Duotone Effect
Map image brightness to a smooth two-color gradient to create bold duotone graphics. Select custom shadow and highlight colors, and adjust balance.
Open toolBrowser-based utilities
273 free tools for images, text and data. All running entirely in your browser.
273 tools No uploads No accounts
Map image brightness to a smooth two-color gradient to create bold duotone graphics. Select custom shadow and highlight colors, and adjust balance.
Open toolConvert image batches to WebP, AVIF, JPEG, PNG, GIF, or ICO. Queue-based processing shows per-file progress and exports the results as a batch ZIP.
Open toolConvert PNG, JPEG, and WebP images to progressive JPEG files. Set output quality and max width, then export a single file or a ZIP batch.
Open toolGenerate QR codes from text, URLs, or data. Customize colors, adjust error correction levels, and export as SVG or PNG.
Open toolTransform text into camelCase, snake_case, PascalCase, or kebab-case. Convert cases instantly for programming variables.
Open toolCount words, characters, sentences, and paragraphs in a text block. Analyze reading time and keyword frequency.
Open tool273 tools · 3 ways to place one
Put any tool on your own page. Readers use it where they already are, and the work still happens on their machine.
Iframe
Open a tool, use Embed in its share bar, copy the code. The frame opens with the settings you picked.
Loader script
One request, for a CMS that strips inline
<script> out of post bodies.
Pasted link
WordPress, Ghost and Discourse turn a pasted tool URL into a live embed through oEmbed.
93 steps · 24 presets
Stack image adjustments and effects in an exact order. Start from a preset or build an empty workflow, then save it or share it as a link.
27 steps · 12 presets
Run gain, EQ, reverb, and echo as one ordered signal path. Every step feeds the next, playback is live, and the whole chain renders to WAV, MP3, M4A, Ogg, or FLAC.
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