor Free
Read and update document Title, Author, Subject, Keywords, Creator, and Producer properties.
Fill PDF Form Fields Free
Detect AcroForm inputs, type into text boxes, toggle checkboxes and dropdowns, and download.
Free PDF Tools Suite – 14 In-Browser PDF Utilities
All-in-one suite of free PDF tools: merge, split, crop, resize, rotate, watermark, organize, and fill PDF documents.
Extract ZIP & Inspect Files
Unpack and selectively extract files from ZIP archives with per-file previews and zero server uploads.
ZIP Viewer & Central Directory Inspector
Inspect ZIP internal structure, compression ratios, and CRC32 checksums from central directory headers without decompressing files.
Bulk File Zipper
Drop multiple files and entire folders to compress them into a single high-efficiency ZIP archive.
Split ZIP Archive into Fixed Parts
Slice large ZIP archives into exact multi-part chunks for email limits and FAT32 drives, and reassemble them client-side.
Convert TAR to ZIP Free
Re-pack uncompressed Unix TAR tape archives into compressed DEFLATE ZIP packages client-side.
Convert ZIP to TAR Free
Unpack a ZIP package and bundle into a standard uncompressed POSIX TAR tape archive client-side.
Extract TAR Archive Free
Unpack Unix POSIX TAR archives directly in memory with per-file previews and selective extraction.
Free File Combiner & Merger
Combine and merge multiple images or files into one consolidated file.
Free ZIP Archive Creator
Compress and bundle multiple files into a single ZIP archive in your browser.
Developer Tools & Utilities
Suite of 100% private, client-side developer utilities including JSON formatters, base64 encoders, cryptography tools, and text utilities.
JSON Formatter & Tree Viewer
Prettify and format JSON data with customizable indentation and an interactive collapsible tree viewer.
JSON Validator & Error Finder
Validate JSON syntax and report exact line and column of parsing errors with pointer highlighting.
JSON Minifier & Whitespace Compressor
Minify JSON payloads by removing excess whitespace with verified before-and-after byte count calculations.
Convert JSON to CSV
Convert arrays of JSON objects into tabular CSV format with automatic dot-notation flattening for nested objects.
Convert CSV to JSON
Parse CSV files into clean JSON objects with RFC 4180 compliance for quotes and embedded commas.
Convert JSON to XML
Transform JSON data structures into well-formed, indented XML markup with customizable root element.
Convert XML to JSON
Convert XML documents into structured JSON objects using the native browser DOM parser.
Convert JSON to YAML
Convert structured JSON payloads to clean, human-readable YAML documents with customizable indentation.
Convert YAML to JSON
Parse YAML configurations into formatted JSON with real-time syntax validation and line-number error reporting.
JSON Diff – Compare Two JSON Documents
Compare two JSON objects side by side to highlight additions, removals, and structural value modifications.
Base64 Encoder & Decoder for Text and Files
Encode text or binary files to Base64 strings and decode Base64 back to original files or UTF-8 text.
Base64 to Image Decoder
Decode Base64 and Data URI strings into downloadable PNG, JPG, WEBP, or SVG image files with live preview.
Image to Base64 Data URI Converter
Convert image files to Base64 data URIs with copy-to-clipboard for HTML img tags, CSS background URLs, or raw strings.
URL Encoder & Decoder
Encode strings into percent-encoded query components or decode URI parameters with support for RFC 3986.
HTML Entity Encoder & Decoder
Escape special characters into safe HTML entities (<, >, &, ") and unescape HTML-encoded strings.
JWT Decoder (Header & Payload Inspector)
Inspect JSON Web Token headers and payload claims with human-readable expiration dates. Client-side only; does not claim to verify signatures without secret.
SHA-256 Hash Generator for Text and Files
Calculate cryptographic SHA-256 digests for strings or dropped files using the native browser Web Crypto API.
SHA-1 Hash Generator for Text and Files
Generate 160-bit SHA-1 checksums for strings and binary files directly inside your browser via Web Crypto.
SHA-512 Hash Generator for Text and Files
Compute 512-bit secure hash algorithms for verification of text messages or binary files using Web Crypto.
MD5 Hash Generator for Text and Files
Compute 128-bit MD5 checksums for verifying file integrity or legacy hash comparisons client-side.
File Checksum Verifier & Multi-Hasher
Drop any file to compute SHA-256, SHA-1, SHA-512, and MD5 hashes simultaneously with expected checksum matching.
HTML Formatter & Beautifier
Format, indent, and prettify messy HTML markup with configurable indentation rules and tag preservation.
CSS Formatter & Beautifier
Beautify and indent CSS stylesheets for clean readability with consistent selector and declaration spacing.
CSS Minifier & Stylesheet Compressor
Minify CSS files by stripping comments, whitespace, and redundant characters with verified byte-reduction metrics.
JavaScript Formatter & Beautifier
Format and indent JavaScript and TypeScript source code cleanly with customizable brace and quote preferences.
SQL Formatter & Query Beautifier
Format complex SQL queries with keyword uppercasing and dialect support for PostgreSQL, MySQL, SQLite, and Transact-SQL.
XML Formatter & Indenter
Prettify and indent XML documents with syntax validation and customizable tag spacing.
UUID Generator v4 (Bulk & Secure)
Generate cryptographically random UUID v4 identifiers one by one or in bulk batches up to 1,000 using Web Crypto.
Cryptographic Password Generator & Entropy Calculator
Generate high-entropy random passwords using crypto.getRandomValues with character pool toggles and Shannon entropy calculations.
Random String Generator (Cryptographically Secure)
Generate secure random alphanumeric, hexadecimal, or custom character strings powered by Web Crypto.
Lorem Ipsum Placeholder Text Generator
Generate classical Latin Lorem Ipsum placeholder paragraphs, sentences, or word counts for design and typography mockups.
Regular Expression Tester & Debugger
Test and debug JavaScript regular expressions with real-time match highlighting, flag toggles, and capture group inspection.
Text Diff Checker (Line & Word Comparison)
Find differences between two text documents side-by-side or inline with granular word-level and line-level diff highlighting.
Unix Epoch Timestamp Converter & Formatter
Convert Unix epoch timestamps in seconds or milliseconds to human-readable dates across multiple timezones and vice versa.
Cron Expression Parser & Human Explainer
Translate crontab schedule expressions into clear English descriptions and preview upcoming scheduled execution dates.
Number Base Converter (Binary, Hex, Decimal, Octal)
Convert numbers seamlessly between Binary, Octal, Decimal, and Hexadecimal representations with BigInt arbitrary precision.
URL Slug Generator (Clean & SEO-Friendly)
Transform article titles and strings into clean, URL-safe slugs with customizable delimiters and accent normalization.
String Case Converter (camelCase, snake_case, PascalCase)
Convert text instantly across camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE, and Title Case.
URL Query String Parser & Builder
Parse URL parameters into an editable key-value grid or build encoded query strings with array and JSON exports.
Color Converter (HEX, RGB, HSL, HSV, CMYK)
Convert colors across HEX, RGB, HSL, HSV, and CMYK color spaces with mathematical precision and live swatch preview.
Image Color Palette Extractor (K-Means Clustering)
Extract dominant color palettes from uploaded images using HTML5 Canvas pixel sampling and K-Means color quantization.
WCAG Color Contrast Checker (AA & AAA Standards)
Verify accessibility compliance between foreground text and background colors according to WCAG 2.1 AA and AAA standards.
CSS Gradient Generator & Visual Editor
Create linear and radial CSS gradients visually with color stops, angle controls, and one-click CSS code generation.
Free QR Code Generator (Custom Colors & Center Logo)
Create customized, high-resolution QR codes for URLs, WiFi, vCards, emails, and text with custom colors and center logo.
Free QR Code Reader & Scanner
Decode and extract information from QR codes instantly. Upload an image or scan live with your webcam or mobile camera.
Free Barcode Generator (CODE128, EAN13, UPC, CODE39)
Generate commercial and industrial barcodes with customized dimensions, fonts, and colors. Download as high-res PNG or vector SVG.
Free Wi-Fi QR Code Generator
Generate scannable Wi-Fi QR codes so guests can connect instantly without entering passwords manually.
Free vCard QR Code & .VCF File Generator
Generate virtual business cards (vCard 3.0) with downloadable .vcf contact files and scannable QR codes.
Free Image to Text OCR (Extract Text from Image)
Extract text from scanned images, screenshots, and photos locally in your browser with Tesseract WebAssembly.
Free PDF OCR Tool (Extract Text from Scanned PDF)
Extract text from scanned PDF documents page by page using local PDF.js and Tesseract WebAssembly without uploading files.
Word Counter & Text Statistics Free
Accurate real-time word, character, sentence, paragraph, and reading time counter.
Remove Duplicate Lines from Text Free
Instantly deduplicate text lines with case-sensitivity and trimming options.
Sort Lines Alphabetically or Numerically Free
Sort lists of lines ascending (A-Z), descending (Z-A), by length, or randomly.
Find and Replace Text Free
Find and replace words or patterns in text with case-matching and regular expressions.
Text Repeater Free (Repeat Strings N Times)
Repeat words, phrases, or symbols multiple times with custom separators.
Reverse Text Free (Characters, Words & Lines)
Flip text backwards character-by-character, word-by-word, or reverse line order.
Remove Line Breaks & Returns Free
Strip newline characters and combine broken paragraphs into clean continuous text.
Whitespace Remover Free (Strip Extra Spaces)
Remove leading, trailing, and duplicate spaces or tabs from text cleanly.
Free In-Browser Text to Speech (TTS)
Listen to any text spoken aloud using your device’s native speech synthesis engine.
Unicode Character Map & Symbol Picker Free
Browse, search, and copy Unicode symbols, arrows, currency signs, and special characters.
Universal Unit Converter Free
Convert between metric and imperial units for length, weight, temperature, speed, area, and digital data.
Timezone Converter & World Clock Free
Compare local times across major world timezones and schedule international meetings.
Roman Numeral Converter Free
Convert Arabic numbers to Roman numerals and parse Roman numerals back to numbers.
Number to Words Converter Free
Spell out numeric amounts into formal English words and currency format for checks and invoices.
Percentage Calculator Free
Calculate percentage values, percentage increases/decreases, and fractional proportions.
Chronological Age Calculator Free
Calculate exact chronological age in years, months, days, hours, and minutes from birth date.
Date Calculator & Day Duration Free
Calculate days between two dates or add/subtract business days, weeks, and months.
Body Mass Index (BMI) Calculator Free
Calculate Body Mass Index (BMI) with metric and imperial units and healthy weight category ranges.
Loan EMI & Amortization Calculator Free
Calculate monthly loan EMI payments, total interest payable, and payoff breakdown.
Tip Calculator & Bill Splitter Free
Calculate exact gratuity tips and split restaurant checks evenly per person.
Discount & Sale Price Calculator Free
Calculate final sale prices, money saved, and stacked coupon discounts.
Aspect Ratio Calculator (16:9, 4:3, 1:1, 21:9)
Calculate proportional screen and image dimensions for video, displays, and photos.
GST / VAT Tax Calculator Free
Calculate GST inclusive and exclusive pricing, net amounts, and tax portions.
Digital Signature Pad & PNG Drawer
Draw smooth digital electronic signatures and download transparent PNGs for signing documents.
Free Invoice Generator (Download PDF)
Create professional invoices with custom line items, tax, and company branding, and export real PDFs.
Free Favicon Generator & Icon Pack Creator
Generate multi-resolution website favicons, apple-touch-icons, and manifest files in a downloadable ZIP.
Open Graph (OG) Image Generator 1200x630 Free
Design professional social preview cards for Twitter, Facebook, and LinkedIn with high-resolution export.
Placeholder Image Generator Free
Generate custom dimension placeholder mock images with custom backgrounds, text, and format options.
Random Choice Picker & Decision Maker Free
Pick random items, names, or winners from custom lists with animated selection and history.
Virtual Dice Roller Free (d4, d6, d8, d20, d100)
Roll tabletop RPG dice with quantities, modifiers, rolling animations, and cryptographically secure RNG.
Coin Flip Free (Heads or Tails Toss)
Flip a virtual coin with 3D animation, coin toss statistics, and fair cryptographic 50/50 probability.
Cryptographic Random Number Generator Free
Generate truly random numbers within custom ranges with sorting and unique options using Web Crypto.
What is Tools Directory?
This directory lists every Nexvert tool in one place — more than 180 converters, editors and utilities grouped into PDF & documents, images, audio, video, archives, compression, developer tools and everyday utilities. Search by tool name, file format or task (for example "merge", "WebP" or "SHA-256") to jump straight to what you need. Every tool runs in your browser: files are processed on your device, there is no sign-up, and results are never watermarked. Tools that use your camera (QR scanning) or microphone (voice recorder) ask for permission first.
How to use Tools Directory
- 1
Search or filter
Type a format, task or tool name, or pick a category.
- 2
Open the tool
Click a tool card to open its page.
- 3
Process your file
Add your file or input, adjust the options and download the result.
Frequently asked questions
How many tools does Nexvert have?
More than 180, covering PDF and document conversion, image editing and conversion, audio, video, archives, compression, developer utilities and calculators.
What if the conversion I need is missing?
Send a request through the Contact page. Suggestions are used to decide which tools to add next.
Can I bookmark a tool?
Yes. Every tool has its own URL, such as /pdf-merge/ or /png-to-jpg/, which you can bookmark or share.
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