https://www.thefreeaitools.com/tools/image-studio https://www.thefreeaitools.com/images/image.webp Image Studio — Free Online Tool Image Studio: All-in-one browser image studio: batch JPEG/PNG/WebP compression, format conversion, aspect-ratio crop & resize, filters, watermarks, EXIF/GPS scrubbing, and .ico favicon packs. https://www.thefreeaitools.com/tools/svg-studio https://www.thefreeaitools.com/images/image.webp SVG & Vector Icon Studio — Free Online Tool SVG & Vector Icon Studio: Edit SVG markup, viewBox, and stroke/fill colors live, optimize and minify vector paths, convert SVG to React TSX/JSX or CSS Data URIs, and export high-DPI PNG/WebP. https://www.thefreeaitools.com/tools/qr-barcode-studio https://www.thefreeaitools.com/images/image.webp QR Code & Barcode Studio — Free Online Tool QR Code & Barcode Studio: Generate vector SVG/PNG QR codes (URL, Wi-Fi, vCard, Email, SMS with logos), scan QR images locally via jsQR, and render Code 128, EAN-13, UPC-A, and Code 39 barcodes. https://www.thefreeaitools.com/tools/audio-studio https://www.thefreeaitools.com/images/audio.webp Audio & Waveform Studio — Free Online Tool Audio & Waveform Studio: Decode and trim audio on an interactive waveform, apply fades and peak normalization, export 16-bit PCM WAV, inspect FFT spectrum & dBFS loudness, synthesize tones/noise, and run a precision metronome. https://www.thefreeaitools.com/tools/video-media-studio https://www.thefreeaitools.com/images/audio.webp Video Frame & Media Studio — Free Online Tool Video Frame & Media Studio: Scrub local MP4/WebM videos to capture full-resolution PNG/WebP frames, build timestamped storyboard contact sheets, extract lossless WAV audio tracks, and calculate bitrates. https://www.thefreeaitools.com/tools/pdf-studio https://www.thefreeaitools.com/images/file.webp PDF Studio — Free Online Tool PDF Studio: Unified local PDF workspace: merge, split, reorder, delete, and rotate pages, stamp watermarks & page numbers, scrub metadata, render PDF ↔ PNG/JPG, and extract text to DOCX/Markdown. https://www.thefreeaitools.com/tools/archive-file-studio https://www.thefreeaitools.com/images/file.webp Archive, GZIP & Binary Studio — Free Online Tool Archive, GZIP & Binary Studio: Browse and selectively extract .zip files, create DEFLATE archives, compress/decompress .gz streams via CompressionStream, inspect hex dumps, and verify 25+ binary magic-byte headers. https://www.thefreeaitools.com/tools/data-format-studio https://www.thefreeaitools.com/images/data.webp JSON, YAML, XML & Config Studio — Free Online Tool JSON, YAML, XML & Config Studio: Validate, format, minify, sort keys, and convert across JSON, YAML 1.2, XML, and .env/INI configs, query deep paths, validate JSON Schema, and generate TypeScript/JSON-Schema types. https://www.thefreeaitools.com/tools/tabular-sql-studio https://www.thefreeaitools.com/images/data.webp CSV, TSV & SQL Data Studio — Free Online Tool CSV, TSV & SQL Data Studio: Convert RFC 4180 CSV/TSV ↔ JSON, YAML, and Markdown tables, filter/sort columns in an interactive grid, generate typed SQL CREATE/INSERT scripts, and format PostgreSQL/MySQL/SQLite queries. https://www.thefreeaitools.com/tools/chart-stats-studio https://www.thefreeaitools.com/images/data.webp Chart, Graph & Statistics Studio — Free Online Tool Chart, Graph & Statistics Studio: Render 8-type multi-series Chart.js visualizations from CSV/table data with high-DPI PNG export, plus descriptive statistics (mean, median, IQR, std dev, histogram) and linear regression. https://www.thefreeaitools.com/tools/mock-data-studio https://www.thefreeaitools.com/images/data.webp Mock Data & Fixture Studio — Free Online Tool Mock Data & Fixture Studio: Build reproducible seed-driven mock datasets with 18 realistic field types (names, emails, UUIDs, IPv4, dates, Luhn test cards, prices) and export up to 1,000 rows as JSON, CSV, SQL, or TypeScript. https://www.thefreeaitools.com/tools/code-minifier-studio https://www.thefreeaitools.com/images/developer.webp JS, CSS & HTML Code Studio — Free Online Tool JS, CSS & HTML Code Studio: Minify, mangle, or beautify JavaScript (via Terser AST), CSS, and HTML in your browser with instant raw, minified, and real GZIP byte-savings comparisons. https://www.thefreeaitools.com/tools/regex-pattern-studio https://www.thefreeaitools.com/images/developer.webp Regex & Glob Pattern Studio — Free Online Tool Regex & Glob Pattern Studio: Test ECMAScript regular expressions with live capture groups and substitutions, inspect deterministic token-by-token regex explanations, and match .gitignore/bundler glob patterns. https://www.thefreeaitools.com/tools/encoding-url-studio https://www.thefreeaitools.com/images/developer.webp Encoding, URL & Unicode Studio — Free Online Tool Encoding, URL & Unicode Studio: UTF-8 Base64 & Base64URL encoder/decoder, local file Data URI builder, interactive URL & query-param editor, HTML entity/JSON string escaper, and Unicode/Hex/Binary byte inspector. https://www.thefreeaitools.com/tools/diagram-studio https://www.thefreeaitools.com/images/developer.webp Flowchart, Sequence & ER Diagram Studio — Free Online Tool Flowchart, Sequence & ER Diagram Studio: Author deterministic Flowcharts, Sequence Diagrams, and Database Entity-Relationship (ER) schemas from clean text DSLs with live SVG layout and high-DPI PNG/SVG export. https://www.thefreeaitools.com/tools/cron-time-studio https://www.thefreeaitools.com/images/developer.webp Cron, Timestamp & Timezone Studio — Free Online Tool Cron, Timestamp & Timezone Studio: Translate 5-field cron schedules into plain English with next 10 IANA runs, convert Unix epoch (s/ms/μs) ↔ ISO 8601, compare global timezone overlaps, and compute business-day deltas. https://www.thefreeaitools.com/tools/password-keygen-studio https://www.thefreeaitools.com/images/security.webp Password, Passphrase & Keygen Studio — Free Online Tool Password, Passphrase & Keygen Studio: Generate unbiased Web Crypto CSPRNG passwords, Diceware passphrases, UUID v4/v7, sortable ULIDs, NanoIDs, and 256-bit API secrets, plus audit password bit-entropy and crack time. https://www.thefreeaitools.com/tools/crypto-cipher-studio https://www.thefreeaitools.com/images/security.webp Hash, Bcrypt, AES & Keypair Studio — Free Online Tool Hash, Bcrypt, AES & Keypair Studio: Compute MD5/SHA-1/256/384/512 text & file checksums, sign HMACs, benchmark & verify bcrypt hashes, encrypt with PBKDF2 AES-256-GCM, and generate RSA-OAEP/ECDSA PEM & JWK keypairs. https://www.thefreeaitools.com/tools/jwt-auth-studio https://www.thefreeaitools.com/images/security.webp JWT, OAuth PKCE & TOTP Auth Studio — Free Online Tool JWT, OAuth PKCE & TOTP Auth Studio: Decode JWT headers & OIDC claims locally, verify and mint HS256/384/512 tokens via Web Crypto, generate OAuth 2.0 PKCE S256 challenges, and test RFC 6238 TOTP 2FA codes. https://www.thefreeaitools.com/tools/color-studio https://www.thefreeaitools.com/images/design.webp Color, Palette & Contrast Studio — Free Online Tool Color, Palette & Contrast Studio: Convert HEX/RGB/HSL/HWB/OKLCH/CMYK, build 50–950 CSS/Tailwind scales, extract image palettes, simulate color blindness, and audit WCAG 2.1 AA/AAA + APCA contrast pairs & N×N brand matrices. https://www.thefreeaitools.com/tools/css-visual-studio https://www.thefreeaitools.com/images/design.webp CSS Gradient, Shadow & Keyframe Studio — Free Online Tool CSS Gradient, Shadow & Keyframe Studio: Craft linear/radial/conic gradients, multi-layer realistic box-shadows, backdrop-filter glassmorphism, 8-point border-radius morphs, CSS image filters, 2D/3D transforms, and @keyframes animations. https://www.thefreeaitools.com/tools/css-layout-studio https://www.thefreeaitools.com/images/design.webp CSS Grid, Flexbox & Fluid Type Studio — Free Online Tool CSS Grid, Flexbox & Fluid Type Studio: Prototype 2D CSS Grid templates with cell spans, 1D Flexbox layouts, and responsive clamp() fluid typography & modular spacing scales with clean CSS and Tailwind output. https://www.thefreeaitools.com/tools/text-analytics-studio https://www.thefreeaitools.com/images/text.webp Word Counter & Readability Studio — Free Online Tool Word Counter & Readability Studio: Measure word/character/sentence counts, reading & speaking times, 5 readability indices (Flesch, FK Grade, Gunning Fog, SMOG, Coleman-Liau), 1–3 word n-grams, and social character limits. https://www.thefreeaitools.com/tools/text-transform-studio https://www.thefreeaitools.com/images/text.webp Case, Slug & List Transform Studio — Free Online Tool Case, Slug & List Transform Studio: Convert 12 identifier/prose cases, transliterate URL slugs, sort/dedupe/wrap/regex-filter multi-line lists, normalize CRLF/smart quotes, and convert Morse/NATO/ROT13. https://www.thefreeaitools.com/tools/diff-patch-studio https://www.thefreeaitools.com/images/text.webp Text, Code & JSON Diff Studio — Free Online Tool Text, Code & JSON Diff Studio: Compare revisions with Myers line, word, or character diffing in split or unified views, compute order-independent structural JSON object diffs, and export unified .diff patches. https://www.thefreeaitools.com/tools/markdown-docs-studio https://www.thefreeaitools.com/images/text.webp Markdown, Table & HTML Studio — Free Online Tool Markdown, Table & HTML Studio: Convert GitHub Flavored Markdown ↔ DOMPurify-sanitized HTML, edit GFM tables in a visual spreadsheet builder, extract anchor TOCs, and export standalone HTML5 documents. https://www.thefreeaitools.com/tools/seo-studio https://www.thefreeaitools.com/images/seo.webp Technical SEO & Schema Studio — Free Online Tool Technical SEO & Schema Studio: Preview Google SERP pixel widths & social cards, export HTML/Next.js metadata, build 6 Schema.org JSON-LD types, simulate RFC 9309 robots.txt rules, and generate sitemaps, hreflang & UTM links. https://www.thefreeaitools.com/tools/http-api-studio https://www.thefreeaitools.com/images/seo.webp cURL, HTTP & Security Header Studio — Free Online Tool cURL, HTTP & Security Header Studio: Convert curl commands to fetch(), axios, Python requests, and Go net/http, build Content-Security-Policy (CSP) & CORS headers, generate nginx/Vercel/Next.js redirect rules, and browse HTTP status codes. https://www.thefreeaitools.com/tools/finance-studio https://www.thefreeaitools.com/images/calculator.webp Loan, Investment & ROI Finance Studio — Free Online Tool Loan, Investment & ROI Finance Studio: Model loan/mortgage amortization with extra principal payments & CSV export, project compound interest growth, compute margin vs markup/tax, and evaluate break-even, ROI, and CAGR. https://www.thefreeaitools.com/tools/engineering-unit-studio https://www.thefreeaitools.com/images/calculator.webp Engineering Unit, Length, Area, Volume & Base Studio — Free Online Tool Engineering Unit, Length, Area, Volume & Base Studio: Convert 12 precision measurement categories including Length/Distance (metric, surveying, nautical, astronomical), Area (m², are, ha, acre), Volume (US Liquid vs UK Imperial), Angle, SI/IEC storage, BigInt Base 2–36 & Ohm/dBm. https://www.thefreeaitools.com/tools/scientific-calculator-studio https://www.thefreeaitools.com/images/calculator.webp Scientific Calculator & Formula Notebook Studio — Free Online Tool Scientific Calculator & Formula Notebook Studio: Evaluate scientific expressions safely via mathjs AST parsing across Degrees, Radians, and Gradians (gon) with inverse/hyperbolic trig, logarithms, factorials, nCr/nPr, memory registers, history tape, and multi-line variable sheets. https://www.thefreeaitools.com/tools/map-measurement-studio https://www.thefreeaitools.com/images/engineering-technical.webp Interactive Map, Geodesic Measurement & Explorer Studio — Free Online Tool Interactive Map, Geodesic Measurement & Explorer Studio: Draw, edit, buffer, and measure points, polylines, land parcels, and geodesic circles on 5 basemaps with live MGRS/DMS/EPSG HUD, elevation profiles, 1-point XY/H calibration, Shapefile/KML/KMZ/GPX/GeoJSON/WKT/DXF I/O, and street-level exploration. https://www.thefreeaitools.com/tools/coordinate-converter-studio https://www.thefreeaitools.com/images/engineering-technical.webp Geographic Coordinate, UTM & EPSG Datum Studio — Free Online Tool Geographic Coordinate, UTM & EPSG Datum Studio: Transform coordinates and survey batches across 150+ EPSG CRSs, WGS84, ECEF, UTM 1–60 N/S (convergence & CSF scale factors), NATO MGRS, Plus Codes, Geohash, Web Tiles, 2D Helmert Site Calibration, Morocco Merchich, France Lambert-93, and Custom PROJ4. https://www.thefreeaitools.com/tools/gis-file-converter-studio https://www.thefreeaitools.com/images/engineering-technical.webp Shapefile, KML, KMZ, GPX, GeoJSON & DXF Converter Studio — Free Online Tool Shapefile, KML, KMZ, GPX, GeoJSON & DXF Converter Studio: Convert and merge vector datasets across Esri Shapefile (.zip/.shp+.dbf), KML, KMZ, GPX, GeoJSON, OGC WKT/EWKT, CSV/TXT, and AutoCAD DXF with EPSG reprojection, geodesic metric enrichment, Douglas-Peucker simplification, and 3D track telemetry. https://www.thefreeaitools.com/tools/cad-dxf-studio https://www.thefreeaitools.com/images/engineering-technical.webp XYZ Survey, Delaunay TIN Contours & GIS-to-DXF Studio — Free Online Tool XYZ Survey, Delaunay TIN Contours & GIS-to-DXF Studio: Convert topographic XYZ survey tables, generate Bowyer–Watson Delaunay TIN meshes, minor/major contour lines & Cut/Fill earthwork volumes, reproject Shapefile/KML/KMZ/GPX/GeoJSON to AutoCAD R12 DXF, and extract DXF to GeoJSON/CSV/XYZ. https://www.thefreeaitools.com/tools/angle-bearing-studio https://www.thefreeaitools.com/images/engineering-technical.webp Angle, COGO Resection, Traverse & Highway Curve Studio — Free Online Tool Angle, COGO Resection, Traverse & Highway Curve Studio: Convert 15 angular units (DD, DMS, Gon, Rad, NATO Mils, Quadrant Bearings), balance Bowditch polygon traverses, solve Bearing–Bearing intersections, Baseline Stakeouts & 3-Point Tienstra Resections, and compute horizontal & parabolic vertical highway curves. https://www.thefreeaitools.com/tools/qibla-azimuth-studio https://www.thefreeaitools.com/images/engineering-technical.webp Qibla Direction, Solar Ephemeris & RF Geodesic Studio — Free Online Tool Qibla Direction, Solar Ephemeris & RF Geodesic Studio: Compute verified spherical & WGS84 Vincenty Qibla bearings with great-circle map trajectory, Solar Azimuth & Sun-Shadow Qibla alignment, Daily Solar Ephemeris (Dhuhr, Asr 1×/2×, 24h Sun-Path), and 2-station geodesic midpoint, Fresnel Zone F1 & RF FSPL.